def test_Task_computeTcxoVector1():
'''
Task object TCXO helper test
'''
outputConfig = NormalRateConfig
sv0 = GPSSatellite(1)
sv0.setL1CAEnabled(True)
signalSources = [sv0]
noiseParams = NoiseParameters(outputConfig.SAMPLE_RATE_HZ, 1.)
tcxo = None
signalFilters = [None] * 4
groupDelays = False
bands = [outputConfig.GPS.L1]
generateDebug = False
task = Task(outputConfig, signalSources, noiseParams, tcxo, signalFilters,
groupDelays, bands, generateDebug)
userTime0_s = 123.
nSamples = 1024
firstSampleIndex = 1
task.update(userTime0_s, nSamples, firstSampleIndex)
tcxo = task.computeTcxoVector()
# TCXO object is None because TCXO function is not provided
assert tcxo is None
def test_Task_computeGroupTimeVectors1():
'''
Task object group time vector test
'''
outputConfig = NormalRateConfig
sv0 = GPSSatellite(1)
sv0.setL1CAEnabled(True)
signalSources = [sv0]
noiseParams = NoiseParameters(outputConfig.SAMPLE_RATE_HZ, 1.)
tcxo = TCXOPoly((1.,))
signalFilters = [None] * 4
groupDelays = True
bands = [outputConfig.GPS.L1]
generateDebug = False
task = Task(outputConfig,
signalSources,
noiseParams,
tcxo,
signalFilters,
groupDelays,
bands,
generateDebug)
nSamples = 1024
userTime0_s = 0.
firstSampleIndex = 1
task.update(userTime0_s, nSamples, firstSampleIndex)
userTimeAll_s = task.computeTimeVector()
result = task.computeGroupTimeVectors(userTimeAll_s)
assert isinstance(result, list)
for i in range(outputConfig.N_GROUPS):
assert (result[i] == userTimeAll_s + outputConfig.GROUP_DELAYS[i]).all()
def test_Task_generate1():
'''
Task object generation test
'''
outputConfig = HighRateConfig
sv0 = GPSSatellite(1)
sv0.setL1CAEnabled(True)
signalSources = [sv0]
noiseParams = NoiseParameters(outputConfig.SAMPLE_RATE_HZ, 1.)
tcxo = None
signalFilters = [None] * 4
groupDelays = True
bands = [outputConfig.GPS.L1]
generateDebug = True
task = Task(outputConfig, signalSources, noiseParams, tcxo, signalFilters,
groupDelays, bands, generateDebug)
nSamples = 1024
userTime0_s = 0.
firstSampleIndex = 1
task.update(userTime0_s, nSamples, firstSampleIndex)
inputParams, sigs, debugData = task.perform()
assert inputParams[0] == userTime0_s
assert inputParams[1] == nSamples
assert inputParams[2] == firstSampleIndex
assert isinstance(debugData, dict)
assert sigs.shape == (outputConfig.N_GROUPS, nSamples)
def test_Task_update1():
'''
Task object parameter update test
'''
outputConfig = NormalRateConfig
sv0 = GPSSatellite(1)
sv0.setL1CAEnabled(True)
signalSources = [sv0]
noiseParams = NoiseParameters(outputConfig.SAMPLE_RATE_HZ, 1.)
tcxo = TCXOPoly(())
signalFilters = [None] * 4
groupDelays = False
bands = [outputConfig.GPS.L1]
generateDebug = False
task = Task(outputConfig, signalSources, noiseParams, tcxo, signalFilters,
groupDelays, bands, generateDebug)
userTime0_s = 123.
nSamples = 1024
firstSampleIndex = 1
task.update(userTime0_s, nSamples, firstSampleIndex)
assert task.nSamples == nSamples
assert task.firstSampleIndex == firstSampleIndex
assert task.userTime0_s == userTime0_s
assert task.noise.shape == (outputConfig.N_GROUPS, nSamples)
assert isinstance(task.signals, numpy.ndarray)
assert task.signals.shape == (outputConfig.N_GROUPS, nSamples)
def test_Task_computeGroupTimeVectors1():
'''
Task object group time vector test
'''
outputConfig = NormalRateConfig
sv0 = GPSSatellite(1)
sv0.setL1CAEnabled(True)
signalSources = [sv0]
noiseParams = NoiseParameters(outputConfig.SAMPLE_RATE_HZ, 1.)
tcxo = TCXOPoly((1., ))
signalFilters = [None] * 4
groupDelays = True
bands = [outputConfig.GPS.L1]
generateDebug = False
task = Task(outputConfig, signalSources, noiseParams, tcxo, signalFilters,
groupDelays, bands, generateDebug)
nSamples = 1024
userTime0_s = 0.
firstSampleIndex = 1
task.update(userTime0_s, nSamples, firstSampleIndex)
userTimeAll_s = task.computeTimeVector()
result = task.computeGroupTimeVectors(userTimeAll_s)
assert isinstance(result, list)
for i in range(outputConfig.N_GROUPS):
assert (result[i] == userTimeAll_s +
outputConfig.GROUP_DELAYS[i]).all()
def test_Task_generate0():
'''
Task object generation test
'''
outputConfig = HighRateConfig
sv0 = GPSSatellite(1)
sv0.setL1CAEnabled(True)
signalSources = [sv0]
noiseParams = NoiseParameters(outputConfig.SAMPLE_RATE_HZ, 1.)
