代码搜索：如何学习 Fir？
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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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m fir.m
%
% FIR filter design using Hamming window
%
ORD1=511;
F=8000;
N=128;
x=(0:127)/256*F;
% Nth order Lowpass
f1=1200;
Wn=f1/F*2;
blp=fir1(ORD1,Wn);
BLP=blp*32767;
m=freqz(blp,1,N);
plot(x
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v fir.v
module fir(clk,x,y);
input[7:0] x;
input clk;
output[15:0] y;
reg[15:0] y;
reg[7:0] tap0,tap1,tap2,tap3,tap4,tap5,tap6,tap7,tap8,tap9,tap10;
reg[7:0] t0,t1,t2,t3,t4,t5;
reg[15:0] sum;
always
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mpf fir.mpf
; Copyright Mentor Graphics Corporation 2005
;
; All Rights Reserved.
;
; THIS WORK CONTAINS TRADE SECRET AND PROPRIETARY INFORMATION WHICH IS THE PROPERTY OF
; MENTOR GRAPHICS CORPORATION OR IT
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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\lab0501-FIR\"
ProjectType=Executable
CPUFamily=TMS320C54XX
Tool="Co
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paf fir.paf
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cmd fir.cmd
-w
-stack 400h
-heap 100
-l rts.lib
MEMORY
{
PAGE 0:
VECT : o=80h,l=80h
PRAM : o=100h,l=1f00h
PAGE 1:
DRAM : o=2000h,l=1000h
}
SECTIONS
{
.text : {}> PRAM
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wks fir.wks
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c fir.c
#include
#define FIRNUMBER 25
#define SIGNAL1F 1000
#define SIGNAL2F 4500
#define SAMPLEF 10000
#define PI 3.1415926
float InputWave();
float FIR();
float fHn[FIRNUMBER]={ 0.
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pjt fir.pjt
; Code Composer Project File, Version 2.0 (do not modify or remove this line)
[Project Settings]
ProjectName="DSP281x"
ProjectDir="C:\ICETEK\LF2812A\F2812\DSP281x_examples\lab0501-FIR\"
ProjectT