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'''
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$Author: murco $
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$Id: JROData.py 173 2012-11-20 15:06:21Z murco $
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'''
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import copy
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import numpy
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import datetime
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from jroheaderIO import SystemHeader, RadarControllerHeader
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from schainpy import cSchain
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def getNumpyDtype(dataTypeCode):
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if dataTypeCode == 0:
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numpyDtype = numpy.dtype([('real', '<i1'), ('imag', '<i1')])
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elif dataTypeCode == 1:
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numpyDtype = numpy.dtype([('real', '<i2'), ('imag', '<i2')])
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elif dataTypeCode == 2:
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numpyDtype = numpy.dtype([('real', '<i4'), ('imag', '<i4')])
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elif dataTypeCode == 3:
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numpyDtype = numpy.dtype([('real', '<i8'), ('imag', '<i8')])
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elif dataTypeCode == 4:
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numpyDtype = numpy.dtype([('real', '<f4'), ('imag', '<f4')])
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elif dataTypeCode == 5:
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numpyDtype = numpy.dtype([('real', '<f8'), ('imag', '<f8')])
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else:
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raise ValueError, 'dataTypeCode was not defined'
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return numpyDtype
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def getDataTypeCode(numpyDtype):
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if numpyDtype == numpy.dtype([('real', '<i1'), ('imag', '<i1')]):
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datatype = 0
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elif numpyDtype == numpy.dtype([('real', '<i2'), ('imag', '<i2')]):
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datatype = 1
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elif numpyDtype == numpy.dtype([('real', '<i4'), ('imag', '<i4')]):
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datatype = 2
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elif numpyDtype == numpy.dtype([('real', '<i8'), ('imag', '<i8')]):
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datatype = 3
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elif numpyDtype == numpy.dtype([('real', '<f4'), ('imag', '<f4')]):
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datatype = 4
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elif numpyDtype == numpy.dtype([('real', '<f8'), ('imag', '<f8')]):
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datatype = 5
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else:
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datatype = None
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return datatype
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def hildebrand_sekhon(data, navg):
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"""
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This method is for the objective determination of the noise level in Doppler spectra. This
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implementation technique is based on the fact that the standard deviation of the spectral
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densities is equal to the mean spectral density for white Gaussian noise
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Inputs:
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Data : heights
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navg : numbers of averages
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Return:
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-1 : any error
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anoise : noise's level
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"""
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sortdata = numpy.sort(data, axis=None)
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# lenOfData = len(sortdata)
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# nums_min = lenOfData*0.2
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#
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# if nums_min <= 5:
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# nums_min = 5
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#
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# sump = 0.
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#
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# sumq = 0.
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#
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# j = 0
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#
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# cont = 1
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#
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# while((cont==1)and(j<lenOfData)):
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#
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# sump += sortdata[j]
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#
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# sumq += sortdata[j]**2
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#
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# if j > nums_min:
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# rtest = float(j)/(j-1) + 1.0/navg
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# if ((sumq*j) > (rtest*sump**2)):
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# j = j - 1
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# sump = sump - sortdata[j]
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# sumq = sumq - sortdata[j]**2
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# cont = 0
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#
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# j += 1
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#
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# lnoise = sump /j
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#
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# return lnoise
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return cSchain.hildebrand_sekhon(sortdata, navg)
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class Beam:
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def __init__(self):
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self.codeList = []
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self.azimuthList = []
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self.zenithList = []
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class GenericData(object):
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flagNoData = True
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def copy(self, inputObj=None):
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if inputObj == None:
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return copy.deepcopy(self)
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for key in inputObj.__dict__.keys():
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attribute = inputObj.__dict__[key]
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# If this attribute is a tuple or list
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if type(inputObj.__dict__[key]) in (tuple, list):
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self.__dict__[key] = attribute[:]
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continue
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# If this attribute is another object or instance
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if hasattr(attribute, '__dict__'):
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self.__dict__[key] = attribute.copy()
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continue
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self.__dict__[key] = inputObj.__dict__[key]
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def deepcopy(self):
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return copy.deepcopy(self)
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def isEmpty(self):
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return self.flagNoData
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class JROData(GenericData):
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# m_BasicHeader = BasicHeader()
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# m_ProcessingHeader = ProcessingHeader()
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systemHeaderObj = SystemHeader()
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radarControllerHeaderObj = RadarControllerHeader()
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# data = None
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type = None
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datatype = None # dtype but in string
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# dtype = None
