代码搜索：Butterworth
找到约 990 项符合「Butterworth」的源代码
代码结果 990
www.eeworm.com/read/382539/9022373
butterworth
www.eeworm.com/read/382539/9022382
butterworth
www.eeworm.com/read/373894/9430055
m butterworth.m
function Butterworth(fp,fs,ap,as,Fs)
if nargin==5 %%对应数字滤波器设计
wp=2*pi*fp/Fs;ws=2*pi*fs/Fs;
Ts=1/Fs;
Op=2*tan(wp/2)/Ts;Os=2*tan(ws/2)/Ts;
elseif nargin==4 %%对应模拟滤波
www.eeworm.com/read/373763/9437271
m butterworth.m
clear all;
clc;
format long;
% a=load('E:\实验室工作\硕士论文\me\振动处理\me处理\低通滤波\39230000.dat');
a=load('E:\实验室工作\硕士论文\me\振动处理\me处理\低通滤波\01-27-1.dat');
b=a(12000:24000,10);
N=length(b);
for i=1:N
www.eeworm.com/read/163643/10151871
m butterworth.m
w=0:0.01:300;
wc=100;%截止角频率
for n=1:2:16
hw=1./sqrt(1+(w/wc).^(2*n));
hold on
plot(w,hw)
end
title('巴特沃斯滤波器幅频特性曲线')
xlabel('角频率')
ylabel('H(jw)');
www.eeworm.com/read/359349/10154171
m butterworth.m
function [b]=butterworth(N)
if N==1
b=[1 1];
end
if N==2
b=[1 1.4142 1];
end
if N==3
b=[1 2 2 1];
end
if N==4
b=[1 2.6131 3.4142 2.6131 1];
end
if N==5
b=[1 3.2361
www.eeworm.com/read/281006/10272805
c butterworth.c
/*********************** self documentation **********************/
/*****************************************************************************
BUTTERWORTH - Functions to design and apply Butterw
www.eeworm.com/read/158830/10724932
m butterworth.m
function butterworth(wp,ws,ap,as,type,a,b)
N=0.5*log10((10.^(as/10)-1)/(10.^(ap/10)-1))/log10(ws/wp);
N=ceil(N)
Wc1=wp/(10.^(ap/10)-1).^(1/(2*N));
Wc2=ws/(10.^(as/10)-1).^(1/(2*N));
Wc=(Wc1+Wc2)/
www.eeworm.com/read/469627/6972250
asv butterworth.asv
clear all
clc
close all
Rp=1;
Rs=30;
typeo=3;
% switch typeo
% case 1
% type='bandpass';
% case 2
% type='stop';
% case 3
% type='high';
% case 4
% type='low';
% end
www.eeworm.com/read/469627/6972251
m butterworth.m
clear all
clc
close all
Rp=1;
Rs=30;
typeo=1;
% switch typeo
% case 1
% type='bandpass';
% case 2
% type='stop';
% case 3
% type='high';
% case 4
% type='low';
% end