MATLAB 编程中的雷达数据处理代码调试

clear\u0020all\ndata\u003dreadDCA1000\u0028\u0027matlab_lab_adc_data.bin\u0027\u0029;\nframe_cnt\u003dsize\u0028data,\u00201\u0029/128;\nlightSpeed\u003d300000000;\nSample_Rate_Hz\u003d10;\nSlope_Hz\u003d2.998210^16;\nChirp_repetition\u003d0.04;\nStart_Frequency_Hz\u003d7710^12;\nSamples_Per_Chirp\u003d540;\nChirps_Per_Frame\u003d128;\nTx_antennas\u003d1;\nlambda\u003dlightSpeed/Start_Frequency_Hz;\nfftSize1D\u003d256;\nfftSize2D\u003d128;\nrange_step\u003d\u0028\u0028Sample_Rate_Hz/Samples_Per_Chirp\u0029/Slope_Hz\u0029*\u0028lightSpeed/2\u0029Samples_Per_Chirp/fftSize1D;\nvel_step\u003d\u0028\u00281/\u0028Chirp_repetitionTx_antennas\u0029\u0029/Chirps_Per_Frame\u0029*\u0028lambda/2\u0029Chirps_Per_Frame/fftSize2D;\nvel_axis\u003d\u0028-fftSize2D/2:fftSize2D/2-1\u0029vel_step;\nrange_axis\u003d\u00280:fftSize1D-1\u0029range_step;\ntime_axis\u003d\u00280:fftSize1D-1\u0029/Sample_Rate_Hz;\nrecv1_data\u003dzeros\u0028256,\u0020frame_cnt\u0029;\nfor\u0020i\u003d1:frame_cnt\n\u0020\u0020recv1_data\u0028:,\u0020i\u0029\u003ddata\u0028\u0028i-1\u0029256+1:i256\u0029;\nend\nrecv1_frame_data\u003dzeros\u0028frame_cnt,\u0020256,\u0020Chirps_Per_Frame\u0029;\nfor\u0020i\u003d1:frame_cnt\n\u0020\u0020recv1_frame_data\u0028i,\u0020:,\u0020:\u0029\u003dreshape\u0028recv1_data\u0028:,\u0020\u0028i-1\u0029Chirps_Per_Frame+1:iChirps_Per_Frame\u0029,\u0020256,\u0020Chirps_Per_Frame\u0029;\nend\nwindow_1D\u003dhann\u0028256\u0029;\nradar_data_1dFFT\u003dfft\u0028squeeze\u0028recv1_frame_data\u00281,\u0020:,\u0020:\u0029\u0029.window_1D,\u0020fftSize1D\u0029;\nradar_data_2dFFT\u003dfft\u0028radar_data_1dFFT,\u0020Chirps_Per_Frame,\u00202\u0029;\nradar_data_2dFFT_fftshift\u003dfftshift\u0028radar_data_2dFFT,\u00202\u0029;\n\nimagesc\u0028vel_axis,\u0020range_axis,\u002010log10\u0028abs\u0028radar_data_2dFFT_fftshift\u0029+1\u0029\u0029;\nview\u00280,\u0020270\u0029\nylabel\u0028\u0027range\u0020\u0028meters\u0029\u0027\u0029;\nxlabel\u0028\u0027velocity\u0020\u0028meters/sec\u0029\u0027\u0029;\nzlabel\u0028\u00272D\u0020FFT\u0020Output\u0020\u0028dB\u0029\u0027\u0029;\ntitle\u0028\u00272D\u0020FFT\u0020amplitude\u0020profile\u0027\u0029\n\nTc\u003dChirp_repetition;\nTf\u003dChirps_Per_FrameTc;\n\nvel_resolution\u003dlambda/Tc/4;\ndisp\u0028vel_resolution\u0029;\n\nmax_vel\u003dlambda/\u00282Tf\u0029;\ndisp\u0028max_vel\u0029;\n\nfunction\u0020[retVal]\u003dreadDCA1000\u0028fileName\u0029\n\u0020\u0020numADCSamples\u003d256;\n\u0020\u0020numADCBits\u003d16;\n\u0020\u0020numRX\u003d4;\n\u0020\u0020numLanes\u003d2;\n\u0020\u0020isReal\u003d0;\n\n\u0020\u0020fid\u003dfopen\u0028fileName,\u0020\u0027r\u0027\u0029;\n\u0020\u0020adcData\u003dfread\u0028fid,\u0020\u0027int16\u0027\u0029;\n\u0020\u0020if\u0020numADCBits~=16\n\u0020\u0020\u0020\u0020l_max\u003d2^\u0028numADCBits-1\u0029-1;\n\u0020\u0020\u0020\u0020adcData\u0028adcData>l_max\u0029\u003dadcData\u0028adcData>l_max\u0029-2^numADCBits;\n\u0020\u0020end\n\u0020\u0020fclose\u0028fid\u0029;\n\n\u0020\u0020fileSize\u003dsize\u0028adcData,\u00201\u0029;\n\u0020\u0020if\u0020isReal\n\u0020\u0020\u0020\u0020numChirps\u003dfileSize/\u0028numADCSamplesnumRX\u0029;\n\u0020\u0020\u0020\u0020LVDS\u003dreshape\u0028adcData,\u0020numADCSamplesnumRX,\u0020numChirps\u0029.';\n\u0020\u0020else\n\u0020\u0020\u0020\u0020numChirps\u003dfileSize/2/\u0028numADCSamplesnumRX\u0029;\n\u0020\u0020\u0020\u0020LVDS\u003dzeros\u00281,\u0020fileSize/2\u0029;\n\u0020\u0020\u0020\u0020counter\u003d1;\n\u0020\u0020\u0020\u0020for\u0020i\u003d1:4:fileSize-1\n\u0020\u0020\u0020\u0020\u0020\u0020LVDS\u00281,\u0020counter\u0029\u003dadcData\u0028i\u0029+sqrt\u0028-1\u0029adcData\u0028i+2\u0029;\n\u0020\u0020\u0020\u0020\u0020\u0020LVDS\u00281,\u0020counter+1\u0029\u003dadcData\u0028i+1\u0029+sqrt\u0028-1\u0029adcData\u0028i+3\u0029;\n\u0020\u0020\u0020\u0020\u0020\u0020counter\u003dcounter+2;\n\u0020\u0020\u0020\u0020end\n\u0020\u0020\u0020\u0020LVDS\u003dreshape\u0028LVDS,\u0020numADCSamplesnumRX,\u0020numChirps\u0029.';\n\u0020\u0020end\n\n\u0020\u0020adcData\u003dzeros\u0028numRX,\u0020numChirpsnumADCSamples\u0029;\n\u0020\u0020for\u0020row\u003d1:numRX\n\u0020\u0020\u0020\u0020for\u0020i\u003d1:numChirps\n\u0020\u0020\u0020\u0020\u0020\u0020adcData\u0028row,\u0020\u0028i-1\u0029numADCSamples+1:inumADCSamples\u0029\u003dLVDS\u0028i,\u0020\u0028row-1\u0029numADCSamples+1:rownumADCSamples\u0029;\n\u0020\u0020\u0020\u0020end\n\u0020\u0020end\n\u0020\u0020retVal\u003dadcData;\nend