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# nChannels = None
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# nHeights = None
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nProfiles = None
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heightList = None
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channelList = None
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flagDiscontinuousBlock = False
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useLocalTime = False
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utctime = None
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timeZone = None
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dstFlag = None
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errorCount = None
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blocksize = None
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# nCode = None
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#
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# nBaud = None
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#
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# code = None
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flagDecodeData = False # asumo q la data no esta decodificada
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flagDeflipData = False # asumo q la data no esta sin flip
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flagShiftFFT = False
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# ippSeconds = None
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# timeInterval = None
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nCohInt = None
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# noise = None
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windowOfFilter = 1
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# Speed of ligth
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C = 3e8
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frequency = 49.92e6
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realtime = False
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beacon_heiIndexList = None
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last_block = None
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blocknow = None
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azimuth = None
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zenith = None
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beam = Beam()
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profileIndex = None
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def getNoise(self):
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raise NotImplementedError
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def getNChannels(self):
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return len(self.channelList)
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def getChannelIndexList(self):
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return range(self.nChannels)
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def getNHeights(self):
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return len(self.heightList)
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def getHeiRange(self, extrapoints=0):
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heis = self.heightList
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# deltah = self.heightList[1] - self.heightList[0]
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#
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# heis.append(self.heightList[-1])
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return heis
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def getDeltaH(self):
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delta = self.heightList[1] - self.heightList[0]
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return delta
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def getltctime(self):
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if self.useLocalTime:
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return self.utctime - self.timeZone * 60
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return self.utctime
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def getDatatime(self):
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datatimeValue = datetime.datetime.utcfromtimestamp(self.ltctime)
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return datatimeValue
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def getTimeRange(self):
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datatime = []
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datatime.append(self.ltctime)
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datatime.append(self.ltctime + self.timeInterval + 1)
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datatime = numpy.array(datatime)
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return datatime
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def getFmaxTimeResponse(self):
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period = (10**-6) * self.getDeltaH() / (0.15)
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PRF = 1. / (period * self.nCohInt)
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fmax = PRF
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return fmax
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def getFmax(self):
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PRF = 1. / (self.ippSeconds * self.nCohInt)
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fmax = PRF
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return fmax
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def getVmax(self):
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_lambda = self.C / self.frequency
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vmax = self.getFmax() * _lambda / 2
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return vmax
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def get_ippSeconds(self):
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'''
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'''
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return self.radarControllerHeaderObj.ippSeconds
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def set_ippSeconds(self, ippSeconds):
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'''
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'''
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self.radarControllerHeaderObj.ippSeconds = ippSeconds
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return
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def get_dtype(self):
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'''
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'''
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return getNumpyDtype(self.datatype)
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def set_dtype(self, numpyDtype):
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'''
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'''
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self.datatype = getDataTypeCode(numpyDtype)
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def get_code(self):
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'''
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'''
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return self.radarControllerHeaderObj.code
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def set_code(self, code):
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'''
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'''
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self.radarControllerHeaderObj.code = code
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return
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def get_ncode(self):
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'''
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'''
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return self.radarControllerHeaderObj.nCode
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def set_ncode(self, nCode):
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'''
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'''
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self.radarControllerHeaderObj.nCode = nCode
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return
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def get_nbaud(self):
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'''
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'''
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return self.radarControllerHeaderObj.nBaud
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def set_nbaud(self, nBaud):
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'''
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'''
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self.radarControllerHeaderObj.nBaud = nBaud
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return
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nChannels = property(getNChannels, "I'm the 'nChannel' property.")
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channelIndexList = property(
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getChannelIndexList, "I'm the 'channelIndexList' property.")
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nHeights = property(getNHeights, "I'm the 'nHeights' property.")
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#noise = property(getNoise, "I'm the 'nHeights' property.")
