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现代通信系统使用matlab版全部章节的matlab仿真源代码(Modern communication systems using matlab version of all sections of source code matlab simulation)

Consist of SPWM Generator. Three phase inverter with pulses.

SO BP神经网络的实现，有神经网络源程序，带附录说明(SO BP neural network to achieve, there are neural network source, with appendix explains)

ofdm仿真模型,该文件可实现ofdm通信系统的Simulink仿真，对ofdm通信系统有个清晰的理解(ofdm simulation model)

回声信道模型,双通道,无法正确识别的情况.(Echo channel model, dual-channel, can not correctly identify the situation.)

加性噪声一般指热噪声、散弹噪声等，它们与信号的关系是相加，不管有没有信号，噪声都存在。而乘性噪声一般由信道不理想引起，它们与信号的关系是相乘，信号在它在，信号不在他也就不在。(The additive noise generally refers to the thermal noise, shot noise, which is added with the signal of the relationship, or no signal, noise are present. While the multiplicative noise in general by the channel caused by non ideal, they are multiplied by the signal, signal in it, the signal is not in him is not in.)

说明：  energy efficiency of noma

本程序产生级数为5,6,7的大M序列，并比较其自相关和互相关特性(The program generated series 5,6,7 M sequence, and compare the autocorrelation and cross correlation properties)

matlab通信仿真psk误码分析，详细了解了其性能特点。(Matlab simulation psk communication error analysis, a detailed understanding of its characteristics.)

该程序实现了一个军事网络演化模型的生成以及计算网络的拓扑参数(The program implements a military network evolution model generation and calculating network topology parameters)