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这是一个关于SIFT算法介绍的pdf和ppt的合集，可以很好地帮助初学者了解sift算法。（中英文都有）(This is a collection of pdf and ppt about SIFT algorithm. I believe it can greatly help beginners to understand SIFT algorithm.)

车牌检测系统，使用matlab实现，里面带有车牌图片，很不错(License plate detection system using matlab to achieve, which with the license plate picture, very good)

《Matlab辅助现代工程数学信号处理》西安电子科技大学出版社出版配套代码的代码(The auxiliary modern engineering mathematics Matlab signal processing "xian university of electronic science and technology publishing supporting code )

simulink仿真代码 学习使用 适合初学者(the simulink simulation code learning to use for beginners)

一元线性回归和二元线性回归的matlab实例编程 包括有多元线性回归模型(Linear regression and binary linear regression matlab programming examples include multiple linear regression model)

tells the spots to open and to flag in a 5*5 minesweeper(needs to be called again and again) can be expanded for bigger minesweeper games easily

biometroics lecture notes

说明：  最近看到有人提问怎样用FFT实现频谱分析，我认为能够进行到频谱分析的人，对于系统研究的深度基本上已经相当不错了。本人今天做了一个例程，发给大家参考一下。 历程主要内容(signal_analyzer.rar)如下： test1.txt 第一列为时间t，0.001s为步长；第二列为系统的输入信号；第三列为系统的输出信号。 signal_analyzer.m首先将test1.txt 的数据读入workspace，然后进行FFT，分析出两信号的频率，输出对于输入的幅值衰减（db），输出对输入的相位差。(The question was asked recently to see the realization of how to use FFT spectral analysis, I think that spectral analysis can be carried out to those who study the depth of the system basically is already quite good. Today I made a routine, distributed to Members for reference. The main contents of the course (signal_analyzer.rar) are as follows: test1.txt the first time as t, 0.001s for the step the second as the system input signal the third as a system output signal. signal_analyzer.m first test1.txt data read into workspace, and then proceed to FFT, analysis of the two signal frequency, output amplitude for input attenuation (db), the output of the input phase difference.)

双向DCDC的简单电流控制，既可以升压，也可以降压，适合于储能，光伏接入电网(bidirectional dc dc )

A simulink model for a direct online starting of an induction motor connected directly across the line.