代码搜索：信号链
找到约 10,000 项符合「信号链」的源代码
代码结果 10,000
www.eeworm.com/read/217669/14954746
m lfm_signal.m
% 演示线性调频信号及其频谱图
tao=1*10^(-4);
f0=0;
B=1*10^6;
u=B/tao;
t=-tao/2:tao/1023:tao/2;
s=exp(j*2*pi*(f0*t+0.5*u*t.^2)); %信号表达式
subplot(1,2,1)
plot(t,s,'r'),axis([-tao/2 tao/2 -1 1]);
g
www.eeworm.com/read/214032/15115831
m multipath_chann.m
function [output_sig,Hk]=multipath_chann(input_sig,num,var_pow,delay,fd,t_interval,counter,count_begin,cp_n)
%input_sig输入信号矩阵,加了cp后的信号，大小为NL×(子载波个数+cp长度lp)；
%num多径数;
%var_pow各径相对主径的平均功率,单位dB；
%del
www.eeworm.com/read/214032/15115988
m add_pbj_jamming.m
function [out,jam]=add_pbj_jamming(input_ofdm_symbol,jpow,partial_fraction,jfre_begin)
%在输入信号上加部分频带干扰，input_ofdm_symbol为待加扰信号，jpow为干扰总功率
%delta_f为子载波间隔，t_interval为采样时间间隔，partial_fraction为部分频带干扰占通信带宽
www.eeworm.com/read/213968/15119156
v controller.v
module controller(clk1,clk2,n,OE); //全加器模块
input clk1,clk2; //定义clk1、clk2
output [3:0] n; //定义输出的控制信号n
output OE; //定义输出的控制信号OE
reg [3:0] n,nextn; //定义寄存器型状态转换变量变量
reg OE;
wire p;
reg t,m;
www.eeworm.com/read/211792/15173707
m mu_mazi.m
clear all
close all
echo on
a=randn(1,500);%信号样本序列
n=64;
mu=255;
[sqnr,a_quan,code]=mula_pcm(a,n,mu);
pause %按任意键可看到信号量化噪声比
sqnr
pause %按任意键可看到前5个输入值
a(1:5)
pause %按任意键可看到前5个量化值
a_quan(1
www.eeworm.com/read/211792/15173711
asv mazi.asv
close all
clear all
echo on
a=randn(1,500);%信号样本序列
n=128;
[sqnr,a_quan,code]=u_pcm(a,64);
pause %按任意键可看到信号量化噪声比
sqnr
pause %按任意键可看到前5个输入值
a(1:5)
pause %按任意键可看到前5个量化值
a_quan(1:5)
pause %
www.eeworm.com/read/211792/15173718
m mazi.m
close all
clear all
echo on
a=randn(1,500);%信号样本序列
n=64;
[sqnr,a_quan,code]=u_pcm(a,64);
pause %按任意键可看到信号量化噪声比
sqnr
pause %按任意键可看到前5个输入值
a(1:5)
pause %按任意键可看到前5个量化值
a_quan(1:5)
pause %按
www.eeworm.com/read/207333/15274858
asv iir_lpf.asv
%writen by Ziwei Chen
clc;clear all;close all;
%产生模拟信号x(t)
t=[0:0.00001:1];
f1=100;f2=1400;f3=3000;
xt=sin(2*pi*f1*t)+sin(2*pi*f2*t)+sin(2*pi*f3*t);
h1=figure;
set(h1,'name','进行滤波的输入信号');
sub
www.eeworm.com/read/207333/15274865
m iir_lpf.m
%writen by Ziwei Chen
clc;clear all;close all;
%产生模拟信号x(t)
t=[0:0.00001:1];
f1=100;f2=1400;f3=3000;
xt=sin(2*pi*f1*t)+sin(2*pi*f2*t)+sin(2*pi*f3*t);
h1=figure;
set(h1,'name','进行滤波的输入信号');
sub
www.eeworm.com/read/4686/38332
c pc并口模拟iic.c
// 在微机上模拟I2C总线的设计中，用并行口的D0（PIN2）模拟SCL信号，用D1（PIN3）模拟SDA信号。根据IIC总线的电平规范，程序如下：
#include
#include
#include
#include
#define DELAY_TIME