代码搜索:振荡调制
找到约 3,079 项符合「振荡调制」的源代码
代码结果 3,079
www.eeworm.com/read/323211/13347248
m ex0905.m
%例9.5调制信号的波形及其功率谱;
Fs=1000;
Fc=400;
N=1000;
n=0:N-2;
t=n/Fs;
x=sin(2*pi*50*t);
subplot(221)
plot(t,x);
xlabel('t(s)');
ylabel('x');
title('被调信号');
axis([0 0.1 -1 1])
Nfft=1024;
window=ha
www.eeworm.com/read/323211/13347251
m ex0906.m
%例9.6调制信号的波形及其频谱;
R=0.005;t=-1.2:R:1.2;
f=Heaviside(t+1)-Heaviside(t-1);
f1=f.*cos(10*pi*t);
subplot(221)
plot(t,f)
xlabel('t');
ylabel('f(t)');
subplot(222);
plot(t,f1);
xlabel('t');
ylabe
www.eeworm.com/read/314715/13560554
m simulink_reileigh_bfsk_ber.m
clc;
clear all;
%设置调制信号的采样间隔
BitRate=10000;
%设置仿真时间长度
xSimulationTime=10;
%初始化种子
xInitialSeed=21;
%x表示信噪比的取值范围
x=0:15;
y1=x;
%频率间隔
FrequencySeparation=24000;
%发送端和接收端相对速度(公里/小时)
Velocity
www.eeworm.com/read/314714/13560557
m simulink_bfsk_ricianfading_ber.m
clc;
clear all;
%设置调制信号的采样间隔
BitRate=10000;
%设置仿真时间长度
xSimulationTime=10;
%初始化种子
xInitialSeed=21;
%x表示信噪比的取值范围
x=0:15;
y1=x;
%频率间隔
FrequencySeparation=24000;
%发送端和接收端相对速度(公里/小时)
Velocity
www.eeworm.com/read/304029/13803654
m qpsk1.m
clear all;
N=1000; %码元个数
fs=250; %采样率;
fd=1; %输出符号率(码速率);
fc=100; %载波频率;
%调制部分的程序
A = (rand(1,N)>0.5)*2 - 1; %产生随机的+、-1序列
B = (rand(1,N)>0.5)*2 - 1; %产生随机的+、-1序列
A_jidai=rco
www.eeworm.com/read/301588/13855676
m exa110.m
%exa110_exponent_modulate_sine_fun_c.m for example 1-10
%exponent modulated sine function指数调制正弦信号
clear all;
t=0:0.001:2.5;
A=3;
a=0.5;
f=5;
fai=1;
u1=A*exp(a*t);
u2=cos(2*pi*f*t-fai);
u12=u
www.eeworm.com/read/301588/13855678
asv exa110.asv
%exa110_exponent_modulate_sine_fun_c.m for example 1-10
%exponent modulated sine function指数调制正弦信号
clear all;
t=0:0.001:2.5;
A=1;
a=0.5;
f=5;
fai=1;
u1=A*exp(a*t);
u2=sin(2*pi*f*t+fai);
u12=u
www.eeworm.com/read/490055/6457812
dbg pwm.dbg
IMAGECRAFT DEBUG FORMAT
VERSION 1.1
CPU AVR
DIR F:\练习\pwm脉宽调制器\
FILE pwm.c
FUNC delay_us AA fV
BLOCK 16 AA
DEFREG t 16 I
LINE 16 AA
LINE 18 AA
LINE 19 AE
BLOCKEND 20 B8
LINE 20 B8
FUNCEND
www.eeworm.com/read/484023/6589261
plg pwm.plg
uVision3 Build Log
Project:
D:\单片机学习资料\STC\示例程序\脉宽调制\pwm.uv2
Project File Date: 05/10/2009
Output:
www.eeworm.com/read/480149/6677709
m project.m
function project(N,p)
%====N为待仿真序列的维数
%====p为产生‘1’的概率
%==============================
%首先产生随机二进制序列
source=randsrc(1,N,[1,0;p,1-p]);
%==============================
%对产生的二进制序列进行QAM调制
[source1,s