代码搜索：波形合成
找到约 3,528 项符合「波形合成」的源代码
代码结果 3,528
www.eeworm.com/read/375257/9367023
m f5_2.m
%产生非平稳信号
%%暂态信号1
sig1=fmlin(128,0,0.3);
%%暂态信号2
sig2=fmlin(128,0.2,0.4);
sig=sig1+sig2;
%时域波形
figure(1)
plot(real(sig),'LineWidth',2);
hold on;
plot(imag(sig),'ro--');
legend('实部','虚部');
x
www.eeworm.com/read/375257/9367185
m f8_2.m
%实验信号
N=1024;
t=1:N;
%%外环故障信号
fid=fopen('I3CH4.dat','r');
sig=fread(fid,N,'int16');
fclose(fid);
%归一化
sig=(sig-mean(sig))/std(sig,1);
%采样频率
fs=10000;
%时域波形
figure(1)
plot(t/fs,sig);
x
www.eeworm.com/read/375257/9367396
m f4_5.m
%产生非平稳信号
%%暂态信号1
sig1=real(amgauss(128,45).*fmconst(128,0.25,45));
%%暂态信号2
sig2=real(amgauss(128,85).*fmconst(128,0.25,85));
sig=sig1+sig2;
%时域波形
figure(1)
plot(sig,'LineWidth',2);
xlabel('时间
www.eeworm.com/read/375129/9371939
m fsk.m
clear all;
close all;
A=1;
fc=2; %2Hz;
N_sample=8;
N=500; %码元数
Ts=1; %1Baud/s
dt=Ts/fc/N_sample;%波形采样间隔
T=Ts-dt;
t=0:dt:N*T;
Lt=length(t);
%产生二进制信源
d=si
www.eeworm.com/read/363368/9957425
txt 51pwm实验.txt
#pragma db code
#include
#define uchar unsigned char
#define uint unsigned int
;可以用示波器观察输出频率和波形.
sbit K1=P2^4;
sbit K2=P2^5;
sbit out=P3^7;
void delay(uint a);
void ma
www.eeworm.com/read/164749/10090093
m wrb1.m
function wrb1(wavename,noisename,c)
%speech 表示纯净语音时域波形；
%noise 表示噪声；
% c表示判决的数值 经验值通常取2
speech=wavread(wavename);
L=length(speech);
%L表示语音的长度；
t=0:L-1;
subplot(2,1,1);
plot(t,speech,'r');
xl
www.eeworm.com/read/359245/10159437
m exa6_15.m
%exa060304_pyulear.m, for example 6.3.4
%to test pyulear.m;
clear all;
Fs=1000; % 采样频率
%信号序列产生；
n=0:1/Fs:.3;
w0=200*pi;
w1=400*pi;
xn=cos(w0*n)+sin(w1*n)+randn(size(n));
% 绘制信号波形
subplo
www.eeworm.com/read/358783/10179689
txt dds 程序.txt
--DDS波形发生器 (Synplify pro 编译通过)
--输出频率 Fout = Fclk*2^M/2^N
--分辨率 Fclk/2^N
--最大输出频率 Fout = Fclk*50%(理论值,抽样定理)
--版本1.0 2004/9/29 by JJJ
library ieee;
use ieee.std_logic_1164.all;
use iee
www.eeworm.com/read/161995/10348311
m f5_1.m
%产生非平稳信号
%%暂态信号1
sig1=fmlin(128,0,0.4);
%%暂态信号2
sig2=fmlin(128,0.1,0.45);
sig=sig1+sig2;
%时域波形
figure(1)
plot(real(sig),'LineWidth',2);
hold on;
plot(imag(sig),'ro--');
legend('实部','虚部');
www.eeworm.com/read/161995/10348317
m f5_2.m
%产生非平稳信号
%%暂态信号1
sig1=fmlin(128,0,0.3);
%%暂态信号2
sig2=fmlin(128,0.2,0.4);
sig=sig1+sig2;
%时域波形
figure(1)
plot(real(sig),'LineWidth',2);
hold on;
plot(imag(sig),'ro--');
legend('实部','虚部');
x