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datatime = property(getDatatime, "I'm the 'datatime' property")
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ltctime = property(getltctime, "I'm the 'ltctime' property")
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ippSeconds = property(get_ippSeconds, set_ippSeconds)
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dtype = property(get_dtype, set_dtype)
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# timeInterval = property(getTimeInterval, "I'm the 'timeInterval' property")
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code = property(get_code, set_code)
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nCode = property(get_ncode, set_ncode)
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nBaud = property(get_nbaud, set_nbaud)
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class Voltage(JROData):
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# data es un numpy array de 2 dmensiones (canales, alturas)
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data = None
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def __init__(self):
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'''
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Constructor
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'''
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self.useLocalTime = True
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self.radarControllerHeaderObj = RadarControllerHeader()
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self.systemHeaderObj = SystemHeader()
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self.type = "Voltage"
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self.data = None
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# self.dtype = None
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# self.nChannels = 0
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# self.nHeights = 0
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self.nProfiles = None
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self.heightList = None
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self.channelList = None
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# self.channelIndexList = None
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self.flagNoData = True
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self.flagDiscontinuousBlock = False
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self.utctime = None
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self.timeZone = None
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self.dstFlag = None
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self.errorCount = None
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self.nCohInt = None
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self.blocksize = None
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self.flagDecodeData = False # asumo q la data no esta decodificada
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self.flagDeflipData = False # asumo q la data no esta sin flip
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self.flagShiftFFT = False
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self.flagDataAsBlock = False # Asumo que la data es leida perfil a perfil
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self.profileIndex = 0
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def getNoisebyHildebrand(self, channel=None):
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"""
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Determino el nivel de ruido usando el metodo Hildebrand-Sekhon
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Return:
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noiselevel
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"""
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if channel != None:
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data = self.data[channel]
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nChannels = 1
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else:
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data = self.data
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nChannels = self.nChannels
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noise = numpy.zeros(nChannels)
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power = data * numpy.conjugate(data)
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for thisChannel in range(nChannels):
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if nChannels == 1:
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daux = power[:].real
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else:
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daux = power[thisChannel, :].real
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noise[thisChannel] = hildebrand_sekhon(daux, self.nCohInt)
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return noise
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def getNoise(self, type=1, channel=None):