tcxo = TCXOPoly((1., ))
signalFilters = [
LowPassFilter(outputConfig,
outputConfig.GPS.L1.INTERMEDIATE_FREQUENCY_HZ), None,
None, None
]
groupDelays = True
bands = [outputConfig.GPS.L1]
generateDebug = False
task = Task(outputConfig, signalSources, noiseParams, tcxo, signalFilters,
groupDelays, bands, generateDebug)
nSamples = 1024
userTime0_s = 0.
firstSampleIndex = 1
task.update(userTime0_s, nSamples, firstSampleIndex)
inputParams, sigs, debugData = task.perform()
assert inputParams[0] == userTime0_s
assert inputParams[1] == nSamples
assert inputParams[2] == firstSampleIndex
assert debugData is None
assert sigs.shape == (outputConfig.N_GROUPS, nSamples)
def test_Task_init():
'''
Task object initialization test
'''
outputConfig = NormalRateConfig
sv0 = GPSSatellite(1)
sv0.setL1CAEnabled(True)
signalSources = [sv0]
noiseParams = NoiseParameters(outputConfig.SAMPLE_RATE_HZ, 1.)
tcxo = TCXOPoly(())
signalFilters = [None] * 4
groupDelays = False
bands = [outputConfig.GPS.L1]
generateDebug = False
task = Task(outputConfig, signalSources, noiseParams, tcxo, signalFilters,
groupDelays, bands, generateDebug)
assert task.outputConfig == outputConfig
assert task.bands == bands
assert task.generateDebug == generateDebug
assert task.groupDelays == groupDelays
assert task.noiseParams == noiseParams
assert task.signalFilters == signalFilters
assert task.signalSources == signalSources
assert task.tcxo == tcxo
assert isinstance(task.noise, numpy.ndarray)
assert task.noise.shape == (outputConfig.N_GROUPS,
outputConfig.SAMPLE_BATCH_SIZE)
assert isinstance(task.signals, numpy.ndarray)
assert task.signals.shape == (outputConfig.N_GROUPS,
outputConfig.SAMPLE_BATCH_SIZE)
def test_Task_createNoise():
'''
Task object noise helper test
'''
outputConfig = NormalRateConfig
sv0 = GPSSatellite(1)
sv0.setL1CAEnabled(True)
signalSources = [sv0]
noiseParams = NoiseParameters(outputConfig.SAMPLE_RATE_HZ, 1.)
tcxo = TCXOPoly((1., ))
signalFilters = [None] * 4
groupDelays = False
bands = [outputConfig.GPS.L1]
generateDebug = False
task = Task(outputConfig, signalSources, noiseParams, tcxo, signalFilters,
groupDelays, bands, generateDebug)
userTime0_s = 123.
nSamples = outputConfig.SAMPLE_BATCH_SIZE
firstSampleIndex = 1
task.update(userTime0_s, nSamples, firstSampleIndex)
noiseMatrix = task.createNoise()
assert isinstance(noiseMatrix, numpy.ndarray)
assert noiseMatrix.shape == (outputConfig.N_GROUPS, nSamples)
assert numpy.mean(noiseMatrix) < 0.1
assert (noiseMatrix != 0.).sum() > 1000
def test_Task_computeTcxoVector2():
'''
Task object TCXO helper test
'''
outputConfig = NormalRateConfig
sv0 = GPSSatellite(1)
sv0.setL1CAEnabled(True)
signalSources = [sv0]
noiseParams = NoiseParameters(outputConfig.SAMPLE_RATE_HZ, 1.)
tcxo = TCXOPoly((1., ))
signalFilters = [None] * 4
groupDelays = False
bands = [outputConfig.GPS.L1]
generateDebug = False
task = Task(outputConfig, signalSources, noiseParams, tcxo, signalFilters,
groupDelays, bands, generateDebug)
userTime0_s = 123.
nSamples = 1024
firstSampleIndex = 1
task.update(userTime0_s, nSamples, firstSampleIndex)
tcxoVector = task.computeTcxoVector()
assert isinstance(tcxoVector, numpy.ndarray)
assert tcxoVector.shape == (1024, )
assert (tcxoVector != 0.).all()
def test_Worker_init():
'''
Worker object initialization
'''
outputConfig = NormalRateConfig
sv0 = GPSSatellite(1)
sv0.setL1CAEnabled(True)
signalSources = [sv0]
noiseParams = NoiseParameters(outputConfig.SAMPLE_RATE_HZ, 1.)
tcxo = None
signalFilters = [None] * 4
groupDelays = False
bands = [outputConfig.GPS.L1]
generateDebug = False
worker = Worker(outputConfig,
signalSources,
noiseParams,
tcxo,
signalFilters,
groupDelays,
bands,
generateDebug)
assert worker.totalWaitTime_s == 0.
