代码搜索:FFt 有哪些应用?
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dbp fft.dbp
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psp fft.psp
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qsf fft.qsf
# Copyright (C) 1991-2007 Altera Corporation
# Your use of Altera Corporation's design tools, logic functions
# and other software and tools, and its AMPP partner logic
# functions, and any outpu
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c fft.c
#include "xparameters.h"
#include "math.h"
#include "xtmrctr.h"
#include "xintc.h"
#define MAX 128
int m =0;
int n =MAX;
double rin[MAX]; // Real part of input
dou
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c fft.c
#include "myapp.h"
#include "ICETEK-VC5509-EDU.h"
#include "scancode.h"
#include
#define PI 3.1415926
#define SAMPLENUMBER 128
void InitForFFT();
void MakeWave();
int INPUT[SAMP
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c fft_a.c
/*
fft_a.c - Radix 2 decimation in time FFT
Using C55x C intrinsics to perform in place FFT,
the output overwrite the input array
*/
#include "icomplex.h"
#include
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asm fft.asm
;
; fft.asm - Radix-2 complex FFT (for N=2^EXP points)
; Using table lookup method
;
; Prototype: void fft(complex *, int, complex *, int);
;
;
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c fft.c
#include
#include
#include
#define PI 3.14159265358979323846
struct COMPLEX
{
float re;
float im;
} cplx , * Hfield , * S , * R , * w;
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c fft.c
/*
*
* FFT.c
*
* Based on FFT.cpp from Audacity, which contained the following text:
*
* This file contains a few FFT routines, including a real-FFT
* routine that is almost twice as fa
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