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if type == 1:
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noise = self.getNoisebyHildebrand(channel)
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return noise
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def getPower(self, channel=None):
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if channel != None:
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data = self.data[channel]
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else:
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data = self.data
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power = data * numpy.conjugate(data)
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powerdB = 10 * numpy.log10(power.real)
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powerdB = numpy.squeeze(powerdB)
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return powerdB
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def getTimeInterval(self):
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timeInterval = self.ippSeconds * self.nCohInt
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return timeInterval
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noise = property(getNoise, "I'm the 'nHeights' property.")
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timeInterval = property(getTimeInterval, "I'm the 'timeInterval' property")
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class Spectra(JROData):
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# data spc es un numpy array de 2 dmensiones (canales, perfiles, alturas)
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data_spc = None
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# data cspc es un numpy array de 2 dmensiones (canales, pares, alturas)
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data_cspc = None
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# data dc es un numpy array de 2 dmensiones (canales, alturas)
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data_dc = None
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# data power
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data_pwr = None
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nFFTPoints = None
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# nPairs = None
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pairsList = None
|
|
|
|
|
|
nIncohInt = None
|
|
|
|
|
|
wavelength = None # Necesario para cacular el rango de velocidad desde la frecuencia
|
|
|
|
|
|
nCohInt = None # se requiere para determinar el valor de timeInterval
|
|
|
|
|
|
ippFactor = None
|
|
|
|
|
|
profileIndex = 0
|
|
|
|
|
|
plotting = "spectra"
|
|
|
|
|
|
def __init__(self):
|
|
|
'''
|
|
|
Constructor
|
|
|
'''
|
|
|
|
|
|
self.useLocalTime = True
|
|
|
|
|
|
self.radarControllerHeaderObj = RadarControllerHeader()
|
|
|
|
|
|
self.systemHeaderObj = SystemHeader()
|
|
|
|
|
|
self.type = "Spectra"
|
|
|
|
|
|
# self.data = None
|
|
|
|
|
|
# self.dtype = None
|
|
|
|
|
|
# self.nChannels = 0
|
|
|
|
|
|
# self.nHeights = 0
|
|
|
|
|
|
self.nProfiles = None
|
|
|
|
|
|
self.heightList = None
|
|
|
|
|
|
self.channelList = None
|
|
|
|
|
|
# self.channelIndexList = None
|
|
|
|
|
|
self.pairsList = None
|
|
|
|
|
|
self.flagNoData = True
|
|
|
|
|
|
self.flagDiscontinuousBlock = False
|
|
|
|
|
|
self.utctime = None
|
|
|
|
|
|
self.nCohInt = None
|
|
|
|
|
|
self.nIncohInt = None
|
|
|
|
|
|
self.blocksize = None
|
|
|
|
|
|
self.nFFTPoints = None
|
|
|
|
|
|
self.wavelength = None
|
|
|
|
|
|
self.flagDecodeData = False # asumo q la data no esta decodificada
|
|
|
|
|
|
self.flagDeflipData = False # asumo q la data no esta sin flip
|
|
|
|
|
|
self.flagShiftFFT = False
|
|
|
|
|
|
self.ippFactor = 1
|
|
|
|
|
|
#self.noise = None
|
|
|
|
|
|
self.beacon_heiIndexList = []
|
|
|
|
|
|
self.noise_estimation = None
|
|
|
|
|
|
def getNoisebyHildebrand(self, xmin_index=None, xmax_index=None, ymin_index=None, ymax_index=None):
|
|
|
"""
|
|
|
Determino el nivel de ruido usando el metodo Hildebrand-Sekhon
|
|
|
|
|
|
Return:
|
|
|
noiselevel
|
|
|
"""
|
|
|
|
|
|
noise = numpy.zeros(self.nChannels)
|
|
|
|
|
|
for channel in range(self.nChannels):
|
|
|
daux = self.data_spc[channel,
|
|
|
xmin_index:xmax_index, ymin_index:ymax_index]
|
|
|
noise[channel] = hildebrand_sekhon(daux, self.nIncohInt)
|
|
|
|
|
|
return noise
|
|
|
|
|
|
def getNoise(self, xmin_index=None, xmax_index=None, ymin_index=None, ymax_index=None):
|
|
|
|
|
|
if self.noise_estimation is not None:
|
|
|
# this was estimated by getNoise Operation defined in jroproc_spectra.py
|
|
|
return self.noise_estimation
|
|
|
else:
|
|
|
noise = self.getNoisebyHildebrand(
|
|
|
xmin_index, xmax_index, ymin_index, ymax_index)
|
|
|
return noise
|
|
|
|
|
|
def getFreqRangeTimeResponse(self, extrapoints=0):
|
|
|
|
|
|
deltafreq = self.getFmaxTimeResponse() / (self.nFFTPoints * self.ippFactor)
|
|
|
freqrange = deltafreq * \
|
|
|
(numpy.arange(self.nFFTPoints + extrapoints) -
|
|
|
self.nFFTPoints / 2.) - deltafreq / 2
|
|
|
|
|
|