assert worker.totalExecTime_s == 0.
assert worker.outputConfig == outputConfig
assert worker.signalSources == signalSources
assert worker.noiseParams == noiseParams
assert worker.tcxo == tcxo
assert worker.signalFilters == signalFilters
assert worker.groupDelays == groupDelays
assert worker.bands == bands
assert worker.generateDebug == generateDebug
def test_Task_createNoise():
'''
Task object noise helper test
'''
outputConfig = NormalRateConfig
sv0 = GPSSatellite(1)
sv0.setL1CAEnabled(True)
signalSources = [sv0]
noiseParams = NoiseParameters(outputConfig.SAMPLE_RATE_HZ, 1.)
tcxo = TCXOPoly((1.,))
signalFilters = [None] * 4
groupDelays = False
bands = [outputConfig.GPS.L1]
generateDebug = False
task = Task(outputConfig,
signalSources,
noiseParams,
tcxo,
signalFilters,
groupDelays,
bands,
generateDebug)
userTime0_s = 123.
nSamples = outputConfig.SAMPLE_BATCH_SIZE
firstSampleIndex = 1
task.update(userTime0_s, nSamples, firstSampleIndex)
noiseMatrix = task.createNoise()
assert isinstance(noiseMatrix, numpy.ndarray)
assert noiseMatrix.shape == (outputConfig.N_GROUPS, nSamples)
assert numpy.mean(noiseMatrix) < 0.1
assert (noiseMatrix != 0.).sum() > 1000
def test_Task_generate1():
'''
Task object generation test
'''
outputConfig = HighRateConfig
sv0 = GPSSatellite(1)
sv0.setL1CAEnabled(True)
signalSources = [sv0]
noiseParams = NoiseParameters(outputConfig.SAMPLE_RATE_HZ, 1.)
tcxo = None
signalFilters = [None] * 4
groupDelays = True
bands = [outputConfig.GPS.L1]
generateDebug = True
task = Task(outputConfig,
signalSources,
noiseParams,
tcxo,
signalFilters,
groupDelays,
bands,
generateDebug)
nSamples = 1024
userTime0_s = 0.
firstSampleIndex = 1
task.update(userTime0_s, nSamples, firstSampleIndex)
inputParams, sigs, debugData = task.perform()
assert inputParams[0] == userTime0_s
assert inputParams[1] == nSamples
assert inputParams[2] == firstSampleIndex
assert isinstance(debugData, dict)
assert sigs.shape == (outputConfig.N_GROUPS, nSamples)
def test_Task_computeTcxoVector1():
'''
Task object TCXO helper test
'''
outputConfig = NormalRateConfig
sv0 = GPSSatellite(1)
sv0.setL1CAEnabled(True)
signalSources = [sv0]
noiseParams = NoiseParameters(outputConfig.SAMPLE_RATE_HZ, 1.)
tcxo = None
signalFilters = [None] * 4
groupDelays = False
bands = [outputConfig.GPS.L1]
generateDebug = False
task = Task(outputConfig,
signalSources,
noiseParams,
tcxo,
signalFilters,
groupDelays,
bands,
generateDebug)
userTime0_s = 123.
nSamples = 1024
firstSampleIndex = 1
task.update(userTime0_s, nSamples, firstSampleIndex)
tcxo = task.computeTcxoVector()
# TCXO object is None because TCXO function is not provided
assert tcxo is None
def test_Task_computeTcxoVector2():
'''
Task object TCXO helper test
'''
outputConfig = NormalRateConfig
sv0 = GPSSatellite(1)
sv0.setL1CAEnabled(True)
signalSources = [sv0]
noiseParams = NoiseParameters(outputConfig.SAMPLE_RATE_HZ, 1.)
tcxo = TCXOPoly((1.,))
signalFilters = [None] * 4
groupDelays = False
bands = [outputConfig.GPS.L1]
generateDebug = False
task = Task(outputConfig,
signalSources,
noiseParams,
tcxo,
signalFilters,
groupDelays,
bands,
generateDebug)
userTime0_s = 123.
nSamples = 1024
firstSampleIndex = 1
task.update(userTime0_s, nSamples, firstSampleIndex)
tcxoVector = task.computeTcxoVector()
assert isinstance(tcxoVector, numpy.ndarray)
assert tcxoVector.shape == (1024,)
assert (tcxoVector != 0.).all()
def test_Worker_init():
'''
Worker object initialization
'''
outputConfig = NormalRateConfig
sv0 = GPSSatellite(1)
sv0.setL1CAEnabled(True)
signalSources = [sv0]
noiseParams = NoiseParameters(outputConfig.SAMPLE_RATE_HZ, 1.)
tcxo = None
signalFilters = [None] * 4
groupDelays = False
bands = [outputConfig.GPS.L1]
generateDebug = False
worker = Worker(outputConfig, signalSources, noiseParams, tcxo,
signalFilters, groupDelays, bands, generateDebug)
assert worker.totalWaitTime_s == 0.
assert worker.totalExecTime_s == 0.
