QPSK_FS_uncoded_curve20071029

仿真对数正态阴影衰落和仿真了一个BPSK通信系统，并与AWGN信道下的理论误码率结果进行了比较(Log-normal Shadowing PL model;Simulate a BPSK communication system, comparing simulated with theoretical BER results under AWGN channel)

C# 写的NetRemoting通信例子 双向通信(NetRemoting Communication Example Written in C# Two-way communication)

针对通信侦查课题，通过已知先验知识和截获信号，进行找出同步序列，匹配滤波，校正频偏和相偏，均衡，解交织，译码，恢复出原序列，最终得到的序列与原序列作对比得到误码率为0(Investigation subject for the communication, by known a priori knowledge and intercepted signal conducted to identify the synchronization sequence, the matched filter, correcting frequency offset, and phase deviations, balanced, deinterleaving, decoding, to recover the original sequence, the resulting sequence with the original sequence compared error rate is 0)

说明：  一篇很好的关于OFDMA系统无限资源调度的论文，有介绍分配的算法.(A good system of unlimited resources on the OFDMA scheduling of papers have introduced the distribution algorithm.)

说明：  OFDM信号功率谱和频谱的MATLAB实现(Realization of Power Spectrum and Spectrum of OFDM Signal by MATLAB)

SyncML核心解析代码，对开发SyncML 协议非常有用，SYNCML是OMA的手机同步协议。此代码可以在Windows和LINUX系统中使用.(SyncML core analysis code, SyncML agreement on the development of very useful SYNCML OMA is the phone synchronization protocols. This code in Windows and Linux systems.)

说明：  RA码的仿真程序，包括编码器、信道、译码器，参数可配置。(RA code simulation program, including encoder, decoder, channel, parameters can be configured.)

说明：  3. 瑞利信道中的调制解调、信道估计： (1) 请推导出单径瑞利信道中的BPSK相干解调的理论误码率性能，并画出比特信噪比与误码率的关系曲线。 (2) 在单径瑞利信道中，请设计一种时分的导引辅助的信道估计方法，用Simulink进行仿真，测量BPSK的误码率性能，画出比特信噪比与误码率的关系曲线，并与理论误码率曲线进行对比。(3. Modulation demodulation and channel estimation in Rayleigh channel: (1) deduce the theoretical bit error rate performance of BPSK coherent demodulation in single-path Rayleigh channel, and draw the relationship curve between bit signal-to-noise ratio and bit error rate. (2) in single-path Rayleigh channel, please design a time-division guidance assisted channel estimation method, Simulink simulation, measure the bit error rate performance of BPSK, draw the relationship curve between bit SNR and bit error rate, and compare with the theoretical bit error rate curve.)

ML python library scratch

C# 串口通信源码示例，老外写的，非常精美。(Serial Communication C# source code examples, written by foreigners, very fine.)