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
代码结果 10,000
www.eeworm.com/read/186973/8887356
m c102.m
N=512;
f=[ones(1,5) zeros(1,N-9) ones(1,4)];
F=fft(f);
r=0:N-1;
W=r.*2*pi/512
plot(W,F);
xlabel('W');ylabel('F(W)');
grid on;
www.eeworm.com/read/428105/8894959
m circonv.m
function y=circonv(x1,x2,N)
if length(x1)>N
error('N must not be less than length of x1');
end
if length(x2)>N
error('N must not be less than length of x2');
end
X1k=fft(x1,N);
www.eeworm.com/read/427927/8911958
asv qiuzhi.asv
function [A,P,A1,P1,A0,P0,y]=qiuzhi(S,N,sys,Fs)
%sysd=c2d(sys,1/Fs,'tustin');
[num,den]=tfdata(sysd,'v');
y=filter(num,den,S);
ham=hamming(N+1);%加窗函数
%S=S.*ham';
%y=y.*ham';
Y = fft(S,N); %做F
www.eeworm.com/read/427927/8911964
m qiuzhi.m
function [A,P,A1,P1,A0,P0,y]=qiuzhi(S,N,num,den)
%sysd=c2d(sys,1/Fs,'tustin');
%[num,den]=tfdata(sysd,'v');
y=filter(num,den,S);
ham=hamming(N+1);%加窗函数
%S=S.*ham';
%y=y.*ham';
Y = fft(S,N); %
www.eeworm.com/read/284604/8913985
m exa090300_2.m
%-----------------------------------------------------------------------------
% exa090300_2.m, for fig. 9.3.2,
%-----------------------------------------------------------------------------
clea
www.eeworm.com/read/186118/8958837
c sh506.c
#include
#include
#include
#include
#define uint unsigned int
#define uchar unsigned char
uint x0,x1,x2,x3,x4,x5,x6;
int L,i,j,k,b,p;
uchar w[3];
uint
www.eeworm.com/read/185936/8972200
pas df2.pas
unit df2;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls;
type
TForm1 = class(TForm)
Button1: TButton;
Edit1: T
www.eeworm.com/read/185936/8972205
~pas df2.~pas
unit df2;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls;
type
TForm1 = class(TForm)
Button1: TButton;
Edit1: T
www.eeworm.com/read/185920/8973192
m filterchannel.m
function y=filterchannel(X,h)
N=length(X(:,1));
W=length(X(1,:));
%H=1;%sigle carrier
H=fft(h,N);% dmt
invH=1./H;
for k=1:W
y(:,k)=invH.*X(:,k);
end
y;
www.eeworm.com/read/283938/8978543
m dembisp.m
%D_BISP HOSA Demo: Estimating the Bispectrum (Direct & Indirect methods)
% and Bicoherence (auto and cross)
% demos of bispecd, bispeci, bicoher, bispecdx, bicoherx
%
echo of