AGray code, also known as a reflected binary code, is a system where the bit patterns in adjacent constellation points differ by only one bit. Extended Capabilities expand all C/C++ Code Generation Generate C and C++ code using MATLAB® Coder™. ...
一、正交幅度调制(QAM)的产生二、正交幅度调制(QAM)的解调三、正交幅度调制(QAM)的Matlab仿真 1、QAM信号波形和星座图仿真 2、QAM信号调制解调仿真四、Matlab源码 1、QAM信号波形和星座图仿真源码 2、QAM信号调制解调仿真源码 本节内容 正交幅度调制,又称为正交振幅键控,QAM(Quadrature Amplitude Modulation)。 多进...
General QAM Modulation and Demodulation Create the points that describe a hexagonal constellation. Get Copy Code Block inphase = [1/2 1 1 1/2 1/2 2 2 5/2]; quadr = [0 1 -1 2 -2 1 -1 0]; inphase = [inphase;-inphase]; inphase = inphase(:); quadr = [quadr;quadr]; qua...
This MATLAB function performs QAM modulation on the input signal, X, in accordance with MIL-STD-188-110 and the modulation order, M.
how to design a matlab code that gives the optimum constellation diagram for M-QAM?? for certain value of M, the code has to choose the optimum constellation diagram according to the least average power. 댓글 수: 0 댓글을 달려면 로그인하십시오. 이 질문...
数字信号是对连续变化的模拟信号进行抽样、量化和编码产生的,称为PCM(Pulse Code Modulation),即脉冲编码调制。 脉冲编码调制就是把一个时间连续,取值连续的模拟信号变换成时间离散,取值离散的数字信号后在信道中传输。脉冲编码调制就是对模拟信号先抽样,再对样值幅度量化,编码的过程。
【摘要】 一、PCM编码+QAM调制简介 1 PCM 数字信号是对连续变化的模拟信号进行抽样、量化和编码产生的,称为PCM(Pulse Code Modulation),即脉冲编码调制。 脉冲编码调制就是把一个时... 一、PCM编码+QAM调制简介 1 PCM 数字信号是对连续变化的模拟信号进行抽样、量化和编码产生的,称为PCM(Pulse Code Modulation)...
The comm.RectangularQAMTCMDemodulator System object object uses the Viterbi algorithm to decode a signal modulated by the trellis-coded modulation (TCM) technique with a rectangular quadrature amplitude modulation (QAM) signal constellation.
QAM调制技术应用及其MATLAB仿真 The Modulation Technology of QAM and The Simulation in Matlab 热度: functionvarargout=good_ _ _bye(varargin) %Begininitializationcode-DONOTEDITgui_Singleton=1;gui_State=struct('gui_Name',mfilename,... 'gui_Singleton',gui_Singleton,... ...
Copy CodeCopy Command This example shows you how to model a communications system with quadrature amplitude modulation (QAM), additive white Gaussian noise (AWGN) channel, and phase noise using Simulink®. The model displays constellation diagrams of the 256-QAM signal and performs bit error rate...