xunhuanpu

说明：  ofdm的编码过程，用evm和比特率进行对比(The encoding process of OFDM is compared with EVM and bit rate)

说明：  idunno wat am i doing

极化敏感阵列的学习笔记，有助于了解极化敏感阵列的相关知识(Study notes polarization sensitive array, helping to understand the polarization sensitive array of relevant knowledge)

一个OFDM在加性高斯白噪声信道(AWGN)和多径瑞利衰落信道(MuhipathReyleighFading)下的调制解调模型，simulink建模，仿真信噪比、频谱图、星座图。(A OFDM in additive white gaussian noise (AWGN) channel and multipath Rayleigh fading channel (MuhipathReyleighFading) of demodulation model, simulink modeling, simulation SNR, spectrum diagram, constellation chart. )

viterbi decoder 2/3 rate

说明：  SOCKET调试工具与压力测试小工具源代码 VS2008下测试通过，非常好用！(SOCKET debugging tools and stress testing tool for source code for VS2008 under a small test, very easy to use!)

模仿超级终端风格的RS232串口调试工具 这是一个模仿Windows系统带的超级终端风格的RS232串口调试工具。非常容易读取和写入端口，发送支持ASCII字符模式，可以打开二进制文件以16进制格式显示发送。支持工作内容保存，下次加载。 里面的那个动画窗体加载出现蛮有意思，大家可以学习下。尤其对调试AT指令之类的比较方便。(RS232 serial debug tool imitating super terminal style This is a SuperTerminal style RS232 serial debugging tool that mimics the Windows system. It is easy to read and write ports, send ASCII character mode and open binary files to display in 16 binary format. Support work content to save, next load. Loading the animated form inside is quite interesting. You can learn from it. In particular, it is more convenient to debug AT instructions.)

使用VC对并口进行访问和控制的VC程序示例，该程序完全用API完成(parallel to the use of VC visit and control procedures VC example, the procedure is totally complete with API)

把从光谱仪串口传输过来的数据分解为各自的成分数据(Decomposition of the data over the serial transmission from the spectrometer data for each ingredient)

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.)