return freqrange
|
|
|
|
|
|
def getAcfRange(self, extrapoints=0):
|
|
|
|
|
|
deltafreq = 10. / (self.getFmax() / (self.nFFTPoints * self.ippFactor))
|
|
|
freqrange = deltafreq * \
|
|
|
(numpy.arange(self.nFFTPoints + extrapoints) -
|
|
|
self.nFFTPoints / 2.) - deltafreq / 2
|
|
|
|
|
|
return freqrange
|
|
|
|
|
|
def getFreqRange(self, extrapoints=0):
|
|
|
|
|
|
deltafreq = self.getFmax() / (self.nFFTPoints * self.ippFactor)
|
|
|
freqrange = deltafreq * \
|
|
|
(numpy.arange(self.nFFTPoints + extrapoints) -
|
|
|
self.nFFTPoints / 2.) - deltafreq / 2
|
|
|
|
|
|
return freqrange
|
|
|
|
|
|
def getVelRange(self, extrapoints=0):
|
|
|
|
|
|
deltav = self.getVmax() / (self.nFFTPoints * self.ippFactor)
|
|
|
velrange = deltav * (numpy.arange(self.nFFTPoints +
|
|
|
extrapoints) - self.nFFTPoints / 2.) # - deltav/2
|
|
|
|
|
|
return velrange
|
|
|
|
|
|
def getNPairs(self):
|
|
|
|
|
|
return len(self.pairsList)
|
|
|
|
|
|
def getPairsIndexList(self):
|
|
|
|
|
|
return range(self.nPairs)
|
|
|
|
|
|
def getNormFactor(self):
|
|
|
|
|
|
pwcode = 1
|
|
|
|
|
|
if self.flagDecodeData:
|
|
|
pwcode = numpy.sum(self.code[0]**2)
|
|
|
#normFactor = min(self.nFFTPoints,self.nProfiles)*self.nIncohInt*self.nCohInt*pwcode*self.windowOfFilter
|
|
|
normFactor = self.nProfiles * self.nIncohInt * \
|
|
|
self.nCohInt * pwcode * self.windowOfFilter
|
|
|
|
|
|
return normFactor
|
|
|
|
|
|
def getFlagCspc(self):
|
|
|
|
|
|
if self.data_cspc is None:
|
|
|
return True
|
|
|
|
|
|
return False
|
|
|
|
|
|
def getFlagDc(self):
|
|
|
|
|
|
if self.data_dc is None:
|
|
|
return True
|
|
|
|
|
|
return False
|
|
|
|
|
|
def getTimeInterval(self):
|
|
|
|
|
|
timeInterval = self.ippSeconds * self.nCohInt * self.nIncohInt * self.nProfiles * self.ippFactor
|
|
|
|
|
|
return timeInterval
|
|
|
|
|
|
def getPower(self):
|
|
|
|
|
|
factor = self.normFactor
|
|
|
z = self.data_spc / factor
|
|
|
z = numpy.where(numpy.isfinite(z), z, numpy.NAN)
|
|
|
avg = numpy.average(z, axis=1)
|
|
|
|
|
|
return 10 * numpy.log10(avg)
|
|
|
|
|
|
def getCoherence(self, pairsList=None, phase=False):
|
|
|
|
|
|
z = []
|
|
|
if pairsList is None:
|
|
|
pairsIndexList = self.pairsIndexList
|
|
|
else:
|
|
|
pairsIndexList = []
|
|
|
for pair in pairsList:
|
|
|
if pair not in self.pairsList:
|
|
|
raise ValueError, "Pair %s is not in dataOut.pairsList" % (
|
|
|
pair)
|
|
|
pairsIndexList.append(self.pairsList.index(pair))
|
|
|
for i in range(len(pairsIndexList)):
|
|
|
pair = self.pairsList[pairsIndexList[i]]
|
|
|
ccf = numpy.average(
|
|
|
self.data_cspc[pairsIndexList[i], :, :], axis=0)
|
|
|
powa = numpy.average(self.data_spc[pair[0], :, :], axis=0)
|
|
|
powb = numpy.average(self.data_spc[pair[1], :, :], axis=0)
|
|
|
avgcoherenceComplex = ccf / numpy.sqrt(powa * powb)
|
|
|
if phase:
|
|
|
data = numpy.arctan2(avgcoherenceComplex.imag,
|
|
|
avgcoherenceComplex.real) * 180 / numpy.pi
|
|
|
else:
|
|
|
data = numpy.abs(avgcoherenceComplex)
|
|
|
|
|
|
z.append(data)
|
|
|
|
|
|
return numpy.array(z)
|
|
|
|
|
|
def setValue(self, value):
|
|
|
|
|
|
print "This property should not be initialized"
|
|
|
|
|
|
return
|
|
|
|
|
|
nPairs = property(getNPairs, setValue, "I'm the 'nPairs' property.")
|
|
|
pairsIndexList = property(
|
|
|
getPairsIndexList, setValue, "I'm the 'pairsIndexList' property.")
|
|
|
normFactor = property(getNormFactor, setValue,
|
|
|
"I'm the 'getNormFactor' property.")
|
|
|
flag_cspc = property(getFlagCspc, setValue)
|
|
|
flag_dc = property(getFlagDc, setValue)
|
|
|
noise = property(getNoise, setValue, "I'm the 'nHeights' property.")
|
|
|
timeInterval = property(getTimeInterval, setValue,
|
|
|
"I'm the 'timeInterval' property")
|
|
|
|
|
|
|
|
|
class SpectraHeis(Spectra):
|
|
|
|
|
|
data_spc = None
|
|
|
|
|
|
data_cspc = None
|
|
|
|
|
|
data_dc = None
|
|
|
|
|
|
nFFTPoints = None
|
|
|
|
|
|
# nPairs = None
|
|
|
|
|
|
pairsList = None
|
|
|
|
|
|
nCohInt = None
|
|
|
|
|
|
nIncohInt = None
|
|
|
|
|
|
def __init__(self):
|
|
|
|
|
|
self.radarControllerHeaderObj = RadarControllerHeader()
|
|
|
|
|
|
self.systemHeaderObj = SystemHeader()
|
|
|
|
|
|
self.type = "SpectraHeis"
|
|
|
|
|
|
# self.dtype = None
|
|
|
|
|
|
# self.nChannels = 0
|
|
|
|
|
|
# self.nHeights = 0
|
|
|
|
|
|
self.nProfiles = None
|
|
|
|
|
|
self.heightList = None
|
|
|
|
|
|
self.channelList = None
|
|
|
|
|
|
# self.channelIndexList = None
|
|
|
|
|
|
self.flagNoData = True
|
|
|
|
|
|
self.flagDiscontinuousBlock = False
|
|
|
|
|
|
# self.nPairs = 0
|
|
|
|
|
|
self.utctime = None
|
|
|
|
|
|
self.blocksize = None
|
|
|
|
|
|
self.profileIndex = 0
|
|
|
|
|
|
self.nCohInt = 1
|
|
|
|
|
|
self.nIncohInt = 1
|
|
|
|
|
|
def getNormFactor(self):
|
|
|
pwcode = 1
|
|
|
if self.flagDecodeData:
|
|
|
pwcode = numpy.sum(self.code[0]**2)
|
|
|
|
|
|
normFactor = self.nIncohInt * self.nCohInt * pwcode
|
|
|
|
|
|
return normFactor
|
|
|
|
|
|
def getTimeInterval(self):
|
|
|
|
|
|
timeInterval = self.ippSeconds * self.nCohInt * self.nIncohInt
|
|
|
|
|
|
return timeInterval
|
|
|
|
|
|
normFactor = property(getNormFactor, "I'm the 'getNormFactor' property.")
