add_phase_noise

(2,1,3)卷积码编码，硬判决译码；编码是matlab语言，译码是verilog语言((2,1,3) convolutional code encoding, hard decision decoding coding is matlab language, decoding is verilog language)

当空间调制（sm）系统中每个符号含有3bits信息(即3bit/s/Hz的频谱利用率)时我们选择：4根发送天线，BPSK调制方式和2根发送天线，4QAM调制方式进行比较。(When the spatial modulation (sm) system, each symbol comprising 3bits information (i.e. 3bit/s/Hz spectral efficiency) when we choose: four transmitting antennas, BPSK modulation method and two transmission antennas, 4QAM modulation for comparison.)

loc pss source code with sample parametr

MATLAB的梯度法源程序，按照提示输入，可直接运行(MATLAB source code of the gradient method, in accordance with the prompt input, can be directly run)

Simulated Annealing for Constrained Optimizatio

说明：  MATLAB有限元分析与应用，适用于matlab编程研究人员(Finite element analysis and application of MATLAB, matlab Programming for Researchers)

实现粒子群算法的PID控制功能，针对具体算例得出运行结果(Particle swarm optimization to achieve PID control functions, specific examples drawn operating results)

电力系统发生三相对称短路时用MATLAB进行潮流计算，计算短路电流和短路电压(Symmetrical three-phase short circuit occurs, the power system with MATLAB for flow calculation, calculation of short-circuit current and short-circuit voltage)

爬山法提取窗户，源数据是地面激光扫描点云(Hill climbing method to extract the windows, the source data is a ground-based laser scanning point cloud)

half band filter code