assert worker.outputConfig == outputConfig
assert worker.signalSources == signalSources
assert worker.noiseParams == noiseParams
assert worker.tcxo == tcxo
assert worker.signalFilters == signalFilters
assert worker.groupDelays == groupDelays
assert worker.bands == bands
assert worker.generateDebug == generateDebug
def test_Task_update1():
'''
Task object parameter update test
'''
outputConfig = NormalRateConfig
sv0 = GPSSatellite(1)
sv0.setL1CAEnabled(True)
signalSources = [sv0]
noiseParams = NoiseParameters(outputConfig.SAMPLE_RATE_HZ, 1.)
tcxo = TCXOPoly(())
signalFilters = [None] * 4
groupDelays = False
bands = [outputConfig.GPS.L1]
generateDebug = False
task = Task(outputConfig,
signalSources,
noiseParams,
tcxo,
signalFilters,
groupDelays,
bands,
generateDebug)
userTime0_s = 123.
nSamples = 1024
firstSampleIndex = 1
task.update(userTime0_s, nSamples, firstSampleIndex)
assert task.nSamples == nSamples
assert task.firstSampleIndex == firstSampleIndex
assert task.userTime0_s == userTime0_s
assert task.noise.shape == (outputConfig.N_GROUPS, nSamples)
assert isinstance(task.signals, numpy.ndarray)
assert task.signals.shape == (outputConfig.N_GROUPS, nSamples)
def test_Task_generate0():
'''
Task object generation test
'''
outputConfig = HighRateConfig
sv0 = GPSSatellite(1)
sv0.setL1CAEnabled(True)
signalSources = [sv0]
noiseParams = NoiseParameters(outputConfig.SAMPLE_RATE_HZ, 1.)
tcxo = TCXOPoly((1.,))
signalFilters = [LowPassFilter(outputConfig,
outputConfig.GPS.L1.INTERMEDIATE_FREQUENCY_HZ),
None, None, None]
groupDelays = True
bands = [outputConfig.GPS.L1]
generateDebug = False
task = Task(outputConfig,
signalSources,
noiseParams,
tcxo,
signalFilters,
groupDelays,
bands,
generateDebug)
nSamples = 1024
userTime0_s = 0.
firstSampleIndex = 1
task.update(userTime0_s, nSamples, firstSampleIndex)
inputParams, sigs, debugData = task.perform()
assert inputParams[0] == userTime0_s
assert inputParams[1] == nSamples
assert inputParams[2] == firstSampleIndex
assert debugData is None
assert sigs.shape == (outputConfig.N_GROUPS, nSamples)
def test_Task_runOnce0():
'''
Worker object loop cycle test
'''
class MyQueue(object):
def __init__(self):
self.queue = []
def get(self):
return self.queue.pop(0)
def put(self, obj):
return self.queue.append(obj)
outputConfig = NormalRateConfig
sv0 = GPSSatellite(1)
sv0.setL1CAEnabled(True)
signalSources = [sv0]
noiseParams = NoiseParameters(outputConfig.SAMPLE_RATE_HZ, 1.)
tcxo = None
signalFilters = [None] * 4
groupDelays = False
bands = [outputConfig.GPS.L1]
generateDebug = False
worker = Worker(outputConfig,
signalSources,
noiseParams,
tcxo,
signalFilters,
groupDelays,
bands,
generateDebug)
# worker.start()
worker.queueIn = MyQueue()
worker.queueOut = MyQueue()
nSamples = 1024
userTime0_s = 0.
firstSampleIndex = 1l
params = (userTime0_s, nSamples, firstSampleIndex)
worker.queueIn.put(params)
task = worker.createTask()
worker.run_once(task)
result = worker.queueOut.get()
(inputParams, signalSamples, debugData) = result
assert inputParams[0] == userTime0_s
assert inputParams[1] == nSamples
assert inputParams[2] == firstSampleIndex
assert debugData is None
assert signalSamples.shape == (outputConfig.N_GROUPS, nSamples)
worker.queueIn.put(None)
worker.run_once(task)
worker.queueOut.get()
def test_computeEnabledBands2():
'''
Bands selection test
'''
sv0 = GPSSatellite(1)
sv0.setL2CEnabled(True)
sv1 = GLOSatellite(0)
sv1.setL1Enabled(True)
bandMap = computeEnabledBands([sv0, sv1], NormalRateConfig)
assert bandMap[NormalRateConfig.GPS.L1.NAME] == False
assert bandMap[NormalRateConfig.GPS.L2.NAME] == True
assert bandMap[NormalRateConfig.GLONASS.L1.NAME] == True
assert bandMap[NormalRateConfig.GLONASS.L2.NAME] == False
def test_GPSSV_messages():
'''
GPS SV messages test
'''
sv = GPSSatellite(1)
assert sv.l1caMessage == sv.getL1CAMessage()
assert sv.l2cMessage == sv.getL2CMessage()
lnav = LNavMessage(1)
cnav = CNavMessage(1)
sv.setL1CAMessage(lnav)
sv.setL2CMessage(cnav)
assert sv.l1caMessage == sv.getL1CAMessage() == lnav
assert sv.l2cMessage == sv.getL2CMessage() == cnav
def test_generateSamples0():
'''
Sample generation test:
- GPS L1/L2
- Noise sigma defined
- Band pass filter type
- No group delays
- No process spawning
'''
outputFile = file('/dev/null', 'wt')
logFile = file('/dev/null', 'wt')
sv0 = GPSSatellite(1)
sv0.setL1CAEnabled(True)
sv0.setL2CEnabled(True)
sv_list = [sv0]
outputConfig = HighRateConfig
encoder = GPSL1L2BitEncoder(outputConfig)
time0S = 0.
