APIT

this program is th simulink of lorenz map

提取图像sift特征，并且showkey函数在图像上直观的显示出来(Sift extracted image features, and showkey function in the image displayed on the intuitive)

本函数用于生成自然数环形矩阵，从里到外是0>n.编写者中北大学09级学生闫**。(This function is used to generate a circular matrix of natural numbers, 0> n from the inside to out. Yan** 09 North University students is the writers has full copyright. )

说明：  image processing-no of intensity levels

Sphere 函数的MATLAB实现。Sphere函数是一个优化问题的测试函数，经常用于优化问题的测试。(Sphere function of MATLAB implementation. Sphere function is a test function optimization problem, often used for optimization of the test.)

自动增益控制 AGC 的MATLAB 程序 (auotomation gain control matlab programmme)

Volterra_混沌序列的相空间重构程序，利用matlab编程，可以将一维时间序列重构到高维空间，挖掘出隐含的信息，提高预测精度，以Volterra混沌序列为例，展示混沌的美妙(Phase space reconstruction program, Volterra_ chaotic sequence using matlab programming, refactoring can be one-dimensional time series into a high dimensional space, dig out the hidden information, improve forecast accuracy, Volterra chaotic sequence, for example, showing the chaotic wonderful)

FFTpowerspectrumandtheestimated 利用 matlab编写的频谱估计源代码(FFTpowerspectrumandtheestimated using MAtlab)

二次逼近法计算tsp旅行商问题 (Quadratic approximation method to calculate the traveling salesman problem tsp)

word document which describes how to generate direct sequence spread spectrum signal.