56 lines
3.1 KiB
C
56 lines
3.1 KiB
C
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#include <stdio.h>
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#include <stdlib.h>
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#include <complex.h>
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#include "polcal.h"
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/**
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* Perform polarimetric calibration on ALOS PALSAR data.
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*
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* @param hhFile the name of the file containing the focused HH polarity SAR data
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* @param hvFile the name of the file containing the focused HV polarity SAR data
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* @param vhFile the name of the file containing the focused VH polarity SAR data
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* @param vvFile the name of the file containing the focused VV polarity SAR data
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* @param hhOutFile the name for the output file for the polarimetrically corrected HH polarity SAR data
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* @param hvOutFile the name for the output file for the polarimetrically corrected HV polarity SAR data
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* @param vhOutFile the name for the output file for the polarimetrically corrected VH polarity SAR data
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* @param vvOutFile the name for the output file for the polarimetrically corrected VV polarity SAR data
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* @param tcrossTalk1Real the real part of the first transmission cross-talk parameter
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* @param tcrossTalk2Real the real part of the second transmission cross-talk parameter
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* @param tchannelImbalanceReal the real part of the transmitted channel imbalance
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* @param tcrossTalk1Imag the imaginary part of the first transmission cross-talk parameter
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* @param tcrossTalk2Imag the imaginary part of the second transmission cross-talk parameter
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* @param tchannelImbalanceImag the imaginary part of the transmitted channel imbalance
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* @param rcrossTalk1Real the real part of the first reception cross-talk parameter
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* @param rcrossTalk2Real the real part of the second reception cross-talk parameter
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* @param rchannelImbalanceReal the real part of the received channel imbalance
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* @param rcrossTalk1Imag the imaginary part of the first reception cross-talk parameter
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* @param rcrossTalk2Imag the imaginary part of the second reception cross-talk parameter
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* @param rchannelImbalanceImag the imaginary part of the received channel imbalance
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* @param samples the number of samples in the range direction
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* @param lines the number of samples in the azimuth direction
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*/
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int
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polcal(char *hhFile, char *hvFile, char *vhFile, char *vvFile,
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char *hhOutFile,char *hvOutFile,char *vhOutFile,char *vvOutFile,
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float tcrossTalk1Real, float tcrossTalk2Real, float tchannelImbalanceReal,
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float tcrossTalk1Imag, float tcrossTalk2Imag, float tchannelImbalanceImag,
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float rcrossTalk1Real, float rcrossTalk2Real, float rchannelImbalanceReal,
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float rcrossTalk1Imag, float rcrossTalk2Imag, float rchannelImbalanceImag,
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int samples, int lines)
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{
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struct distortion transmission, reception;
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transmission.crossTalk1 = tcrossTalk1Real + tcrossTalk1Imag*I;
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transmission.crossTalk2 = tcrossTalk2Real + tcrossTalk2Imag*I;
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transmission.channelImbalance = tchannelImbalanceReal + tchannelImbalanceImag*I;
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reception.crossTalk1 = rcrossTalk1Real + rcrossTalk1Imag*I;
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reception.crossTalk2 = rcrossTalk2Real + rcrossTalk2Imag*I;
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reception.channelImbalance = rchannelImbalanceReal + rchannelImbalanceImag*I;
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polarimetriccalibration_(hhFile,hvFile,vhFile,vvFile,
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hhOutFile,hvOutFile,vhOutFile,vvOutFile,
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&transmission,&reception,&samples,&lines);
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return 0;
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}
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