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对一种三相无源功率因数校正电路进行了参数的优化和仿真，仿真结果表明，运用Matlab中的SimPowerSystems模块对复杂的电路进行仿真分析和研究，不失为一种准确、直观有效的方法。 (Of a three-phase passive power factor correction circuit parameter optimization and simulation results show that the use of Matlab in SimPowerSystems module circuit simulation of complex analysis and research, after all, a precise, direct and effective way.)

learnig based on computer for read

针对C语言环境下的电力系统潮流计算过程中，负责数据输入的子程序。(Power flow calculation for the C language environment in the process, is responsible for routine data entry.)

Calculation of diffraction efficiency of rectangular phase grating (scalar theory)

主要是完善的MLD检测，并且仿真出误码率图(Mainly the MLD detection, and simulation of bit error rate in Figure)

DC DC Buck Chopper Converter

说明：  Andrew Ng Cousera 机器学习课程神经网络手写字符识别，源代码以及说明文档(Andrew Ng Cousera 's Machine learning courses, Neural Network handwritten character recognition, source code and documentation)

This code for target tracker in matlab

基于MATLAB的simulink汽车仿真模型，按功能结构分割，得到汽车的能源-动力学模型(MATLAB simulation model based on the simulink car, according to the functional structure segmentation, automotive energy- kinetic model)

用于主成分分析的源码，由例子可以直接了解PCA的步骤方法(Principal component analysis of the source code used by the example of the method can be directly aware of the steps of PCA)