Double-loop--speed-control

2模式模分复用仿真，带LMS均衡，好用！、、、(2-mode modular division multiplexing simulation with LMS equalization)

估计接收到的直扩信号的载频，码速率，以及扩频增益(Estimate the carrier frequency, code rate, and spread spectrum gain of the received DSS signals)

希尔伯特谱，用于信号能量分析，将三维的频率幅度图压缩在二维图像上(Hilbert spectrum for signal energy analysis)

扩频通信中pn序列码的仿真与研究，m序列，M序列，gold序列(Pn sequence spread spectrum communication and research simulation codes, m series, M series, gold sequence)

说明：  Lamda算法：GPS快速整周模糊度算法的核心，当今最好的GPS定位算法之一。(Lamda algorithm: GPS fast algorithm Ambiguity core of today s best one of GPS positioning algorithm.)

弹性网和Lasso的代码 用来变量选择的好工具(Lasso code)

说明：  ofdm 信道估计 16qam MMSE估计 对比了块状导频和梳状导频的区别(ofdm channel 16qam MMSE compare with block pilot and comb pilot)

说明：  8. 单径瑞利信道中的四发四收V-BLAST： (1) 请设计一种具体的导引辅助的信道估计方法，用Simulink进行仿真，测量16QAM调制时的误码率性能。画出比特信噪比与信道估计均方误差的关系曲线，画出比特信噪比与误码率的关系曲线。 (2) 计算所设计方案的频谱效率是多少，单位为bit/Hz/s。(8. Four transmit four receive v-blast in single-path Rayleigh channel: (1) please design a specific navigation-assisted channel estimation method and conduct simulation with Simulink to measure the bit error rate performance of 16QAM modulation.The relation curve between the bit signal-noise ratio and the mean square error of channel estimation is drawn, and the relation curve between the bit signal-noise ratio and the bit error rate is drawn. (2) calculate the spectral efficiency of the designed scheme in bit/Hz/s.)

lms基础算法，已经经过测试，可以通过。(LMS basic algorithm has been tested and passed.)

bpsk调制matlab代码,仿真验证正确(bpsk modulation)