代码搜索：4键触控
找到约 10,000 项符合「4键触控」的源代码
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www.eeworm.com/read/447287/7555005
htm 4-4.htm
var isnMonth = new
Array("1月","2月","3月","4月","5月","6月","7月","8月","9月","10月","11月","12月");
var isnDay = new
Array("星期日","星期一","星期二","星期三","星期四","星期五","星期六","星期日");
t
www.eeworm.com/read/445041/7600844
bmp 4-4.bmp
www.eeworm.com/read/444759/7607545
m 4-4.m
%例程4－4 基于巴特沃斯模拟滤波器设计数字带通滤波器
Wp=[0.3*pi,0.4*pi];
Ws=[0.2*pi,0.5*pi];
Ap=3;
As=18;
[N,wn]=buttord(Wp/pi,Ws/pi,Ap,As); %计算巴特沃斯滤波器阶次和截止频率
[b,a]=butter(N,wn,'bandpass'); %频率变换法设计巴特沃斯带通滤波器
www.eeworm.com/read/442943/7641215
gif 4-4.gif
www.eeworm.com/read/442943/7641274
gif 4-4.gif
www.eeworm.com/read/441403/7670866
bmp 4-4.bmp
www.eeworm.com/read/437136/7754471
m 4-4.m
clear
x=[0.5 1 1.5 2 2.5 3];
y=[1.75 2.45 3.81 4.8 8 8.6];
[k,b]=linefit(x,y)
y1=polyval([k,b],x);
plot(x,y1);
hold on
plot(x,y,'*')
www.eeworm.com/read/435844/7782833
m 4_4.m
x=linspace(0,2*pi,101);
y=cos(x).*(0.5+3*sin(x)./(1+x.^2))
plot(x,y);
www.eeworm.com/read/434700/7848701
c 4_4.c
/* ======================================== */
/* 程式实例: 4_4.c */
/* 环状双向链结串列的应用 */
/* ======================================== */
#include
st