zero-crossing

边界检测源码，hough距离，有例子，简单明了，并测试可以使用(Boundary detection source, hough distance, there are examples of simple and clear, and test can be used)

测试ADC的各个动态参数，如SNDR,THD,SFDR,ENOB,INL,DNL(ADC dynamic parameters of the various test)

此程序能够很好的实现调频调相调幅等多种调制方式和多进制的调制。(This process can achieve the frequency modulation and amplitude modulation and other multi-band modulation.)

真对gpr在不同介质层的模拟，采用matlab编程形式，得到各种波形。(simulation of ground penetrating radar in different mediums.)

用matlab画的一个类式koch的曲线(using Matlab painting a kind of curve-koch)

matlab低通滤波器 iir 双线性变换法 chebyshev高通滤波器(low-pass filter matlab bilinear IIR chebyshev transform high-pass filter)

main program of avg crystal

matlab实现三维CT图像的分割，阈值分割法来实现(Three-dimensional CT images matlab segmentation, threshold segmentation method to achieve)

matlab教程，有关电路分析的运用，很好的一本书，希望对你有所帮助(matlab tutorial, use the circuit analysis, a good book, I hope for your help)

水文分析中干旱指标spi的计算代码，可计算多时间尺度的指标，黏贴成m文件即可，文件内有注释描述。(Spi hydrological drought index analysis of the calculation code, and calculate multi-time scale of the index, you can paste into the m file, file comments within the description.)