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该程序用以对m序列码的调制在负dB情况下解调的仿真，是对基带信号的调制(procedures for the right sequence code m in the negative dB modulation of the demodulation simulation of the base band signal modulation)

一个小巧有限元计算软件fem的licence和一个例子(A compact fem finite element software and an example of licence)

说明：  基于PSO（粒子群算法）的列车速度优化，matlab实现。(Train speed optimization based on PSO (particle swarm optimization) is realized by matlab.)

说明：  模型中明显地体现出模型设计主要有电流调节器和转速调节器两个负反馈闭环组成， 把转速调节器的输出当成电流调节器的输入，在通过电流调节器的输出控制后面的电路。 在这里电流环为内环，电压环为外环，所以形成了转速电流双闭环控制的直流调速系统。(The model obviously shows that the design of the model mainly consists of two negative feedback loops: current regulator and speed regulator, Take the output of the speed regulator as the input of the current regulator, and control the circuit behind it through the output of the current regulator. Here, the current loop is the inner loop and the voltage loop is the outer loop, so a DC speed regulation system with speed current double closed loop control is formed.)

GM（1,1）动态模型预测源代码，可以预测未来老年人口的比重，较好的人口预测模型(GM (1,1) dynamic model to predict the source code, we can predict the future the proportion of the elderly population, the better the population forecasting model)

本程序用来生成线性群时延滤波器，用于产生基带线性群时延，4倍上采样， 带内最大群时延失真为k个码元(This programme is designed to generate a linear group delay filter)

Matlab中用的所有命令,管理命令和函数,管理变量和工作空间,控制命令窗口等(Matlab Code)

说明：  matlab语言与控制系统仿真的课件 基于matlab的计算机仿真与辅助设计概述(matlab language simulation and control system software of the computer simulation based on matlab-aided design with an overview of)

信号检测与估计的教材的附录代码，仅供参考，加深对课程的理解(Signal detection and estimation of materials Appendix code, for reference, to deepen understanding of the curriculum)

Small tutorial of psim