|
|
|
timeInterval = property(getTimeInterval, "I'm the 'timeInterval' property")
|
|
|
|
|
|
|
|
|
class Fits(JROData):
|
|
|
|
|
|
heightList = None
|
|
|
|
|
|
channelList = None
|
|
|
|
|
|
flagNoData = True
|
|
|
|
|
|
flagDiscontinuousBlock = False
|
|
|
|
|
|
useLocalTime = False
|
|
|
|
|
|
utctime = None
|
|
|
|
|
|
timeZone = None
|
|
|
|
|
|
# ippSeconds = None
|
|
|
|
|
|
# timeInterval = None
|
|
|
|
|
|
nCohInt = None
|
|
|
|
|
|
nIncohInt = None
|
|
|
|
|
|
noise = None
|
|
|
|
|
|
windowOfFilter = 1
|
|
|
|
|
|
# Speed of ligth
|
|
|
C = 3e8
|
|
|
|
|
|
frequency = 49.92e6
|
|
|
|
|
|
realtime = False
|
|
|
|
|
|
def __init__(self):
|
|
|
|
|
|
self.type = "Fits"
|
|
|
|
|
|
self.nProfiles = None
|
|
|
|
|
|
self.heightList = None
|
|
|
|
|
|
self.channelList = None
|
|
|
|
|
|
# self.channelIndexList = None
|
|
|
|
|
|
self.flagNoData = True
|
|
|
|
|
|
self.utctime = None
|
|
|
|
|
|
self.nCohInt = 1
|
|
|
|
|
|
self.nIncohInt = 1
|
|
|
|
|
|
self.useLocalTime = True
|
|
|
|
|
|
self.profileIndex = 0
|
|
|
|
|
|
# self.utctime = None
|
|
|
# self.timeZone = None
|
|
|
# self.ltctime = None
|
|
|
# self.timeInterval = None
|
|
|
# self.header = None
|
|
|
# self.data_header = None
|
|
|
# self.data = None
|
|
|
# self.datatime = None
|
|
|
# self.flagNoData = False
|
|
|
# self.expName = ''
|
|
|
# self.nChannels = None
|
|
|
# self.nSamples = None
|
|
|
# self.dataBlocksPerFile = None
|
|
|
# self.comments = ''
|
|
|
#
|
|
|
|
|
|
def getltctime(self):
|
|
|
|
|
|
if self.useLocalTime:
|
|
|
return self.utctime - self.timeZone * 60
|
|
|
|
|
|
return self.utctime
|
|
|
|
|
|
def getDatatime(self):
|
|
|
|
|
|
datatime = datetime.datetime.utcfromtimestamp(self.ltctime)
|
|
|
return datatime
|
|
|
|
|
|
def getTimeRange(self):
|
|
|
|
|
|
datatime = []
|
|
|
|
|
|
datatime.append(self.ltctime)
|
|
|
datatime.append(self.ltctime + self.timeInterval)
|
|
|
|
|
|
datatime = numpy.array(datatime)
|
|
|
|
|
|
return datatime
|
|
|
|
|
|
def getHeiRange(self):
|
|
|
|
|
|
heis = self.heightList
|
|
|
|
|
|
return heis
|
|
|
|
|
|
def getNHeights(self):
|
|
|
|
|
|
return len(self.heightList)
|
|
|
|
|
|
def getNChannels(self):
|
|
|
|
|
|
return len(self.channelList)
|
|
|
|
|
|
def getChannelIndexList(self):
|
|
|
|
|
|
return range(self.nChannels)
|
|
|
|
|
|
def getNoise(self, type=1):
|
|
|
|
|
|
#noise = numpy.zeros(self.nChannels)
|
|
|
|
|
|
if type == 1:
|
|
|
noise = self.getNoisebyHildebrand()
|
|
|
|
|
|
if type == 2:
|
|
|
noise = self.getNoisebySort()
|
|
|
|
|
|
if type == 3:
|
|
|
noise = self.getNoisebyWindow()
|
|
|
|
|
|
return noise
|
|
|
|
|
|
def getTimeInterval(self):
|
|
|
|
|
|
timeInterval = self.ippSeconds * self.nCohInt * self.nIncohInt
|
|
|
|
|
|
return timeInterval
|
|
|
|
|
|
datatime = property(getDatatime, "I'm the 'datatime' property")
|
|
|
nHeights = property(getNHeights, "I'm the 'nHeights' property.")
|
|
|
nChannels = property(getNChannels, "I'm the 'nChannel' property.")
|
|
|
channelIndexList = property(
|
|
|
getChannelIndexList, "I'm the 'channelIndexList' property.")
