代码搜索：共模滤波
找到约 10,000 项符合「共模滤波」的源代码
代码结果 10,000
www.eeworm.com/read/485392/6561211
m 7-14.m
%例程7－14 基于卡尔曼滤波器的机动目标跟踪
% Make a point move in the 2D plane
% State = (x y xdot ydot). We only observe (x y).
% X(t+1) = Φ(t) X(t) + noise(Q)
% Y(t) = H X(t) + noise(R)
ss = 4; % state si
www.eeworm.com/read/485392/6561244
m 4-23.m
%例程4－23 利用汉宁窗设计Ⅰ型数字带阻滤波器
clear all;
Wpl=0.2*pi;
Wph=0.8*pi;
Wsl=0.4*pi;
Wsh=0.6*pi;
tr_width=min((Wsl-Wpl),(Wph-Wsh)); %过渡带宽度
N=ceil(6.2*pi/tr_width)
www.eeworm.com/read/485392/6561247
m 4-21.m
%例程4－21 利用三角窗设计Ⅲ型数字带通滤波器
clear all;
Wpl=0.4*pi;
Wph=0.6*pi;
Wsl=0.2*pi;
Wsh=0.8*pi;
tr_width=min((Wpl-Wsl),(Wsh-Wph)); %过渡带宽度
N=ceil(6.1*pi/tr_width)
www.eeworm.com/read/483253/6602378
m mel.m
function ccc = mel(x)
% 归一化mel滤波器组系数
bank=melbankm(24,256,8000,0,0.5,'m');
bank=full(bank);
bank=bank/max(bank(:));
% DCT系数,12*24
for k=1:12
n=0:23;
dctcoef(k,:)=cos((2*n+1)*k*pi/(2*24))
www.eeworm.com/read/483253/6602429
m mfcc.m
function ccc = mfcc(x)
% 归一化mel滤波器组系数
bank=melbankm(24,256,8000,0,0.5,'m');
bank=full(bank);
bank=bank/max(bank(:));
% DCT系数,12*24
for k=1:12
n=0:23;
dctcoef(k,:)=cos((2*n+1)*k*pi/(2*24)
www.eeworm.com/read/483253/6602506
m mel.m
function ccc = mel(x)
% 归一化mel滤波器组系数
bank=melbankm(24,256,8000,0,0.5,'m');
bank=full(bank);
bank=bank/max(bank(:));
% DCT系数,12*24
for k=1:12
n=0:23;
dctcoef(k,:)=cos((2*n+1)*k*pi/(2*24))
www.eeworm.com/read/483133/6610831
m ideal_lp1.m
%函数 ideal_ip
function hd=ideal_lp1(wc,N);
%理想标准低通滤波器计算
%----------------------------------------------------------------------
%条件：已知3db通带截止频率和截取长度
%[hd]=ideal_ip(wc,N);
%hd为0到N-1之间的理想脉冲响应
%wc
www.eeworm.com/read/482655/6620700
m page_413.m
%设计一个切比雪夫1型高通滤波器，其模拟截止频率wc=2
%page_413
N=2;%number of poles
Rp=3;%passband ripple
T=.2;%sampling period
wc=2;%analog cutoff frequency
Wc=wc*T/pi;%normalized digital cutoff frequency
[numd,dend
www.eeworm.com/read/409522/11320471
m rcosine_filter.m
close all;
clear all;
Fd= 1; %输入信号的采样率
Fs = 8; %输出信号的采样率
Delay = 3; %滤波器的群时延
R = 0.5; %滚降因子
[yf,tf] = rcosine(Fd,Fs,'fir',R,Delay); %yf=b,tf=a;
%plot(yf)
freqz(yf,tf,512);
grid
xlabel
www.eeworm.com/read/264066/11330950
m casfiltr.m
function y = casfiltr(b0,B,A,x);
% IIR 和 FIR滤波器的级联型的实现
% -----------------------------------------------
% y = casfiltr(b0,B,A,x);
% y = 输出序列
% b0 = 级联型的增益系数
% B = 包含各bk的K乘3维实系数矩阵
% A = 包含