This file lists the most important programs used by DWE (author of all programs: Robindro Dutta-Roy). The extension 'pro' denotes IDL programs. The extensions 'c' and 'pgm' denote C-programs, 'pgm'-programs require installation of the SPICE toolkit.

Programs used in Ph.D. thesis of R. Dutta-Roy

This program was used to create the DWE simulation data:
modfr.pgm
modfr_nospin.pgm version to exclude Huygens spin
modfr_check.pgm verification version

Program to compute the various Doppler contributions to the LOS velocity:
fr_contributions.pgm

This program computes the error contributions:
accuracy.pgm

Programs to retrieve the zonal wind speed from the simulation data (zonal wind retrieval algorithm):
recov.pgm
recovtest.pgm verification version
recovtest_check.pgm another verification version

IDL programs:
fr.pro checks effects of data smoothing
ana_fr.pro plots simulation data and oscillation amplitude
fft_fr.pro computes and plots FFT spectrum
offset_diss.pro summarizes PCO frequency measurements
ncoa.pro used to plot simulated carrier frequency data
fqr.pro plots moving average filter incl. frequency response
bplane.pro creates B-plane figure
df.pro plots simulated frequency and Doppler contributions
ana_diss.pro analysis of PCO carrier frequency measurement (freq., drift, Osc. amplitude, Allan deviation)
phasepol.pro PTA phase pattern polar plot
phasetheta.pro  PTA phase pattern at fixed elevation
dftheta.pro Doppler due to PTA phase pattern
spinplot.pro  plots descent spin profile
fr_contributions.pro plots Doppler contributions
lh.pro plots LH atmospheric model
rho_n.pro plots density and refractivity of Titan neutral atmosphere and ionosphere
acc_contributions.pro plots error contributions
recov.pro plots recovered wind profile
lon.pro plots evolution of longitude
recovtest.pro plots results of algorithm verification
oscoff.pro displays DWE calibration summarizing results of ana.pro

Other programs

IDL programs:
ncoperf.pro Compares carrier frequency measurements before and after USO integration
usoperf.pro USO performance parameters at unit level
hk3.pro HK3 parameters
psa.pro PSA parameters
dwe.pro DWE parameters
hk.pro selected parameters
ncoapow.pro calculates FFT of NCO
powspec.pro displays FFT of NCO
nco_agc.pro NCO-AGC analysis
fft_ncoagc.pro produces NCO and AGC plots and computes FFT of NCO and AGC
ncoa+spectrum.pro combined plot of NCO and its FFT
ncoosc_vs_agc.pro Analysis of correlation between NCO oscillations and AGC
dpp.pro dynamic power plot
dpp_color.pro DPP color version
dpp+agc.pro modified version of dpp.pro, includes AGC display
dpp+agc_prt.pro modified version of dpp+agc.pro
plotpow.pro analysis of relation between USO spurious lines
plotpow_caption.pro explanation of colors used in plotpow.pro
froffset_vs_temp.pro analysis of delayed system lock on chain A
ana.pro analysis of PCO carrier frequency measurement (freq., drift, Osc. amplitude, Allan deviation)
bplane_c.pro creates color version of B-plane figure
calswitch.pro performs DWE calibration of carrier Doppler compensation using PRT switch of receiver modes
amplpol.pro PTA antenna pattern polar plot
ampltheta.pro PTA antenna pattern at fixed elevation
mc.pro Analysis of HGA pointing error effect (obsolete with new mission scenario)

Programs to analyze USO spurious emissions:
fdisp_servo.c
fdisp.c
fstable-fsweep.c
fdisp2.c
fsample.c
n_us.c
fsource.c

Programs for PCO and PRT analysis:
bltime.c searches block with specified time in PSA- or Probe-HK raw data
hk3.c used to retrieve data from Probe-HK3 stream
hk1.c used to retrieve data from Probe-HK1 stream
hk2.c used to retrieve data from Probe-HK2 stream
hkblock.c displays raw data of Probe-HK block
psablock.c displays raw data of PSA-HK block
psa.c used to retrieve data from PSA-HK stream