|
|
|
noise = property(getNoise, "I'm the 'nHeights' property.")
|
|
|
|
|
|
ltctime = property(getltctime, "I'm the 'ltctime' property")
|
|
|
timeInterval = property(getTimeInterval, "I'm the 'timeInterval' property")
|
|
|
|
|
|
|
|
|
class Correlation(JROData):
|
|
|
|
|
|
noise = None
|
|
|
|
|
|
SNR = None
|
|
|
|
|
|
#--------------------------------------------------
|
|
|
|
|
|
mode = None
|
|
|
|
|
|
split = False
|
|
|
|
|
|
data_cf = None
|
|
|
|
|
|
lags = None
|
|
|
|
|
|
lagRange = None
|
|
|
|
|
|
pairsList = None
|
|
|
|
|
|
normFactor = None
|
|
|
|
|
|
#--------------------------------------------------
|
|
|
|
|
|
# calculateVelocity = None
|
|
|
|
|
|
nLags = None
|
|
|
|
|
|
nPairs = None
|
|
|
|
|
|
nAvg = None
|
|
|
|
|
|
def __init__(self):
|
|
|
'''
|
|
|
Constructor
|
|
|
'''
|
|
|
self.radarControllerHeaderObj = RadarControllerHeader()
|
|
|
|
|
|
self.systemHeaderObj = SystemHeader()
|
|
|
|
|
|
self.type = "Correlation"
|
|
|
|
|
|
self.data = None
|
|
|
|
|
|
self.dtype = None
|
|
|
|
|
|
self.nProfiles = None
|
|
|
|
|
|
self.heightList = None
|
|
|
|
|
|
self.channelList = None
|
|
|
|
|
|
self.flagNoData = True
|
|
|
|
|
|
self.flagDiscontinuousBlock = False
|
|
|
|
|
|
self.utctime = None
|
|
|
|
|
|
self.timeZone = None
|
|
|
|
|
|
self.dstFlag = None
|
|
|
|
|
|
self.errorCount = None
|
|
|
|
|
|
self.blocksize = None
|
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self.flagDecodeData = False # asumo q la data no esta decodificada
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self.flagDeflipData = False # asumo q la data no esta sin flip
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self.pairsList = None
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self.nPoints = None
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def getPairsList(self):
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return self.pairsList
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def getNoise(self, mode=2):
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indR = numpy.where(self.lagR == 0)[0][0]
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indT = numpy.where(self.lagT == 0)[0][0]
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jspectra0 = self.data_corr[:, :, indR, :]
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jspectra = copy.copy(jspectra0)
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num_chan = jspectra.shape[0]
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num_hei = jspectra.shape[2]
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freq_dc = jspectra.shape[1] / 2
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ind_vel = numpy.array([-2, -1, 1, 2]) + freq_dc
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if ind_vel[0] < 0:
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ind_vel[range(0, 1)] = ind_vel[range(0, 1)] + self.num_prof
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if mode == 1:
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jspectra[:, freq_dc, :] = (
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jspectra[:, ind_vel[1], :] + jspectra[:, ind_vel[2], :]) / 2 # CORRECCION
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if mode == 2:
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vel = numpy.array([-2, -1, 1, 2])
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xx = numpy.zeros([4, 4])
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for fil in range(4):
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xx[fil, :] = vel[fil]**numpy.asarray(range(4))
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xx_inv = numpy.linalg.inv(xx)
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xx_aux = xx_inv[0, :]
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for ich in range(num_chan):
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yy = jspectra[ich, ind_vel, :]
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jspectra[ich, freq_dc, :] = numpy.dot(xx_aux, yy)
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junkid = jspectra[ich, freq_dc, :] <= 0
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cjunkid = sum(junkid)
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if cjunkid.any():
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jspectra[ich, freq_dc, junkid.nonzero()] = (
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jspectra[ich, ind_vel[1], junkid] + jspectra[ich, ind_vel[2], junkid]) / 2
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noise = jspectra0[:, freq_dc, :] - jspectra[:, freq_dc, :]
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return noise
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def getTimeInterval(self):
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timeInterval = self.ippSeconds * self.nCohInt * self.nProfiles
