位同步源代码bitsynchronization

stc15w408as的串口通信，串口通信助手收发数据(Stc15w408as serial communication, serial communication assistant send and receive data)

实现了polar在BEC信道下的编译码，画出了误码率图像(The encoding and decoding of polar in BEC channel is realized, and the bit error rate image is drawn.)

说明：  Taming the Complexity of mm-Wave Massive MIMO Systems: Efficient Channel Estimation and Beamforming

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.)

说明：  GPS中频信号频率和ca码搜索程序，原始数据可以在北京东方联星网站上下载(GPS IF signal frequency and ca code search procedures, raw data can be in Beijing Oriental Lianxing website)

DVB-T 2K Reception.DVB-T 2K 接收机matlab源代码。(DVB-T 2K Reception.DVB-T 2K receiver matlab source code.)

matlab 波束形成的仿真，包含时域，频域，相移波束形成(Matlab beamforming simulation, including time domain, frequency domain, phase-shifted beamforming)

用simulink中s函数实现两路切换开关(S function with simulink realization of two-way switch)

说明：  对称振子方向图函数，天线阵函数，微波技术与天线(Symmetrical dipole pattern function, antenna array function)

杨建国老师的通讯原理课件，第三章模拟信号的调制与解调，主要讲述信号产生与调制，射频特性，解调，MSK、GMSK、PSK、QPSK、BPSK、QAM等原理(Yang Jianguo teacher communication principles of courseware, the third chapter of the analog signal modulation and demodulation, and focuses on the signal generation and modulation, the RF characteristics, demodulation, MSK, GMSK, PSK, QPSK, as BPSK, QAM and other principles of)