Feature.extraction.and.image

Matlab中从文件夹中批量读取文件的做法，程序后有详细说明，简单易学！(Matlab, read from a folder in the batch file approach, procedures are detailed, easy to learn!)

说明：  该程序是采用MATLAB编写的一个二维优化算法，对于初学者很有用！(that the procedure was prepared by using MATLAB a two-dimensional optimization algorithm, very useful for beginners!)

三相桥式整流电路带阻感负载谐波电流源,用simulink搭建的谐波检测仿真电路。用于对所产生的现象进行合理解释，并对波形进行傅立叶频谱分析。(Three-phase bridge rectifier circuit with resistive inductive load harmonic current sources of harmonic detection using simulink simulation circuit structures. Generated for a reasonable explanation of the phenomenon, and the waveform Fourier spectral analysis.)

NEGF method to calculate the resonant tunnelling diode

说明：  Modify the Matlab Gauss Elimination routine given in lectures so that it (a) performs implicit complete pivoting, and (b) handles m right hand sides at once by performing an LU decomposition of the matrix A first and then doing forward substitution and back substitution (hence not modifying the right hand side as the elimination is perfomed). Test your program and then run it on the system AX = B(Modify the Matlab Gauss Elimination routine given in lectures so that it (a) performs implicit complete pivoting, and (b) handles m right hand sides at once by performing an LU decomposition of the matrix A first and then doing forward substitution and back substitution ( hence not modifying the right hand side as the elimination is perfomed). Test your program and then run it on the system AX = B)

余割函数方向图的天线设计，其中给出了设计原理和实物图。(Cosecant pattern of the antenna design, which gives the design principle and the physical map.)

说明：  一种新颖的启发式优化算法：飞蛾扑火算法（MFO）(A novel heuristic optimization algorithm: moth flame-fighting algorithm (MFO))

用matlab做面积法系统辨识,matlab源码，经过测试，程序辨识准确率高。(use matlab to sovle the problem of system identification by using area method)

说明：  boost电路仿真，元件采用的是igbt，用触发脉冲触发的(boost simuliation The components are IGBT and triggered by trigger pulse.)

cdma系统matlab仿真，在两个用户的背景下采用了直接扩频码实现扩频解扩，bpsk调制解调，程序已经运行过，没有问题！(cdma system matlab simulation, in the context of two users using a direct spread spectrum spreading codes realize despreading, bpsk modem, the program has been run before, no problem!)