DDS实现AM调制、DSB调制【Matlab】【FPGA】【Vivado】【信号处理】【通信原理】【软件无线电】 一、为什么要调制 调制(modulation)就是对信号源的信息进行处理(低频),加到载波上(高频),使其变为适合于信道传输的形式。 无线电传输时,频率越高,波长越小,发射时需要的天线也越短。 式中,λ为波长(m);c为电磁波...
利用MATLAB编程语言实现对双音AM信号的调制与解调,给出不同信噪比情况下的解调结果对比。关键词:AM信号,调制,解调,信噪比,MATLAB PAGE 20 Modulation and demodulation of AM signal based on MATLAB Abstract: Society becomes more developed now, science and technology in the update, in which signal and analog...
利用MATLAB编程语言实现对双音AM 信号的调制与解调,给出不同信噪比情况下的解调结果对比。 关键词:AM信号,调制,解调,信噪比,MATLAB . . ModulationanddemodulationofAMsignal basedonMATLAB Abstract:Societybecomesmoredevelopednow,scienceandtechnologyintheupdate,inwhich signalandanalogcircuitsoftenusedinmodulationand...
利用MATLAB编程语言实现对双音AM信号的调制与解调,给出不同信噪比情况下的解调结果对比。 关键词:AM信号,调制,解调,信噪比,MATLAB Modulation and demodulation of AM signal based on MATLAB Abstract:Society becomes more developed now, science and technology in the update, in which signal and analog circuits...
关键字:MATLAB AM调制 解调 The main research AM modulation and demodulation, by a mathematical model, using MATLAB simulation, has been AM modulated wave waveforms and frequency spectrum. Changing the modulation factor m, to obtain an AM modulated signal in the amplitude modulation verification process...
MATLAB Online에서 열기 %OFDM_basic.m clearall NgType=1;%NgType=1/2 for cyclic prefix/zeropadding ifNgType==1, nt='CP';elseifNgType==2, nt='ZP'; end Ch=0;%Ch=0/1 for AWGN/multipath channel ifCh==0, chType='AWGN'; Target_neb=100;...
北邮通信原理软件实验基于matlab的模拟信号AM,DSB-SC,SSB调制 热度: 调幅,英文是调幅,英文是调幅,英文是Amplitude ModulationAmplitude ModulationAmplitude Modulation(((AMAMAM)。调幅也就是通常说的中波,范围在)。调幅也就是通常说的中波,范围在)。调幅也就是通常说的中波,范围在503---1060KHz503---1060KHz503--...
am signal, modulation, demodulation, noise ratio signal, matlab.1 课程设计内容与要求1.1 课程设计内容调制信号:分别为300hz正弦信号和矩形信号;载波频率:30khz;解调方式:分别为包络解调和同步解调;1.2设计要求利线用matlab软件进行振幅调制和解调程序设计,画出以下三种情况下调制信号、已调信号、解调信号的波形、频...
工程中AM调制方法分析与MATLAB仿真
Using AM modulation and demodulation circuit which can achieve a lot of features, creating a lot of useful and affordable electronic products, in order to facilitate our lives. Used in our daily lives is the use of AM radio modulation, but also in the field of military 基于MATLAB的AM信号...