matlab 使用自定义函数，进行幂函数拟合。

最强大的QPSK、16QAM程序，可以生成QPSK、16QAM程序的Matlab仿真程序，注释十分详细，可直接运行或调用使用！已测试，可使用！(The most powerful QPSK, 16QAM program that can generate QPSK, 16QAM program Matlab simulation program, very detailed comments can be run directly or call use! Have been tested, you can use!)

在matlab中，利用全局阈值对图像进行图像分割，得到有用的区域(Global threshold image in matlab for image segmentation, get useful area)

用matlab编写的牛顿迭代方法求解非线性方程组：数值分析中很经典的代码(a matlab code of newton method solve system of nonlinear equations)

说明：  匹配追踪算法，一种可用于计算稀疏表示的贪婪算法(Matching pursuit algorithm, a greedy algorithm for sparse representation)

The time is calculated and converted to 64-bit in the first and second lines and then converted to local time zone before being converted to a SYSTEMTIME structure. Last of all the system time is set.

function to generate Rayleigh faded waveform.

it is an implementation of the algorhytm for the identification R peaks based on Pan-Tompkin

DISCRETE FRACTIONAL FOURIER TRANSFORM

Passive filter caculation for nonlinear three phase filter

希尔伯特黄变化学习总结，技术文档，含部分matlab代码，希望对大家有帮助(Hilbert Huang change learning summary, technical documentation, containing part of the matlab code, and hope to help everyone)