代码搜索：如何学习 Fir？
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www.eeworm.com/read/359540/10140290
m q725.m
%《MATLAB在电子信息课程中的应用》(第三版)第七章例7.25程序q725
% 用各种窗函数设计FIR数字滤波器q724
% 电子工业出版社出版 陈怀琛 吴大正 高西全合著 2001年10月
clear;close all
N=21; wc=pi/4; % 理想低通滤波器参数
n=0:N-1; r=(N-1)/2;
hdn=sin(wc*(n-r))/pi./(n-
www.eeworm.com/read/163608/10152695
c ex4_5.c
/** Program to design an FIR **/
#include "math.h"
float hd[51]; /* 理想的冲击响应系数序列 */
float h[51]; /* 加窗后的冲击响应系数序列 */
float w[51]; /* 窗函数的离散值序列 */
float db[300]; /* 幅度响应数组（对数值）
www.eeworm.com/read/359245/10159637
m dir2fs.m
function [C,B,A]=dir2fs(h);
%变h(n)值形式为频率取样形式
%[C,B,A]=dir2fs(h)
%C=并联部分的增益列向量
%B=按列排列的分子系数
%A=按列排列的分母系数
%h=FIR滤波器的冲激响应
%计算FIR滤波器冲激响应的频率采样
M=length(h);
H=fft(h,M);
magH=abs(H);
phaH=angle(
www.eeworm.com/read/359245/10159641
m dir2latc.m
function [K]=dir2latc(b)
%[K]=dir2latc(b);
%K=格型滤波器的系数矩阵
%b=FIR滤波器的直接形式系数矩阵
M=length(b);
K=zeros(1,M);
b1=b(1);
if b1==0
error('b(1) is equal to zero')
end
K(1)=b1;A=b/b1;
for m=M:-1:2
www.eeworm.com/read/162649/10288105
mak des5402pp.mak
/************* Code Composer V1 Project Data ********************
The following section contains data generated by Code Composer
to store project information like build options, source filenames
www.eeworm.com/read/162649/10288129
log cc_build_custom.log
--------------------------- des5402pp.pjt - Custom ---------------------------
"d:\ti\c5400\cgtools\bin\cl500" -g -as -fr"D:/guan/guanwin/des/des5402pp_ccs2/fir5402" -@"Custom.lkf" "fir5402.asm"
www.eeworm.com/read/353941/10403325
log cc_build_debug.log
------------------------------ fir.pjt - Debug ------------------------------
[fir.c] "c:\ti6000\c6000\cgtools\bin\cl6x" -g -q -fr"C:/ti6000/myprojects/C6713EDULab/Lab16-FIR/Debug" -d"_DEBUG" -mv67
www.eeworm.com/read/353713/10428297
cu wavex01.cu
/*
* Copyright 1993-2007 NVIDIA Corporation. All rights reserved.
*/
/* WaveX01 project which demonstrates the basics on how to setup a project
* example application.
* HOST CODE.
*/
//
www.eeworm.com/read/160929/10469581
m p4_3.m
% Program P4_3
% Zero Locations of Linear Phase FIR Filters
clf;
b = [1 -8.5 30.5 -63];
num1 = [b 81 fliplr(b)];
num2 = [b 81 81 fliplr(b)];
num3 = [b 0 -fliplr(b)];
num4 = [b 81 -81 -fliplr(b)];
n1 =
www.eeworm.com/read/160929/10469938
m p4_3.m
% Program P4_3
% Zero Locations of Linear Phase FIR Filters
clf;
b = [1 -8.5 30.5 -63];
num1 = [b 81 fliplr(b)];
num2 = [b 81 81 fliplr(b)];
num3 = [b 0 -fliplr(b)];
num4 = [b 81 -81 -fliplr(b)