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code runs properly but the variables in workspace are not shown, How to resolve this issue?

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Aqeel Awan
Aqeel Awan 2021-7-7
回答： Yazan 2021-7-7
% Matched Filter Probability of Detection
clear
mySNR = -30:30;
find_PD_MF(10,mySNR);
function find_PD_MF(threshold,snr)
waveform = phased.LinearFMWaveform('PulseWidth',1e-4,'PRF',5e3,...
'SampleRate',1e6,'OutputFormat','Pulses','NumPulses',1,...
'SweepBandwidth',1e5);
wav = getMatchedFilter(waveform);
inputSignal = waveform();
taylorfilter = phased.MatchedFilter('Coefficients',wav,...
'SpectrumWindow','Taylor');
N= length(inputSignal);
for i = 1:length(snr)
filtredSignal_taylor = abs(taylorfilter(awgn(inputSignal,snr(i))));
PD(100) = 0;
for j=1:100
highValue = filtredSignal_taylor > threshold;
PD(j) = sum(highValue)/N;
end
Pd = sum(PD)/100;
disp(pd);
plot(snr(i),Pd,'r+');
hold on
title('Matched Filter')
xlabel('SNR (db)')
ylabel('Probaility of Detection')
end
hold off
end

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采纳的回答

Yazan
Yazan 2021-7-7
find_PD_MF is a Matlab function. You declared your function without outputs. Therefore, Matlab will not return any output of your function to the workspace. Declare one or more outputs to return them to the workspace.
Example: A function that takes two inputs threshold and snr and return an output Pd to the workspace.
function Pd = find_PD_MF(threshold, snr)
% write your function
pd = threshold/snr;
end

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