代码搜索：跳频扩频
找到约 3,148 项符合「跳频扩频」的源代码
代码结果 3,148
www.eeworm.com/read/389982/8490517
asv fir_dzp.asv
function FIR_DZP
clear
clc
wp1=0.2*pi;
wp2=0.8*pi;
ws1=0.4*pi;
ws2=0.6*pi
tr_width=min((wp1-ws1),(ws2-wp2));
N=ceil(6.2*pi/tr_width);
n=0:1:N-1;
wc1=(wp1+ws1);wc2=(ws2+wp2);%理想LPF截止频
hd=i
www.eeworm.com/read/389982/8490521
asv fir_1029.asv
function FIR_LP
clear
clc
wp=0.2*pi;ws=0.3*pi;
tr_width=ws-wp;
N=ceil(6.6*pi/tr_width)+1;
n=[0:1:N-1];
wc=(ws+wp)/2;%理想LPF截止频
hd=ideal_lp(wc,N);%理想低通滤波器计算,hd=0-(N-1)之间的理想脉冲响应,wc＝截止频率（弧度）,N=理想滤
www.eeworm.com/read/388937/8563851
m fir.m
%利用Hamming窗设计FIR数字低通滤波器
ap=3;as=30;
fp=30; fs=50;
Fs=200;
Wp=0.3*pi;Ws=0.5*pi;
%确定滤波器阶数
f=(fs-fp)/Fs;
N=3.3/f;
M=N-1;
fprintf('滤波器阶数=% .0f\n',M);
%理想低通截频
Wc=(Wp+Ws)/2;
%窗函数的值
k=0:M;
Wk=0
www.eeworm.com/read/288365/8639055
c pwm.c
/*
利用定时器，在P2_5上输出PWM波。为了演示，使占空比从1%~99%再从99%~1%连续变化。频
率约为200Hz。可以用于用于直流电机的驱动等方面。
*/
#include "STC12C5410AD.H"
unsigned char DutyCycle; //占空比，0~100
bit UpDown; //此时的占空比是增加还值减少的判断位，增加为1
void
www.eeworm.com/read/378860/9214286
m fir_dzp.m
function FIR_DZP
clear
clc
wp1=0.2*pi;
wp2=0.8*pi;
ws1=0.4*pi;
ws2=0.6*pi
tr_width=min((wp1-ws1),(ws2-wp2));
N=ceil(6.2*pi/tr_width);
n=0:1:N-1;
wc1=(wp1+ws1);wc2=(ws2+wp2);%理想LPF截止频
hd=i
www.eeworm.com/read/378860/9214303
m fir_lp.m
function FIR_LP
clear
clc
wp=0.2*pi;ws=0.3*pi;
tr_width=ws-wp;
N=ceil(6.6*pi/tr_width)+1;
n=[0:1:N-1];
wc=(ws+wp)/2;%理想LPF截止频
hd=ideal_lp(wc,N);%理想低通滤波器计算,hd=0-(N-1)之间的理想脉冲响应,wc＝截止频率（弧度）,N=理想滤
www.eeworm.com/read/378860/9214361
asv fir_dzp.asv
function FIR_DZP
clear
clc
wp1=0.2*pi;
wp2=0.8*pi;
ws1=0.4*pi;
ws2=0.6*pi
tr_width=min((wp1-ws1),(ws2-wp2));
N=ceil(6.2*pi/tr_width);
n=0:1:N-1;
wc1=(wp1+ws1);wc2=(ws2+wp2);%理想LPF截止频
hd=i
www.eeworm.com/read/378860/9214367
asv fir_1029.asv
function FIR_LP
clear
clc
wp=0.2*pi;ws=0.3*pi;
tr_width=ws-wp;
N=ceil(6.6*pi/tr_width)+1;
n=[0:1:N-1];
wc=(ws+wp)/2;%理想LPF截止频
hd=ideal_lp(wc,N);%理想低通滤波器计算,hd=0-(N-1)之间的理想脉冲响应,wc＝截止频率（弧度）,N=理想滤
www.eeworm.com/read/277698/10611701
m linear.m
function [d,v,a]=linear(para,np,per,xg,t,dt)
st=length(xg);
m=1;%先假定为单位质量；
k1=m*(2*pi/per)^2;%初始弹性刚度，计算时频反应谱是一个系列；
%此为恢复力模型输入参数；
eta=0.05;
txg=zeros(1,2);
x1=zeros(1,3);
x2=zeros(1,3);
x1(3)=
www.eeworm.com/read/277698/10611766
m linear.m
function [d,v,a]=linear(para,np,per,xg,t,dt)
st=length(xg);
m=1;%先假定为单位质量；
k1=m*(2*pi/per)^2;%初始弹性刚度，计算时频反应谱是一个系列；
%此为恢复力模型输入参数；
eta=0.05;
txg=zeros(1,2);
x1=zeros(1,3);
x2=zeros(1,3);
x1(3)=