代码搜索：如何学习 FFt？
找到约 10,000 项符合「如何学习 FFt？」的源代码
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www.eeworm.com/read/158443/11615911
c convlv.c
#include "nrutil.h"
void convlv(data,n,respns,m,isign,ans)
float ans[],data[],respns[];
int isign;
unsigned long m,n;
{
void realft(),twofft();
unsigned long i,no2;
float dum,mag2,*fft;
www.eeworm.com/read/259817/11763241
log cc_build_debug.log
------------------------------ FFT.pjt - Debug ------------------------------
Build Complete,
0 Errors, 0 Warnings, 0 Remarks.
www.eeworm.com/read/154843/11923514
m melbankm.m
function [x,mn,mx]=melbankm(p,n,fs,fl,fh,w)
%MELBANKM determine matrix for a mel-spaced filterbank [X,MN,MX]=(P,N,FS,FL,FH,W)
%
% Inputs: p number of filters in filterbank
% n length of fft
www.eeworm.com/read/150238/12302736
m melbankm.m
function [x,mn,mx]=melbankm(p,n,fs,fl,fh,w)
%MELBANKM determine matrix for a mel-spaced filterbank [X,MN,MX]=(P,N,FS,FL,FH,W)
%
% Inputs: p number of filters in filterbank
% n length of fft
www.eeworm.com/read/336521/12439565
m melbankm.m
function [x,mn,mx]=melbankm(p,n,fs,fl,fh,w)
%MELBANKM determine matrix for a mel-spaced filterbank [X,MN,MX]=(P,N,FS,FL,FH,W)
%
% Inputs: p number of filters in filterbank
% n length of fft
www.eeworm.com/read/228372/14387986
m melbankm.m
function [x,mn,mx]=melbankm(p,n,fs,fl,fh,w)
%MELBANKM determine matrix for a mel-spaced filterbank [X,MN,MX]=(P,N,FS,FL,FH,W)
%
% Inputs: p number of filters in filterbank
% n length of fft
www.eeworm.com/read/125987/14453098
changelog
1.2.1 (April 4, 2004)
compiles cleanly with just about every -W warning flag under the sun
reorganized kiss_fft_state so it could be read-only/const. This may be useful for embedded systems
www.eeworm.com/read/124229/14585445
changelog
1.2.1 (April 4, 2004)
compiles cleanly with just about every -W warning flag under the sun
reorganized kiss_fft_state so it could be read-only/const. This may be useful for embedded systems
www.eeworm.com/read/223158/14651526
m melbankm.m
function [x,mn,mx]=melbankm(p,n,fs,fl,fh,w)
%MELBANKM determine matrix for a mel-spaced filterbank [X,MN,MX]=(P,N,FS,FL,FH,W)
%
% Inputs: p number of filters in filterbank
% n length of fft
www.eeworm.com/read/221157/14757045
m exa4_1.m
t=0:0.001:3;u=cos(300*t)+cos(200*t);
U=fft(u);
plot(abs(U));