www.gusucode.com > phased 案例源码 matlab代码程序 > phased/RangeDopplerResponseOfFMCWSignalExample.m
%% Range-Doppler Response of FMCW Signal % Compute the range-Doppler response % of an FMCW signal using an FFT. % Copyright 2015 The MathWorks, Inc. %% % Load data for an FMCW signal that has not been dechirped. The % signal contains the return from a target about 2200 m away. % The signal has a normalized Doppler frequency of approximately % -0.36 relative to the radar. load RangeDopplerExampleData; %% % Create a range-Doppler response object. hrdresp = phased.RangeDopplerResponse(... 'RangeMethod','FFT',... 'PropagationSpeed',RangeDopplerEx_Dechirp_PropSpeed,... 'SampleRate',RangeDopplerEx_Dechirp_Fs,... 'DechirpInput',true,... 'SweepSlope',RangeDopplerEx_Dechirp_SweepSlope); %% % Plot the range-Doppler response. plotResponse(hrdresp,... RangeDopplerEx_Dechirp_X,RangeDopplerEx_Dechirp_Xref,... 'Unit','db','NormalizeDoppler',true)