フィルターのクリア

Does MATLAB code retain its accuracy when is executed in dsp kit?

1 回表示 (過去 30 日間)
Georges Theodosiou
Georges Theodosiou 2021 年 2 月 8 日
Ladies, Gentlemen,
Please let me say you that following code when is executed in MATLAB online R2020b its resaults have excellent accuracy. Is it possible retain its accuracy when is executed in dsp kit?
SampFreq = 16000;
Segm = 1:1600;
%% Generates signal
FirstHarmFreq = 101;
FirstHarmAngles = FirstHarmFreq*2*pi/SampFreq*Segm+(1.9*pi);
SinFirstHarmAngles = sin(FirstHarmAngles);
SecondHarmAngles = FirstHarmFreq*2*2*pi/SampFreq*Segm+(0.9*pi);
SinSecondHarmAngles = sin(SecondHarmAngles);
ThirdHarmAngles = FirstHarmFreq*3*2*pi/SampFreq*Segm+(0.3*pi);
SinThirdHarmAngles = sin(ThirdHarmAngles);
Xn = SinFirstHarmAngles+SinSecondHarmAngles+SinThirdHarmAngles;
%% DFT Grid
fftFirstHarm = 110;
LowerLimit = fftFirstHarm-10;
UpperLimit = fftFirstHarm+10;
TestFreqs = LowerLimit:0.1:UpperLimit;
TestPowerSpectrum = ones(1,201);
for m = 1:201
TestAngles = TestFreqs(m)*2*pi/SampFreq*Segm;
XnCos = sum(Xn.*cos(TestAngles));
XnSin = sum(Xn.*-sin(TestAngles));
TestPowerSpectrum(m) = XnCos.^2+XnSin.^2;
end
[maxPowerSpectrum, testFreqIndex] = max(TestPowerSpectrum);
fundFreq = TestFreqs(testFreqIndex);
disp(fundFreq);

回答 (0 件)

カテゴリ

Help Center および File ExchangeDigital Filter Design についてさらに検索

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!

Translated by