威布尔

ekf implmentation for ofdm

对数字通信作简要介绍，有一定参考价值，适合通信相关开发人员(Digital Communication related)

opnet Ad hoc仿真源程序,自己构建的路由协议和网络模型(opnet Ad hoc simulation source code, to build its own routing protocol and network model)

S7-200 PLC 的初步设计及编程技巧，适合初学者使用。(S7-200 PLC preliminary design and programming skills, suitable for beginners to use.)

说明：  该程序给出了利用Saleh模型进行功率放大器预失真的过程．(The program gives the power amplifier pre-distortion with Saleh models.)

信息经格雷码映射，进行QPSK调制并通过AWGN信道发射，在接收端进行QPSK解调，并统计误符号率和误码率。(Information on the Gray code mapping, QPSK modulation and emission through the AWGN channel, QPSK demodulator at the receiving end, and the statistical symbol error rate and bit error rate.)

面向QOS的马尔可夫选择决策算法，通过对算法模型合理化构建过程于异构环境特点的紧密结合，最大程度满足异构网络环境中用户QOS的长期效益(Facing the QOS markov selection decision algorithm, based on the rationalization process in constructing algorithm model heterogeneous environment characteristics of closely, satisfy heterogeneous network environment the user QOS long-term benefits )

手机通过蓝牙上网不走GPRS流量，一定是很好的源代码，欢迎下载，现在此软件只能一个手机连接一台电脑上网！理论上可以七个手机同时连接一台电脑上网！有要研究七台手机连接一台电脑上网的请发邮件至 jodyyang@163.com反应大家加入！(Don t go through bluetooth phones Internet traffic, must be very GPRS good source, welcome to download this software, now only a mobile phone connection computer online! Seven cell phones can theoretically computer Internet connection! Have to study the daytime phone connection of computer net please email to jodyyang@163.com reaction!)

说明：  turbo码的c语言程序，使用c语言来完成整个turbo码的编解码过程，并且程序后附带比较详细的解释(turbo code c language program, use c language to complete the entire turbo code codec process and procedures attached to explain it in more detail)

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.)