nSamples = HighRateConfig.SAMPLE_BATCH_SIZE + 10000
noiseSigma = 1.
tcxo = None
filterType = 'bandpass'
groupDelays = False
threadCount = 0
class Pbar(object):
def update(self, value):
pass
pbar = Pbar()
# Execute main sample generation function with all supported SV types and
# bands. An error shall lead to the test failure.
# This time execution is performed in the test process.
generateSamples(outputFile,
sv_list,
encoder,
time0S,
nSamples,
outputConfig,
noiseSigma,
tcxo,
filterType,
groupDelays,
logFile,
threadCount,
pbar)
def test_factories():
'''
Test factories
'''
to_map_and_back(AFO, AmplitudePoly(AmplitudeBase.UNITS_AMPLITUDE, (1, )))
to_map_and_back(AFO,
AmplitudeSine(AmplitudeBase.UNITS_AMPLITUDE, 1., 2., 1.))
value_error(AFO)
to_map_and_back(DFO, DopplerPoly(1000., 77., (1., 1.)))
to_map_and_back(DFO, DopplerSine(1000., 55., 4., 3., 5.))
value_error(DFO)
to_map_and_back(MFO, BlockMessage(np.random.rand(1023)))
to_map_and_back(MFO, CNAVMessage(1))
to_map_and_back(MFO, ConstMessage(1))
to_map_and_back(MFO, LNAVMessage(1))
to_map_and_back(MFO, ZeroOneMessage())
value_error(MFO)
to_map_and_back(SFO, GPSSatellite(1))
value_error(SFO)
to_map_and_back(TFO, PolyTcxo((1., 1.)))
to_map_and_back(TFO, SineTcxo(0., 1e6, 0.004))
value_error(TFO)
def test_Task_runOnce0():
'''
Worker object loop cycle test
'''
class MyQueue(object):
def __init__(self):
self.queue = []
def get(self):
return self.queue.pop(0)
def put(self, obj):
return self.queue.append(obj)
outputConfig = NormalRateConfig
sv0 = GPSSatellite(1)
sv0.setL1CAEnabled(True)
signalSources = [sv0]
noiseParams = NoiseParameters(outputConfig.SAMPLE_RATE_HZ, 1.)
tcxo = None
signalFilters = [None] * 4
groupDelays = False
bands = [outputConfig.GPS.L1]
generateDebug = False
worker = Worker(outputConfig, signalSources, noiseParams, tcxo,
signalFilters, groupDelays, bands, generateDebug)
# worker.start()
worker.queueIn = MyQueue()
worker.queueOut = MyQueue()
nSamples = 1024
userTime0_s = 0.
firstSampleIndex = 1l
params = (userTime0_s, nSamples, firstSampleIndex)
worker.queueIn.put(params)
task = worker.createTask()
worker.run_once(task)
result = worker.queueOut.get()
(inputParams, signalSamples, debugData) = result
assert inputParams[0] == userTime0_s
assert inputParams[1] == nSamples
assert inputParams[2] == firstSampleIndex
assert debugData is None
assert signalSamples.shape == (outputConfig.N_GROUPS, nSamples)
worker.queueIn.put(None)
worker.run_once(task)
worker.queueOut.get()
def test_GPSSV_messages(): ''' GPS SV messages test ''' sv = GPSSatellite(1) assert sv.l1caMessage == sv.getL1CAMessage() assert sv.l2cMessage == sv.getL2CMessage() lnav = LNavMessage(1) cnav = CNavMessage(1) sv.setL1CAMessage(lnav) sv.setL2CMessage(cnav) assert sv.l1caMessage == sv.getL1CAMessage() == lnav assert sv.l2cMessage == sv.getL2CMessage() == cnav
def test_GPSSV_str():
'''
GPS SV string representation
'''
sv = GPSSatellite(3)
value = str(sv)
assert value.find('GPS') >= 0
assert value.find('3') >= 0
def test_generateSamples1():
'''
Sample generation test:
- GPS L1/L2
- No noise
- Low pass filter type
- No group delays
- Two process spawning
'''
outputFile = file('/dev/null', 'wt')
logFile = file('/dev/null', 'wt')
sv0 = GPSSatellite(1)
sv0.setL1CAEnabled(True)
sv0.setL2CEnabled(True)
sv_list = [sv0]
outputConfig = HighRateConfig
encoder = GPSL1L2BitEncoder(outputConfig)
time0S = 0.
