代码搜索：FFt 有哪些应用？
找到约 10,000 项符合「FFt 有哪些应用？」的源代码
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www.eeworm.com/read/137091/13346012
obj fft.obj
www.eeworm.com/read/137091/13346023
c fft.c
#include "typedef.h"
#include "math.h"
struct compx EE(struct compx b1,struct compx b2)
{
struct compx b3;
b3.real=b1.real*b2.real-b1.imag*b2.imag;
b3.imag=b1.real*b2.imag+b1.imag*b2.real;
re
www.eeworm.com/read/137090/13346212
obj fft.obj
www.eeworm.com/read/137090/13346218
c fft.c
#include "typedef.h"
#include "math.h"
struct compx EE(struct compx b1,struct compx b2)
{
struct compx b3;
b3.real=b1.real*b2.real-b1.imag*b2.imag;
b3.imag=b1.real*b2.imag+b1.imag*b2.real;
re
www.eeworm.com/read/137070/13346862
txt fft.txt
72. 函数名：_FFT
功能：FFT变换
用法：void _FFT(double *fr, double *fi, int n, int flag)
参数：fr：采样点的实数表，fi：采样点的虚数表，n：采样点个数，flag：flag=0表示求Fourier变换，flag=1表示求逆Fourier变换
返回：无
void _FFT(double *fr, doub
www.eeworm.com/read/136707/13364729
h fft.h
#ifndef NTL_FFT__H
#define NTL_FFT__H
#include
#include
NTL_OPEN_NNS
#define NTL_FFTFudge (4)
// This constant is used in selecting the correct
// number o
www.eeworm.com/read/136707/13364867
cpp fft.cpp
#include
#include
NTL_START_IMPL
long NumFFTPrimes = 0;
long *FFTPrime = 0;
long **RootTable = 0;
long **RootInvTable = 0;
long **TwoInvTable = 0;
doubl
www.eeworm.com/read/322687/13371462
m fft.m
%计算Wj的值
w=zeros(1,10);
for n=1:10
w(n)=exp(-2*pi*i/2^n);
end;
T=[1 1;1 -1];
for n=1:9
kn=zeros(1,2^n);
kn(1)=1;
for m=1:2^n-1
kn(m+1)=w(n+1)^m;
end
www.eeworm.com/read/136277/13384180
c fft.c
/*
* fft.c
*
* Version 2.6 by Steve Sampson, Public Domain, November 1988
*
* This program produces a Frequency Domain display from the Time Domain
* data input; using the Fast Fourier Transform
www.eeworm.com/read/321848/13395233
pjt fft.pjt
; Code Composer Project File, Version 2.0 (do not modify or remove this line)
[Project Settings]
ProjectName="sci"
ProjectDir="D:\2812\3.4.3 FFT\"
ProjectType=Executable
CPUFamily=TMS320C28XX