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按上/下键修改LED数码管显示数值，输出D/A转换后的电压值，方案2(up and down key to change the dispay number and output a D/A voltage)

说明：  最大类间方差法又称otus方法，是日本学者大津展之在最小二乘法原理基础上提出来的，其本质是一种阐值分割方法。 (Otsu method, also known as otus method, Otsu, Japan scholars in the development of the least squares method based on the principle put forward by its very nature is a kind of illustrates the value of segmentation.)

倒立摆作业，源程序和代码，文章说明，用起来比较好(Pendulum operations, source code and the code, the article shows that it is better to use)

说明：  matlab与weka的转换代码，很有用(matlab and weka conversion code, very useful)

基于matlab仿真的无限冲击响应IIR滤波器完整程序实例，希望对大家有所帮助！(Based on the the matlab simulation infinite impulse response IIR filter complete program instance, we want to help!)

FFT的实现的Matlab代码，利用Matlab来实现FFT，从而计算DFT(The Matlab code for FFT)

Cypress assemblie information (Cypress assemblie information)

基于matlab编程开发的一段代码，实现并测试通过了HEeMof流程的HEeMof功能，适用于初学HEeMof者学习该算法的原理，已经编译通过了，测试正常. (Matlab-based programming development of a piece of code, implemented and tested by theHEeMof process functions for beginners to learn sfs principle of the algorithm has been compiled through, the tests are normal. )

Rayleigh fading channel is simulated is the attachment.

Mathematical analysis for engineering