MATLAB对QPSK通信系统的仿真 MATLAB主要模块 PCM-code模块 PCM-code模块实现了QPSK通信系统的抽样,量化,编码功能。信号源为模拟的正弦波语音信号4KHz。抽样器(SAMPLE),对模拟信号进行抽样,抽样频率8KHz。A-LAW:量化器,A-LAW十三折线法。PCM:编码器,将量化后的信号进行PCM编码,变成1个传输速率为64Kbit/s的数字信号...
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Complex Phase Differenceブロックは位相差を決定します。To Workspace(Simulink)ブロックは、計算された位相差をワークスペースに渡します。Constellation Diagramブロックは、位相シフトの前後の信号コンスタレーションをプロットします。 位相差は 2 番目の入力から 1 番目の入力までを使用して計算...
constDiagram = comm.ConstellationDiagram; constDiagram(y) Create QPSK Modulator Object with Bit Input Copy Command Copy Code Create QPSK modulator object setting the BitInput property to true. Display the properties. qpskmod = comm.QPSKModulator('BitInput',true) qpskmod = comm.QPSKModulator with...
1、课程设计报告专用 纸淮海工学院课程设计报告书 课程名称: 通信系统的计算机仿真设计 题目:QPSK通信系统性能分析与MATLAB仿真系 (院):学期: 专业班级: 姓名: 学号: 评语:成绩:签名:日期:QPSK通信系统性能分析与MATLAB仿真1 绪论在当今高度信息化的社会,信息和通信已成为现代社会的“命脉”。信息作为一种资源,只有...
Keyword: QPSKModulation and DemodulationCoherent DemodulationGray Code MatlabmodulationSymbolErrorRate 一、设计的目的和意义 1.1 课题背景 在现代通信领域里,随着人民生活水平的提高,对于通信的质量及效率有着明显的要求,尤其是近几年,我国迅速步入了全民”3G”时代,通信业务需求的快速增长,高效的调制解调技术已经成为研...
This example shows how to implement a QPSK transmitter and receiver in Simulink® that is optimized for HDL code generation and hardware implementation.The model shown in this example modulates data based on quadrature phase shift keying (QPSK). The goal of this example is to model an HDL ...
MATLAB Investigating the performance of an OFDM-based communication system with QPSK and QAM modulation and effects of AWGN and multi-path channels. ofdmqamqpskchannel-codingqam-modulationofdm-wireless-communicationsqam-demodulationawgn-channelqpsk-modulationmultipath-channelsconstellation-diagram ...
MATLAB modulation and demodulation of the program, including the string and the conversion, conversion, carrier modulation, signal synthesis, coherent demodulation, sample sentences and string conversion, and a series of system design, the QPSK constellation diagram and the modulation and demodulation of...
ofdmqamqpskchannel-codingqam-modulationofdm-wireless-communicationsqam-demodulationawgn-channelqpsk-modulationmultipath-channelsconstellation-diagram UpdatedJan 2, 2023 MATLAB Welcome to the Digital_Modulation_Py repository! This repository provides digital modulation techniques, including QPSK,PSK and QAM,using ...