ofdm-evm-v2

说明：  运行在QT 上，而且基于TCP协议上的，连接服务器的服务端口(TCP-based server service ports on QT)

基于RSSI测距的等边三角形定位算法,对研究无线传感器网络定位算法十分有用(RSSI-based location of an equilateral triangle positioning algorithm, the study of wireless sensor network localization algorithm is very useful)

实现了bpsk中利用巴克码进行同步的功能。程序简单易懂，有注释。(This code use barker code in BPSK to accomplish the synchronization.)

这是一个用matlab软件仿真移动通信小区的模型，简单建立25个小区，并截取其中一个三角形小区当做软切换的环境。(This is a matlab software simulation model of the mobile communication cell, simple establishment of 25 plots, and the interception of which a triangular plot as a soft switching environment.)

convolutional coding and viterbi decoding

说明：  1. 程序完成了BCH信道编码+BPSK调制解调技术在线性高斯白噪声环境下的通信仿真，并且绘制了多个编码格式下的误码率-比特信噪比（Eb/N0）仿真曲线 2. BPSKCode.m 主程序入口，运行该文件执行主程序(1. The program completes the communication simulation of BCH channel coding + BPSK modulation and demodulation technology in linear Gaussian white noise environment, and draws the simulation curves of BER bit signal to noise ratio (EB / N0) under multiple coding formats 2. Bpskcode. M main program entrance, run the file to execute the main program)

实现了lfm信号的仿真，可以对其频谱和时域波形进行分析，并且仿真了其模糊函数，可以分析其雷达性能。(The simulation of LFM signal is realized, and its spectrum and time domain waveform can be analyzed, and its ambiguity function can be simulated to analyze its radar performance.)

微软RIL白皮书。介绍了微软RIL(Radio Interface Layer)的架构和开发所必须具备的知识，包括简介、RIL Modem接口、开发环境、平台实现、测试，以及相关信息(Microsoft White Paper RIL. It introduced Microsoft RIL (Radio Interface Layer) architecture and the necessary knowledge for developer, including the Introduction, RIL Modem interface, development environment, platform, testing, and related information)

收集了华为五轮面试的经验，还有中兴通信的面试宝典，非常不错的资料 (Huawei five interviews to collect experience, and ZTE interview book, very good information)

说明：  在E.C.Levy的“光电振荡器建模”一文中，利用MATLAB函数编写了单回路OEO仿真程序。为了说明它的用途，我们生成图2，4，5，8和11。(The single-loop OEO simulation is written by using MATLAB functions)