nSamples = 9999
noiseSigma = None
tcxo = None
filterType = 'lowpass'
groupDelays = False
threadCount = 2
pbar = None
# Execute main sample generation function with all supported SV types and
# bands. An error shall lead to the test failure.
# This time execution is performed in a separate process.
generateSamples(outputFile,
sv_list,
encoder,
time0S,
nSamples,
outputConfig,
noiseSigma,
tcxo,
filterType,
groupDelays,
logFile,
threadCount,
pbar)
def test_GPSSv_init():
'''
GPS SV initialization test
'''
sv = GPSSatellite(1)
assert isinstance(sv, SVBase)
assert sv.prn == 1
assert sv.svName == "GPS1"
assert isinstance(sv.amplitude, AmplitudeBase)
assert isinstance(sv.doppler, DopplerBase)
def test_GPSSV_getBatchSignals1():
'''
GPS SV signal generation: not available
'''
sv = GPSSatellite(1)
start = 0.
stop = start + (100. / float(NormalRateConfig.SAMPLE_RATE_HZ))
userTimeAll_s = numpy.linspace(
start, stop, 100, endpoint=False, dtype=numpy.float)
samples = numpy.zeros((2, 100))
noiseParams = NoiseParameters(NormalRateConfig.SAMPLE_RATE_HZ, 1.0)
result = sv.getBatchSignals(userTimeAll_s,
samples,
NormalRateConfig,
noiseParams,
NormalRateConfig.GLONASS.L1,
False)
assert len(result) == 0
# No signals are generated because SV object doesn't support GLONASS
assert (samples == 0).all()
def test_GPSSV_getBatchSignals1():
'''
GPS SV signal generation: not available
'''
sv = GPSSatellite(1)
start = 0.
stop = start + (100. / float(NormalRateConfig.SAMPLE_RATE_HZ))
userTimeAll_s = numpy.linspace(start,
stop,
100,
endpoint=False,
dtype=numpy.float)
samples = numpy.zeros((2, 100))
noiseParams = NoiseParameters(NormalRateConfig.SAMPLE_RATE_HZ, 1.0)
result = sv.getBatchSignals(userTimeAll_s, samples, NormalRateConfig,
noiseParams, NormalRateConfig.GLONASS.L1,
False)
assert len(result) == 0
# No signals are generated because SV object doesn't support GLONASS
assert (samples == 0).all()
def test_generateSamples1():
'''
Sample generation test:
- GPS L1/L2
- No noise
- Low pass filter type
- No group delays
- Two process spawning
'''
outputFile = file('/dev/null', 'wt')
logFile = file('/dev/null', 'wt')
sv0 = GPSSatellite(1)
sv0.setL1CAEnabled(True)
sv0.setL2CEnabled(True)
sv_list = [sv0]
outputConfig = HighRateConfig
encoder = GPSL1L2BitEncoder(outputConfig)
time0S = 0.
nSamples = 9999
noiseSigma = None
tcxo = None
filterType = 'lowpass'
groupDelays = False
threadCount = 2
pbar = None
# Execute main sample generation function with all supported SV types and
# bands. An error shall lead to the test failure.
# This time execution is performed in a separate process.
generateSamples(outputFile, sv_list, encoder, time0S, nSamples,
outputConfig, noiseSigma, tcxo, filterType, groupDelays,
logFile, threadCount, pbar)
def test_GPSSV_getBatchSignals3():
'''
GPS SV signal generation: L2C
'''
sv = GPSSatellite(1)
start = 0.
stop = start + (100. / float(NormalRateConfig.SAMPLE_RATE_HZ))
userTimeAll_s = numpy.linspace(start,
stop,
100,
endpoint=False,
dtype=numpy.float)
samples = numpy.zeros((2, 100))
noiseParams = NoiseParameters(NormalRateConfig.SAMPLE_RATE_HZ, 1.0)
sv.setL2CEnabled(True)
result = sv.getBatchSignals(userTimeAll_s, samples, NormalRateConfig,
noiseParams, NormalRateConfig.GPS.L2, False)
assert len(result) == 1
assert result[0]['type'] == 'GPSL2'
assert result[0]['doppler'] is None
assert (samples[0] == 0).all()
assert (samples[1] != 0).any()
def test_Task_init():
'''
Task object initialization test
'''
outputConfig = NormalRateConfig
sv0 = GPSSatellite(1)
sv0.setL1CAEnabled(True)
signalSources = [sv0]
noiseParams = NoiseParameters(outputConfig.SAMPLE_RATE_HZ, 1.)
tcxo = TCXOPoly(())
signalFilters = [None] * 4
groupDelays = False
bands = [outputConfig.GPS.L1]
generateDebug = False
task = Task(outputConfig,
signalSources,
noiseParams,
tcxo,
signalFilters,
groupDelays,
bands,
generateDebug)
assert task.outputConfig == outputConfig
assert task.bands == bands
assert task.generateDebug == generateDebug
assert task.groupDelays == groupDelays
assert task.noiseParams == noiseParams
assert task.signalFilters == signalFilters
assert task.signalSources == signalSources
assert task.tcxo == tcxo
assert isinstance(task.noise, numpy.ndarray)
assert task.noise.shape == (outputConfig.N_GROUPS,
outputConfig.SAMPLE_BATCH_SIZE)
assert isinstance(task.signals, numpy.ndarray)
assert task.signals.shape == (outputConfig.N_GROUPS,
outputConfig.SAMPLE_BATCH_SIZE)
def test_GPSSV_getBatchSignals3():
'''
GPS SV signal generation: L2C
'''
sv = GPSSatellite(1)
start = 0.
