sift-code

设计一个半带滤波器，将信号进行2倍内插后进行滤波。(design a half band filter. twice frequence and then filter.)

HHT谱计算程序，不是rilling版本，用改进的Hilbert变换，效果好一些，供大家参考。(HHT spectrum of the calculation procedures, rilling is not a version of the Hilbert transform used to improve the results better for your reference.)

matlab的初学者可以借鉴的程序，产生简单的信号(matlab beginner can learn from the process, resulting in a simple signal)

一个用matlab解决微分方程的例子，比较适合初学者(To solve a differential equation using matlab examples, more suitable for beginners)

FM modulation using Matlab

主要计算电力系统机组组合问题，高智能算法，收敛效果好，迭代稳定(Main computing unit combination problem of power system, intelligent algorithms, convergence effect is good, stable iteration)

给定栅格图象及其变形后的栅格图象，请你首先确定各栅格交叉点的位移，然后采用控制栅格的方法编写实现图象几何校正的程序(Given raster images and raster images after deformation, you first determine the grid cross-point displacement, and then using the control method of preparation of raster realize image geometric correction procedures)

Implements a data-driven noise tracking algorithm suitable for nonstationary noise sources.

SAR-CSA算法成像(matlab)，成像效果好，有一定的参考价值(SAR-CSA image matlab)

分析相位耦合的两个算例，分别利用了双谱和双相干系数法(Analysis of phase coupling of two examples, namely the use of a dual spectrum and bicoherence France)