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return timeInterval
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def splitFunctions(self):
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pairsList = self.pairsList
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ccf_pairs = []
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acf_pairs = []
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ccf_ind = []
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acf_ind = []
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for l in range(len(pairsList)):
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chan0 = pairsList[l][0]
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chan1 = pairsList[l][1]
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# Obteniendo pares de Autocorrelacion
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if chan0 == chan1:
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acf_pairs.append(chan0)
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|
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acf_ind.append(l)
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else:
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ccf_pairs.append(pairsList[l])
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ccf_ind.append(l)
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data_acf = self.data_cf[acf_ind]
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|
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data_ccf = self.data_cf[ccf_ind]
|
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|
|
return acf_ind, ccf_ind, acf_pairs, ccf_pairs, data_acf, data_ccf
|
|
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|
|
def getNormFactor(self):
|
|
|
acf_ind, ccf_ind, acf_pairs, ccf_pairs, data_acf, data_ccf = self.splitFunctions()
|
|
|
acf_pairs = numpy.array(acf_pairs)
|
|
|
normFactor = numpy.zeros((self.nPairs, self.nHeights))
|
|
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|
|
|
for p in range(self.nPairs):
|
|
|
pair = self.pairsList[p]
|
|
|
|
|
|
ch0 = pair[0]
|
|
|
ch1 = pair[1]
|
|
|
|
|
|
ch0_max = numpy.max(data_acf[acf_pairs == ch0, :, :], axis=1)
|
|
|
ch1_max = numpy.max(data_acf[acf_pairs == ch1, :, :], axis=1)
|
|
|
normFactor[p, :] = numpy.sqrt(ch0_max * ch1_max)
|
|
|
|
|
|
return normFactor
|
|
|
|
|
|
timeInterval = property(getTimeInterval, "I'm the 'timeInterval' property")
|
|
|
normFactor = property(getNormFactor, "I'm the 'normFactor property'")
|
|
|
|
|
|
|
|
|
class Parameters(Spectra):
|
|
|
|
|
|
experimentInfo = None # Information about the experiment
|
|
|
|
|
|
# Information from previous data
|
|
|
|
|
|
inputUnit = None # Type of data to be processed
|
|
|
|
|
|
operation = None # Type of operation to parametrize
|
|
|
|
|
|
# normFactor = None #Normalization Factor
|
|
|
|
|
|
groupList = None # List of Pairs, Groups, etc
|
|
|
|
|
|
# Parameters
|
|
|
|
|
|
data_param = None # Parameters obtained
|
|
|
|
|
|
data_pre = None # Data Pre Parametrization
|
|
|
|
|
|
data_SNR = None # Signal to Noise Ratio
|
|
|
|
|
|
# heightRange = None #Heights
|
|
|
|
|
|
abscissaList = None # Abscissa, can be velocities, lags or time
|
|
|
|
|
|
# noise = None #Noise Potency
|
|
|
|
|
|
utctimeInit = None # Initial UTC time
|
|
|
|
|
|
paramInterval = None # Time interval to calculate Parameters in seconds
|
|
|
|
|
|
useLocalTime = True
|
|
|
|
|
|
# Fitting
|
|
|
|
|
|
data_error = None # Error of the estimation
|
|
|
|
|
|
constants = None
|
|
|
|
|
|
library = None
|
|
|
|
|
|
# Output signal
|
|
|
|
|
|
outputInterval = None # Time interval to calculate output signal in seconds
|
|
|
|
|
|
data_output = None # Out signal
|
|
|
|
|
|
nAvg = None
|
|
|
|
|
|
noise_estimation = None
|
|
|
|
|
|
GauSPC = None # Fit gaussian SPC
|
|
|
|
|
|
def __init__(self):
|
|
|
'''
|
|
|
Constructor
|
|
|
'''
|
|
|
self.radarControllerHeaderObj = RadarControllerHeader()
|
|
|
|
|
|
self.systemHeaderObj = SystemHeader()
|
|
|
|
|
|
self.type = "Parameters"
|
|
|
|
|
|
def getTimeRange1(self, interval):
|
|
|
|
|
|
datatime = []
|
|
|
|
|
|
if self.useLocalTime:
|
|
|
time1 = self.utctimeInit - self.timeZone * 60
|
|
|
else:
|
|
|
time1 = self.utctimeInit
|
|
|
|
|
|
datatime.append(time1)
|
|
|
datatime.append(time1 + interval)
|
|
|
datatime = numpy.array(datatime)
|
|
|
|
|
|
return datatime
|
|
|
|
|
|
def getTimeInterval(self):
|
|
|
|
|
|
if hasattr(self, 'timeInterval1'):
|
|
|
return self.timeInterval1
|
|
|
else:
|
|
|
return self.paramInterval
|
|
|
|
|
|
def setValue(self, value):
|
|
|
|
|
|
print "This property should not be initialized"
|
|
|
|
|
|
return
|
|
|
|
|
|
def getNoise(self):
|
|
|
|
|
|
return self.spc_noise
|
|
|
|
|
|
timeInterval = property(getTimeInterval)
|
|
|
noise = property(getNoise, setValue, "I'm the 'Noise' property.")
|
|
|
|