stop = start + (100. / float(NormalRateConfig.SAMPLE_RATE_HZ))
userTimeAll_s = numpy.linspace(
start, stop, 100, endpoint=False, dtype=numpy.float)
samples = numpy.zeros((2, 100))
noiseParams = NoiseParameters(NormalRateConfig.SAMPLE_RATE_HZ, 1.0)
sv.setL2CEnabled(True)
result = sv.getBatchSignals(userTimeAll_s,
samples,
NormalRateConfig,
noiseParams,
NormalRateConfig.GPS.L2,
False)
assert len(result) == 1
assert result[0]['type'] == 'GPSL2'
assert result[0]['doppler'] is None
assert (samples[0] == 0).all()
assert (samples[1] != 0).any()
def __call__(self, parser, namespace, values, option_string=None):
# Initialize SV list if not yet done
if namespace.gps_sv is None:
namespace.gps_sv = []
# Add SV to the tail of the list.
if option_string == '--gps-sv':
sv = GPSSatellite(int(values))
elif option_string == '--glo-sv':
sv = GLOSatellite(int(values))
else:
raise ValueError("Option value is not supported: %s" %
option_string)
namespace.gps_sv.append(sv)
# Reset all configuration parameters
namespace.l2cl_code_type = '01'
namespace.ignore_code_doppler = False
# Doppler
namespace.doppler_type = "zero"
namespace.doppler_value = 0.
namespace.doppler_speed = 0.
namespace.distance = None
namespace.tec = 50.
namespace.doppler_amplitude = 0.
namespace.doppler_period = 1.
namespace.symbol_delay = None
namespace.chip_delay = None
# Source message data
namespace.message_type = "zero"
namespace.message_file = None
# Amplitude parameters
namespace.amplitude_type = "poly"
namespace.amplitude_unis = "snr-db"
namespace.amplitude_a0 = None
namespace.amplitude_a1 = None
namespace.amplitude_a2 = None
namespace.amplitude_a3 = None
namespace.amplitude_period = None
def test_generateSamples0():
'''
Sample generation test:
- GPS L1/L2
- Noise sigma defined
- Band pass filter type
- No group delays
- No process spawning
'''
outputFile = file('/dev/null', 'wt')
logFile = file('/dev/null', 'wt')
sv0 = GPSSatellite(1)
sv0.setL1CAEnabled(True)
sv0.setL2CEnabled(True)
sv_list = [sv0]
outputConfig = HighRateConfig
encoder = GPSL1L2BitEncoder(outputConfig)
time0S = 0.
nSamples = HighRateConfig.SAMPLE_BATCH_SIZE + 10000
noiseSigma = 1.
tcxo = None
filterType = 'bandpass'
groupDelays = False
threadCount = 0
class Pbar(object):
def update(self, value):
pass
pbar = Pbar()
# Execute main sample generation function with all supported SV types and
# bands. An error shall lead to the test failure.
# This time execution is performed in the test process.
generateSamples(outputFile, sv_list, encoder, time0S, nSamples,
outputConfig, noiseSigma, tcxo, filterType, groupDelays,
logFile, threadCount, pbar)
def test_GPSSV_bands():
'''
GPS SV band configurations
'''
sv = GPSSatellite(1)
assert not sv.isBandEnabled(NormalRateConfig.GPS.L1, NormalRateConfig)
assert not sv.isBandEnabled(NormalRateConfig.GPS.L2, NormalRateConfig)
assert not sv.isBandEnabled(NormalRateConfig.GLONASS.L1, NormalRateConfig)
assert not sv.isBandEnabled(NormalRateConfig.GLONASS.L2, NormalRateConfig)
assert not sv.isL1CAEnabled()
assert not sv.isL2CEnabled()
sv.setL1CAEnabled(True)
assert sv.isBandEnabled(NormalRateConfig.GPS.L1, NormalRateConfig)
assert not sv.isBandEnabled(NormalRateConfig.GPS.L2, NormalRateConfig)
assert sv.isL1CAEnabled()
assert not sv.isL2CEnabled()
sv.setL2CEnabled(True)
sv.setL1CAEnabled(False)
assert not sv.isBandEnabled(NormalRateConfig.GPS.L1, NormalRateConfig)
assert sv.isBandEnabled(NormalRateConfig.GPS.L2, NormalRateConfig)
assert not sv.isL1CAEnabled()
assert sv.isL2CEnabled()
def __MapTo_GPSSatellite(self, data):
prn = data['prn']
doppler = dopplerOF.fromMapForm(data['doppler'])
amplitude = amplitudeOF.fromMapForm(data['amplitude'])
