--- a/system_settings/optic_input_ver8c_PollyXT_RALPH_7.py Mon Nov 14 23:39:33 2016 +0100 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,144 +0,0 @@ -# This Python script will be executed from within the main lidar_correction_ghk.py -# Probably it will be better in the future to let the main script rather read a conguration file, -# which might improve the portability of the code within an executable. -# Due to problems I had with some two letter variables, most variables are now with at least -# three letters mixed small and capital. - -# Header to identify the lidar system -# Values of DO, DT, and DR etc. from fit to lamp calibrations in Leipzig (LampCalib_2_invers_c_D0=0.opj) -EID = "oh" # Earlinet station ID -LID = "POLLY_XT_RALPH LampCalib_2_invers_c_DO=0.opj ver8c-7" # Additional lidar ID (short descriptive text) -# firet fit intern (FITLN1) => DO = 0, DT fixed -0.9998, eta and DR fitted, -# => internal calib with LinPol before the receiver -print(" Lidar system :", EID, ", ", LID) - - -# --- IL Laser IL and +-Uncertainty -bL = 1. #degree of linear polarization; default 1 -RotL, dRotL, nRotL = 90, 1., 0 #alpha; rotation of laser polarization in degrees; default 0 -# --- ME Emitter and +-Uncertainty -DiE, dDiE, nDiE = 0., 0.1, 0 # Diattenuation -TiE = 1. # Unpolarized transmittance -RetE, dRetE, nRetE = 0., 180.0, 0 # Retardance in degrees -RotE, dRotE, nRotE = 0., 1.0, 0 # beta: Rotation of optical element in degrees - -# --- MO Receiver Optics including telescope -DiO, dDiO, nDiO = 0.0, 0.0022, 0 -TiO = 1.0 -RetO, dRetO, nRetO = 0., 180.0, 0 -RotO, dRotO, nRotO = 0., 0.5, 0 #gamma - -# --- PBS MT transmitting path defined with (TS,TP); and +-Uncertainty -# --- Pol.Filter -ERaT, dERaT, nERaT = 0.0001, 0.0001, 1 # Extinction ratio -RotaT, dRotaT, nRotaT = 90., 2., 0 # Rotation of the pol.-filter in degrees -DaT = (1-ERaT)/(1+ERaT) -TaT = 0.5*(1+ERaT) -# --- PBS combined with Pol.Filter -TP, dTP, nTP = 0.512175, 0.0024, 1 -TS, dTS, nTS = 1-TP, 0.02, 0 -TiT = 0.5 * (TP + TS) -DiT = (TP-TS)/(TP+TS) -RetT, dRetT, nRetT = 0., 180., 0 # Retardance in degrees - -# --- PBS MR reflecting path defined with (RS,RP); and +-Uncertainty -# --- Pol.Filter -ERaR, dERaR, nERaR = 1, 0.003, 0 -RotaR, dRotaR, nRotaR = 0., 2., 0 -DaR = (1-ERaR)/(1+ERaR) -TaR = 0.5*(1+ERaR) -# --- PBS 50/50 -RP, dRP, nRP = 1-TP, 0.02, 0 -RS, dRS, nRS = 1-TS, 0.00, 0 -RetR, dRetR, nRetR = 0., 180., 0 -TiR = 0.5 * (RP + RS) -DiR = (RP-RS)/(RP+RS) - -# --- Parallel signal detected in the transmitted channel => Y = 1, or in the reflected channel => Y = -1 -Y = -1. - -# --- Calibrator Location -LocC = 3 #location of calibrator: 1 = behind laser; 2 = behind emitter; 3 = before receiver; 4 = before PBS -# --- Calibrator Type used; defined by matrix values below -TypeC = 3 #Type of calibrator: 1 = mechanical rotator; 2 = hwp rotator (fixed retardation); 3 = linear polarizer; 4 = qwp; 5 = circular polarizer; 6 = real HWP calibration +-22.5° -# --- MC Calibrator -if TypeC == 1: #mechanical rotator - DiC, dDiC, nDiC = 0., 0., 0 - TiC = 1. - RetC, dRetC, nRetC = 0., 