def __init__(self, calibrationFile, analyser="VNA"):
self.laserPositioner = LaserPositioner(ProbeCalibration.fromFile(calibrationFile))
if analyser == "VNA":
self.analyzer = device.knownDevices["networkAnalyzer"]
self.analyzer._hardPresetMethod = self.laserPositioner.robot.strobeLowGpio1
elif analyser == "SA":
self.analyzer = device.knownDevices["spectrumAnalyzer"]
self.analyzer.reset()
self.analyzer.span = Frequency(1000, "MHz")
self.analyzer.centerFrequency = Frequency(500, "MHz")
self.analyzer.numberOfAveragingPoints = 100 # 500 for D3
else:
raise ValueError, "Analyser choice not recognised"
# self.powerSupply = None
self.powerSupply = device.knownDevices["powerSupply"]
self.powerSupply.setChannelParameters(4, Voltage(12.0, "V"), Current(0.7, "A"))
self.powerSupply.setChannelParameters(3, Voltage(9.0, "V"), Current(0.25, "A"))
self.powerSupply.setChannelParameters(2, Voltage(5.0, "V"), Current(1.00, "A"))
self.powerSupply.setChannelParameters(1, Voltage(3.3, "V"), Current(0.7, "A"))
def __init__(self,calibrationFile,analyser='VNA'):
self.laserPositioner = LaserPositioner(ProbeCalibration.fromFile(calibrationFile))
if analyser == 'VNA':
self.analyzer = device.knownDevices['networkAnalyzer']
self.analyzer._hardPresetMethod = self.laserPositioner.robot.strobeLowGpio1
elif analyser == 'SA':
self.analyzer = device.knownDevices['spectrumAnalyzer']
self.analyzer.reset()
self.analyzer.span = Frequency(1000,'MHz')
self.analyzer.centerFrequency = Frequency(500,'MHz')
self.analyzer.numberOfAveragingPoints = 100 #500 for D3
else:
raise ValueError, 'Analyser choice not recognised'
self.powerSupply = None
# self.powerSupply = device.knownDevices['powerSupply']
# self.powerSupply.setChannelParameters(4,Voltage(12.0,'V'),Current(1.4,'A'))
# self.powerSupply.setChannelParameters(3,Voltage(9.0,'V'),Current(0.25,'A'))
# self.powerSupply.setChannelParameters(2,Voltage(5.0,'V'),Current(1.00,'A'))
# self.powerSupply.setChannelParameters(1,Voltage(3.3,'V'),Current(0.7,'A'))
if not(self.powerSupply):
print "Warning: the power supply is not remote controlled. If you need an LNA, switch it on manually."
</EmissionScan>
''')
self._xmlFileHandle.close()
def writePoint(self,position,complexVoltages):
self._dataFileHandle.write('{position[0]:.6f} {position[1]:.6f} {position[2]:.6f}'.format(position=position.asUnit('m')))
complexVoltageArray = numpy.array(complexVoltages)
for (realVoltage,imaginaryVoltage) in zip(complexVoltageArray.real.flat,complexVoltageArray.imag.flat):
self._dataFileHandle.write(' {realVoltage:.6e} {imaginaryVoltage:.6e}'.format(realVoltage=realVoltage,imaginaryVoltage=imaginaryVoltage))
self._dataFileHandle.write('\n')
def writePoints(self,xGrid,yGrid,zCoordinate,complexVoltagesGrid):
for (xCoordinate,yCoordinate,complexVoltage) in zip(xGrid.flat,yGrid.flat,complexVoltagesGrid.reshape(xGrid.size,self._frequencies.size).tolist()):
position = Position(numpy.array([xCoordinate,yCoordinate,zCoordinate]),'m')
self.writePoint(position,complexVoltage)
if __name__ == '__main__':
import numpy
frequencies = numpy.arange(1000000,10000000,1000000)
(xGrid, yGrid) = numpy.meshgrid(numpy.arange(0,5.0,1)/1000,numpy.arange(0,4.0,1)/1000,indexing='ij')
zPosition = 5.0/1000
complexVoltagesGrid = numpy.random.random((5,4,9))
calibration = ProbeCalibration.fromFile('Hy-5mm.xml')
with NfsFile('Z:/Measurements/NFSE-in','D2-Hy-newstyle10',imageName='D2',calibration=calibration.electrical,frequencies=frequencies) as nfsFile:
nfsFile.writePoints(xGrid,
yGrid,
zPosition,
complexVoltagesGrid)
