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大小: 64KB文件類型: .zip金幣: 1下載: 0 次發(fā)布日期: 2021-01-09
- 語(yǔ)言: Matlab
- 標(biāo)簽:
資源簡(jiǎn)介
matlab開(kāi)發(fā)-PSD功率譜密度和振幅譜,可調(diào)節(jié)。FFT計(jì)算一維信號(hào)的PSD和單邊幅度譜y[f]
代碼片段和文件信息
%?SPECTRAL?ANALYSIS
%?Demo?application?of?the?FFT?function
%?????????????????[fy]=FFT(yFs)
%
%?(c)KHMOU?Youssef?;?Signal?Processing?2013
clearclc
close?all
%?Info?Display=============================================================
%?1st?Part?:?we?compute?the?spectrum?of?sinusoidal?signal?with?frequency?Fc
fprintf(‘?Welcome?to?this?demonstration?of?using?the?function?FFT?:??\n\n\n‘)
fprintf(‘?This?simple?demo?is?divided?into?2?parts?:\n‘);
fprintf(‘?1st?Part?:??we?compute?the?fft?of?an?analytic?signal?Y(t)?of?2?secondes?\n‘);
fprintf(‘?Y(t)=?Ampiltude?*?exp?(?j*?2?*?pi?*?t?*?Fc)\n‘);
fprintf(‘?2nd?Part?:??we?compute?the?fft?of?the?squared??Y(t)瞈n‘);
fprintf(‘?Type??“return“?to?begin?:?\n\n‘);
keyboard;
clc
f1=input(‘?Enter?a?Fundamental?frequency??Fc?of?the
?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????文件????????2829??2013-01-25?10:32??Demo_FFT.m
?????文件????????3749??2013-09-03?17:56??FFT.m
?????文件???????80493??2013-09-03?17:59??KHMOU_Demo_Fast_Fourier_Transform.jpg
?????文件????????1313??2014-02-12?14:33??license.txt
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