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www.eeworm.com/read/424685/10426638

m fir.m

[a,fs]=wavread('现在语音处理技术.wav');%读入宁波大学语音 a=a(:,1); FS=length(a); f=0:fs/FS:(FS-1)*fs/FS; %进行FFT变换 x=fft(a); figure(1) plot(f,abs(x));title('原始信号a的fft图'); axis([0 45000 0 1000]); xlabel('f')
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www.eeworm.com/read/353048/10475848

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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www.eeworm.com/read/353048/10475864

cmd fir.cmd

fir.obj -m fir.map -o fir.out MEMORY { PAGE 0: ROM1(RIX) :ORIGIN=0080H,LENGTH=100H PAGE 1: INTRAM1(RW) :ORIGIN=2400H,LENGTH=0200H INTRAM2(RW) :ORIGIN=260
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www.eeworm.com/read/353048/10475870

map fir.map

****************************************************************************** TMS320C54x COFF Linker PC Version 3.70 ******************************************************
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www.eeworm.com/read/353048/10475878

asm fir.asm

;一个FIR滤波器源程序 fir.asm .mmregs .global start .def start,_c_int00 INDEX .set 1 KS .set 256 ;模拟输入数据缓冲区大小 N .set 17 COFF_FIR .sec
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www.eeworm.com/read/353048/10475881

out fir.out

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www.eeworm.com/read/278816/10504358

c fir.c

/* fir.c - FIR filter in direct form */ double fir(M, h, w, x) /* Usage: y = fir(M, h, w, x); */ double *h, *w, x; /* \(h\) = filter, \(w\) = state, \
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www.eeworm.com/read/160574/10517660

obj fir.obj

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www.eeworm.com/read/160574/10517675

h fir.h

void Fir( Word16 *Input, // 原始输入数据 Word16 *Output, // FIR滤波输出结果 Word16 *Fir_Coef, // FIR滤波器系数 Word16 *Fir_Memory, // FIR滤波器状态 Word16 order, // FIR滤波器阶数 Word16 len
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www.eeworm.com/read/160574/10517691

c fir.c

#include "typedef.h" #include "Fir.h" void Fir( Word16 *Input, // 原始输入数据 Word16 *Output, // FIR滤波输出结果 Word16 *Fir_Coef, // FIR滤波器系数 Word16 *Fir_Memory, // FIR滤波器状态 W
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