代码搜索：Fir 开发教程
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paf fir.paf
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c fir.c
#include"math.h"
#define FIRNUMBER 25
#define SIGNAL1F 1000
#define SIGNAL2F 4500
#define SAMPLEF 10000
#define PI 3.1415926
float InputWave();
float FIR();
float fHn[FIRNUMBER]={ 0.0,0
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cmd fir.cmd
/*
* Copyright 2001 by Texas Instruments Incorporated.
* All rights reserved. Property of Texas Instruments Incorporated.
* Restricted rights to use, duplicate or disclose this code are
*
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pjt fir.pjt
; Code Composer Project File, Version 2.0 (do not modify or remove this line)
[Project Settings]
ProjectDir="D:\ti\myprojects\fir\"
ProjectType=Executable
CPUFamily=TMS320C54XX
Tool="Compiler"
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cmd fir.cmd
/*
* Copyright 2001 by Texas Instruments Incorporated.
* All rights reserved. Property of Texas Instruments Incorporated.
* Restricted rights to use, duplicate or disclose this code are
* gran
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c fir.c
/***************************************************************************/
/* */
/* Experiement1 . C
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out fir.out
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pjt fir.pjt
; Code Composer Project File, Version 2.0 (do not modify or remove this line)
[Project Settings]
ProjectDir="C:\ti\myprojects\Fir\"
ProjectType=Executable
CPUFamily=TMS320C67XX
Tool="Compiler"
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c fir.c
//Fir.c FIR filter. Include coefficient file with length N
#include "bs2700.cof" //coefficient file BS @ 2700Hz
int yn = 0; //initialize filter's output
short dly[N];
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m fir.m
clear all
clc
n=0:127; N=length(n); % When N become bigger,bigger precision
n1=0:255; N1=length(n1);
M=(N1-N)/2;
w=2*pi*[0:1/(N1-1):1];
wc=0.2*pi; % cutoff frequency
alpha=(N-1)/2;
w_1=boxca