代码搜索:如何学习 FFt?
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mak fft.mak
/************* Code Composer V1 Project Data ********************
The following section contains data generated by Code Composer
to store project information like build options, source filenames
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obj fft.obj
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asm fft.asm
;-------------------------------------------------------------------------------------------------
;重庆大学DSP实验室
;函数名:void fft(void)
;功能:实现32、64或128采样点的快速傅立叶变换
;入口条件:Q15
; _sintab 存放FFT运算中用到的sin
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c fft.c
/////////////////////////////////////////////////
// Example For ICETEK-VC5416-EDU //
// CTR Version : V4 //
// Filename: FFT.c
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s fft.s
AREA fft_non,CODE,READONLY
N equ 128
N1 equ 7
sf equ 30
import getsin
import getcos
export fft
import ar
import ai
; export i
export k
row equ 128
col equ 128
fft
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o fft.o
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c fft.c
#include"stdio.h"
#include"alloc.h"
#include"stdlib.h"
#include"math.h"
#include"graphics.h"
void reSort(double array[],int length);
void main(){
int N, /*采样点数目*/
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cpp fft.cpp
#include
#include
#include
#define PI 3.1415926
#define MAX 100
void main()
{int i=0;
int *m=NULL;
int *N=NULL;
float x[MAX],y[MAX];
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pjt fft.pjt
; Code Composer Project File, Version 2.0 (do not modify or remove this line)
[Project Settings]
ProjectDir="E:\Realtimedsp\Demos\ICETEK-VC5509-A\Lab0503-FFT\"
ProjectType=Executable
CPUFamily=T
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