l1caEnabled = data['l1caEnabled']
l2cEnabled = data['l2cEnabled']
l1caMessage = messageOF.fromMapForm(data['l1caMessage'])
l2cMessage = messageOF.fromMapForm(data['l2cMessage'])
clCodeType = data['l2clCodeType']
codeDopplerIgnored = data['codeDopplerIgnored']
satellite = GPSSatellite(prn)
satellite.setAmplitude(amplitude)
satellite.setDoppler(doppler)
satellite.setL1CAEnabled(l1caEnabled)
satellite.setL2CEnabled(l2cEnabled)
satellite.setL1CAMessage(l1caMessage)
satellite.setL2CMessage(l2cMessage)
satellite.setL2CLCodeType(clCodeType)
satellite.setCodeDopplerIgnored(codeDopplerIgnored)
return satellite
def test_GPSSV_l2clCodeType():
'''
GPS SV L2CL code variants
'''
sv = GPSSatellite(1)
sv.setL2CLCodeType('0')
assert sv.l2clCodeType == '0'
prn = sv.l2clCodeType
sv.setL2CLCodeType('0')
assert sv.l2clCodeType == '0' == sv.getL2CLCodeType()
assert prn == sv.l2clCodeType
assert (sv.l2cCode.binCode[1::2] == 0).all()
sv.setL2CLCodeType('1')
assert sv.l2clCodeType == '1' == sv.getL2CLCodeType()
assert prn != sv.l2clCodeType
assert (sv.l2cCode.binCode[1::2] == 1).all()
prn = sv.l2clCodeType
sv.setL2CLCodeType('01')
assert sv.l2clCodeType == '01' == sv.getL2CLCodeType()
assert prn != sv.l2clCodeType
assert (sv.l2cCode.binCode[1::4] == 0).all()
assert (sv.l2cCode.binCode[3::4] == 1).all()
def test_GPSSV_bands(): ''' GPS SV band configurations ''' sv = GPSSatellite(1) assert not sv.isBandEnabled(NormalRateConfig.GPS.L1, NormalRateConfig) assert not sv.isBandEnabled(NormalRateConfig.GPS.L2, NormalRateConfig) assert not sv.isBandEnabled(NormalRateConfig.GLONASS.L1, NormalRateConfig) assert not sv.isBandEnabled(NormalRateConfig.GLONASS.L2, NormalRateConfig) assert not sv.isL1CAEnabled() assert not sv.isL2CEnabled() sv.setL1CAEnabled(True) assert sv.isBandEnabled(NormalRateConfig.GPS.L1, NormalRateConfig) assert not sv.isBandEnabled(NormalRateConfig.GPS.L2, NormalRateConfig) assert sv.isL1CAEnabled() assert not sv.isL2CEnabled() sv.setL2CEnabled(True) sv.setL1CAEnabled(False) assert not sv.isBandEnabled(NormalRateConfig.GPS.L1, NormalRateConfig) assert sv.isBandEnabled(NormalRateConfig.GPS.L2, NormalRateConfig) assert not sv.isL1CAEnabled() assert sv.isL2CEnabled()
def test_GPSSV_l2clCodeType():
'''
GPS SV L2CL code variants
'''
sv = GPSSatellite(1)
sv.setL2CLCodeType('0')
assert sv.l2clCodeType == '0'
prn = sv.l2clCodeType
sv.setL2CLCodeType('0')
assert sv.l2clCodeType == '0' == sv.getL2CLCodeType()
assert prn == sv.l2clCodeType
assert (sv.l2cCode.binCode[1::2] == 0).all()
sv.setL2CLCodeType('1')
assert sv.l2clCodeType == '1' == sv.getL2CLCodeType()
assert prn != sv.l2clCodeType
assert (sv.l2cCode.binCode[1::2] == 1).all()
prn = sv.l2clCodeType
sv.setL2CLCodeType('01')
assert sv.l2clCodeType == '01' == sv.getL2CLCodeType()
assert prn != sv.l2clCodeType
assert (sv.l2cCode.binCode[1::4] == 0).all()
assert (sv.l2cCode.binCode[3::4] == 1).all()
def __MapTo_GPSSatellite(self, data): prn = data['prn'] doppler = dopplerOF.fromMapForm(data['doppler']) amplitude = amplitudeOF.fromMapForm(data['amplitude']) l1caEnabled = data['l1caEnabled'] l2cEnabled = data['l2cEnabled'] l1caMessage = messageOF.fromMapForm(data['l1caMessage']) l2cMessage = messageOF.fromMapForm(data['l2cMessage']) clCodeType = data['l2clCodeType'] codeDopplerIgnored = data['codeDopplerIgnored'] satellite = GPSSatellite(prn) satellite.setAmplitude(amplitude) satellite.setDoppler(doppler) satellite.setL1CAEnabled(l1caEnabled) satellite.setL2CEnabled(l2cEnabled) satellite.setL1CAMessage(l1caMessage) satellite.setL2CMessage(l2cMessage) satellite.setL2CLCodeType(clCodeType) satellite.setCodeDopplerIgnored(codeDopplerIgnored) return satellite
