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/333698/12664686
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/330869/12863266
m demo_wigner4.m
function demo_wigner4(x, y)
% demo_wigner4 -- show some properties of the type 4 Wigner distribution
%
% Usage
% demo_wigner4(x, y)
%
% Inputs
% x one signal (odd length), optional
% y
www.eeworm.com/read/326070/13167902
txt readme.txt
****************************************************************************
ADSP-BF535 Complex FFT Demo
Analog Devices, Inc.
DSP Division
Three Technology Way
P.O. Box 9106
Norwood, MA 0206
www.eeworm.com/read/320176/13431568
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/320172/13431661
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/308422/13701682
m myditifft.m
function y=myditifft(A)
N=length(A);
B=A';
C=myditfft(B);
D=C';
y=D*(1/N);
%这里运用了fft与ifft的关系，即先将X(k)取复共轭，再对其进行fft变换，
%然后将变换后的结果去复共轭再乘以1/N即得原序列x(n).
www.eeworm.com/read/304082/13801493
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/126430/6016702
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/102423/6232371
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/310630/6343721
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