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高斯信道容量仿真 与与信噪比的关系，与发送功率和带宽的关系 一级三维图形描述性能 (GS-channel capacity，related to SNR powerand bandwidth)

上传一个解方程的matlab主程序mw文件，变的不好请谅解(To solve differential equations )

生成PSK信号。并基于NI的软件无线电平台发送射频信号(PSK signal is generated. And software radio platform based on NI RF signal sent)

单径赖斯衰落信道模型源代码,该代码形成于瑞利衰落信道的基础之上(rician fading channel estmation)

国外经典LBM D2Q9 D3Q19模型的matlab程序，亲测可用。可用于渗流场和热传递模拟。自己根据需要修改模型。引用时记得注明出处。版权问题概不负责。(Foreign LBM D2Q9 D3Q19 model matlab procedures, pro-test available. It can be used for seepage and heat transfer simulation. Make changes to the model as needed. Remember when referring to attribution. We are not responsible for copyright issues.)

地震动非线性时程分析程序，采用matlab程序编程，计算砌体结构在地震作用下结构的反应。(Earthquake nonlinear time history analysis procedures, using matlab programming, computing masonry structure response of the structure under earthquake.)

第 5 代移动通信系统 (5G) 是面向 2020 年之后的新一代移动通信系统 , 其技术发展尚处于探 索阶段 . 结合国内外移动通信发展的最新趋势 , 本文对 5G 移动通信发展的基本需求、技术特点与可 能发展途径进行了展望 , 并分无线传输和无线网络两个部分 , 重点论述了富有发展前景的 7 项 5G 移 动通信关键技术 , 包括大规模天线阵列、基于滤波器组的多载波技术、全双工复用、超密集网络、自 组织网络、软件定义网络及内容分发网络 . 本文还概括性地介绍了国内 5G 移动通信的相关研发活 动及其近期发展目标 .(The fifth generation mobile communication system (5G) is a new generation of mobile communication system after 2020. Its technological development is still in the exploratory stage. Combining with the latest trends of mobile communication development at home and abroad, this paper prospects the basic needs, technical characteristics and possible development ways of 5G mobile communication development, and divides wireless transmission and wireless network into two parts, focusing on rich. Seven key technologies of 5G mobile communication, including large-scale antenna array, filter bank-based multi-carrier technology, full duplex multiplexing, ultra-dense network, self-organizing network, software definition network and content distribution network, are prospected. The related research and development activities and recent development goals of 5G mobile communication in China are also briefly introduced in this paper.)

说明：  ·Matlab加扰解扰仿真系统，可以观察加解扰前后信号的时域和频域波形，有助于理解扰码的概念和解扰的过程(scrambling and de-scrambling Matlab simulation system Encryption can be observed around the signals in time domain and frequency domain waveforms scrambler help understand the concept of the process and Descramble)

将矩形图通过极坐标变换转换成笛卡尔坐标系上的圆形图(The rectangle by polar coordinates transformation into a cartesian coordinate system on the circular diagram )

matlab编写的关于语音信号预加重，分帧加窗的程序。(matlab, prepared by the speech signal pre-emphasis, sub-frame windowed program.)