wavelet_transform3

主要是通过matlab编写设计一个矩形窗的程序(Written mainly by matlab program to design a rectangular window)

两个图像的峰值信噪比（psnr）计算公式 归一化系数计算 dwt嵌入数字水印(PSNR of two images (psnr) formula normalized coefficients dwt Watermarking)

vc和matlab混编技术之一：vc++基于com组件调用matlab的dll(One of vc and matlab mixed technology: vc++ DLL based on matlab com component calls )

这是一个2fsk的跳频系统程序，很有帮助的，(This is a 2fsk hopping system procedures, helpful,)

EM Wave propagation and antenna analysis m-files:

经常看到很多朋友问定步长的龙格库塔法设置问题，下面吧定步长四阶龙格库塔程序贴出来，有需要的可以看看 (Often see many of my friends ask determining step Runge-Kutta method set problem, the following step you set the fourth-order Runge-Kutta procedures paste out, there is a need to look at the)

语音分帧程序，对一个语音信号进行分帧，并研究分帧后的短时能量和过零率特性(Voice framing procedures, a voice signal framing, and to study the sub-frame after the short-term energy and zero crossing rate characteristics)

本代码分析了全光纤微环谐振器的传输特性，同时分析了谐振器的参数如光纤的直径、微环的半径等，对谐振器的性能如自由光谱范围（FSR）及品质因子Q值的影响。(This code analyze the transmission characteristics of all fiber optic micro-ring resonators and the relation between the resonator parameters, such as the diameter of the optical fiber, the radius of the micor-ring, and the performance of the micro-ring, such as the free spectral range (FSR) and the quality factor Q .)

matlab仿真精华，关于三相异步电机的多个案例，很有用(the matlab simulation essence, multiple cases of the three-phase asynchronous motors, useful)

incremental slow feature analysis version 1