代码搜索：dft
找到约 1,890 项符合「dft」的源代码
代码结果 1,890
www.eeworm.com/read/159517/10644714
c dft.c
/* dft.c - N-point DFT of length-L real-valued signal */
#include /* complex arithmetic */
void dtftr(); /* DTFT's over a f
www.eeworm.com/read/276742/10710966
h dft.h
/* dft.h - function prototypes and structures for dft and fft functions */
/* COMPLEX STRUCTURE */
typedef struct {
float real, imag;
} COMPLEX;
/* function prototypes for dft and inver
www.eeworm.com/read/276742/10711083
c dft.c
www.eeworm.com/read/158826/10725111
m dft.m
function X=dft(x,N)
w=2*pi/N;
for k=1:N
X(k)=0;
for n=1:N
X(k)=X(k)+x(n)*exp(-j*w*k*n);
end
end
www.eeworm.com/read/158750/10731404
m dft.m
function [Xk] = dft(xn,N)
% Computes Discrete Fourier Transform
% -----------------------------------
% [Xk] = dft(xn,N)
% Xk = DFT coeff. array over 0
www.eeworm.com/read/275153/10834487
dft traxedit.dft
PROTEL DEFAULT 1.10A
12
1
257
1
6154
15440
-12278
10760
-32754
268
9
1
14
1
10
2
-12278
2
16408
10130
25
15340
1
2
4
1
7
3584
6000
3888
15
-12288
14
1
4
8
65
15
www.eeworm.com/read/418219/10957951
gif dft.gif
www.eeworm.com/read/271552/10989708
c dft.c
#include
#include
#include
// Rearrange the quadrants of Fourier image so that the origin is at
// the image center
// src & dst arrays of equal size & type
void cvShift
www.eeworm.com/read/453591/6946861
m dft.m
function fc = dft(N,f)
h = 2*pi/N; x=[0:h:2*pi*(1-1/N)]; fx = eval(f); wn = exp(-i*h);
for k=0:N-1,
s = 0;
for j=0:N-1
s = s + fx(j+1)*wn^((k-N/2)*j);
end
fc (k+1) = s/N;
end
www.eeworm.com/read/447526/7067997