model-of-pm

word文档对球形译码的理论原理和仿真结果进行了分析 1.sphereandML是主程序，性能接近最大似然ML检测，调用了spheredecode和spheredecodeinf两个子程序； 2.main_spheretoML是主程序，性能达到最大似然NL检测，调用了spheredecodetoML和spheredecodeinftoML两个子程序。(word document on the theory of spherical decoding theory and simulation results are analyzed 1.sphereandML are the main program, performance close to the maximum likelihood ML detection, call the spheredecode and two spheredecodeinf subprogram 2.main_spheretoML are the main program, to achieve maximum performance Ran Detect NL, call a subroutine spheredecodetoML and two spheredecodeinftoML.)

定时定点触发事件函数,起始时间为1970-01-01日00:00:00开始，每隔一个固定时间段就触发一次事件函数~(Timed trigger point trigger point event timed event function function function regularly scheduled fixed-point trigger point trigger event event function)

实现DSP-STM32 上对四相双极性步进电机的调速控制，及STM32上矩阵键盘的使用(Realization of the four-phase bipolar stepper motor speed control on the DSP-STM32, STM32 and the use of the keyboard matrix)

对2*2瑞利衰落BQSK调制的MIMO信道进行均衡，对比ZF、MMSE、ML方法的均衡效果。(Script for computing the BER for BPSK modulation in a Rayleigh fading channel with 2 Tx, 2Rx MIMO channel with MMSE、ZF、ML equalization.)

说明：  完整的rs+卷积编译码程序，可运行通过，并生成误码率曲线图(rs+conv encoding and decoding)

说明：  基于stm32的自适应滤波的描述，有详细的滤波器的设计的描述方法(Based on the description of STM32 adaptive filter, a detailed description method of filter design is given.)

说明：  基于MATLAB语言实现了BPSK、QPSK和QAM在数字通信中的误码率性能，并与理论性能进行了比较。实现了两个发射天线的分集，分析了分集提高误码率性能的原因和实质。(Based on MATLAB language, the BER performance of BPSK, QPSK and QAM in digital communication is realized and compared with the theoretical performance. The diversity of two transmit antennas is realized, and the reason and essence of diversity improving BER performance are analyzed.)

说明：  可用于最小二乘支持向量回归相关问题，非线性拟合及预测(It can be used in least squares support vector regression, nonlinear fitting and prediction)

IEEE 39 BUE TEST SYSTEM,可用于潮流计算(IEEE 39 BUE TEST SYSTEM)

利用高阶累积量作为特征量对信号进行识别，程序完整可用，注释清晰，值得学习(high_cumulation_recognize_signal)