0., 0 - RotC, dRotC, nRotC = 0., 0.1, 1 #constant calibrator offset epsilon - # Rotation error without calibrator: if False, then epsilon = 0 for normal measurements - RotationErrorEpsilonForNormalMeasurements = True # is in general True for TypeC == 1 calibrator -elif TypeC == 2: # HWP rotator - DiC, dDiC, nDiC = 0., 0., 0 - TiC = 1. - RetC, dRetC, nRetC = 180., 0., 0 - #NOTE: use here twice the HWP-rotation-angle - RotC, dRotC, nRotC = 0.0, 0.1, 1 #constant calibrator offset epsilon - RotationErrorEpsilonForNormalMeasurements = True # is in general True for TypeC == 2 calibrator -elif TypeC == 3: # linear polarizer calibrator - DiC, dDiC, nDiC = 0.9998, 0.0001, 1 # ideal 1.0 - TiC = 0.505 # ideal 0.5 - RetC, dRetC, nRetC = 0., 0., 0 - RotC, dRotC, nRotC = 0.0, 0.1, 1 #constant calibrator offset epsilon - RotationErrorEpsilonForNormalMeasurements = False # is in general False for TypeC == 3 calibrator -elif TypeC == 4: # QWP calibrator - DiC, dDiC, nDiC = 0.0, 0., 0 # ideal 1.0 - TiC = 1.0 # ideal 0.5 - RetC, dRetC, nRetC = 90., 0., 0 - RotC, dRotC, nRotC = 0.0, 0.1, 1 #constant calibrator offset epsilon - RotationErrorEpsilonForNormalMeasurements = False # is False for TypeC == 4 calibrator -elif TypeC == 6: # real half-wave plate calibration at +-22.5° => rotated_diattenuator_X22x5deg.odt - DiC, dDiC, nDiC = 0., 0., 0 - TiC = 1. - RetC, dRetC, nRetC = 180., 0., 0 - #Note: use real HWP angles here - RotC, dRotC, nRotC = 0.0, 0.1, 1 #constant calibrator offset epsilon -1.15 - RotationErrorEpsilonForNormalMeasurements = True # is in general True for TypeC == 6 calibrator -else: - print ('calibrator not implemented yet') - sys.exit() - -# --- LDRCal assumed atmospheric linear depolarization ratio during the calibration measurements (first guess) -LDRCal,dLDRCal,nLDRCal= 0.006, 0.02, 1 - -# ==================================================== -# NOTE: there is no need to change anything below. - -# --- LDRtrue for simulation of measurement => LDRsim -LDRtrue = 0.4 -LDRtrue2 = 0.004 - -# --- measured LDRm will be corrected with calculated parameters GHK -LDRmeas = 0.3 - -# --- this is just for correct transfer of the variables to the main file -RotL0, dRotL, nRotL = RotL, dRotL, nRotL -# Emitter -DiE0, dDiE, nDiE = DiE, dDiE, nDiE -RetE0, dRetE, nRetE = RetE, dRetE, nRetE -RotE0, dRotE, nRotE = RotE, dRotE, nRotE -# Receiver -DiO0, dDiO, nDiO = DiO, dDiO, nDiO -RetO0, dRetO, nRetO = RetO, dRetO, nRetO -RotO0, dRotO, nRotO = RotO, dRotO, nRotO -# Calibrator -DiC0, dDiC, nDiC = DiC, dDiC, nDiC -RetC0, dRetC, nRetC = RetC, dRetC, nRetC -RotC0, dRotC, nRotC = RotC, dRotC, nRotC -# PBS -TP0, dTP, nTP = TP, dTP, nTP -TS0, dTS, nTS = TS, dTS, nTS -RetT0, dRetT, nRetT = RetT, dRetT, nRetT - -ERaT0, dERaT, nERaT = ERaT, dERaT, nERaT -RotaT0,dRotaT,nRotaT= RotaT,dRotaT,nRotaT - -RP0, dRP, nRP = RP, dRP, nRP -RS0, dRS, nRS = RS, dRS, nRS -RetR0, dRetR, nRetR = RetR, dRetR, nRetR - -ERaR0, dERaR, nERaR = ERaR, dERaR, nERaR -RotaR0,dRotaR,nRotaR= RotaR,dRotaR,nRotaR - -LDRCal0,dLDRCal,nLDRCal=LDRCal,dLDRCal,nLDRCal \ No newline at end of file