invariance

说明：  有详细说明的手编模拟退火法及其示例，为TXT文件，复制到指定M文件即可运行(Detailed description of the hand for example, simulated annealing and for the TXT file, copy the file to run the specified M)

包含菲涅尔衍射，夫琅禾费衍射和衍射各种传递函数比较，园，十字叉丝，方孔，考扭曲线等的matlab程序(Includes Fresnel diffraction, Fraunhofer diffraction and diffraction comparison of various transfer functions, garden, crossed wires, the hole, twisted lines of matlab test procedures)

HHT是历史上首次对Fourier变换的基本信号和频率定义作的创造性的改进。他们不再认为组成信号的基本信号是正弦信号,而是一种称为固有模态函数的信号(HHT is the first time in the history of the Fourier transform basic definition signals and frequencies for creative change Progressive. They will no longer signal that the basic component signal is sinusoidal signal, but as an intrinsic mode function signals)

knights tour clustering

说明：  根据波导的边界条件求取麦克斯韦方程组，对波导当中电磁波传播的模式进行仿真(strike the Maxwell s equations According to the boundary conditions of media ,simulate electromagnetic wave propagation of waveguide modes )

FIR滤波器中汉宁窗和布莱克曼窗幅频特性曲线和相频特性曲线对比(FIR filter Hanning window and Blackman window of amplitude-frequency curve and phase frequency response curve compared)

对信号进行常数模算法的仿真。这类算法对信号具有很好的均衡效果，且运算简单。(Constant modulus algorithm for the simulation of the signal. Such algorithms on the signal has a well-balanced effect, and simple operation.)

This program : use to calculate the tomographic slices, we needed to take a column from each projection and group them all together. The following sinogram is a collection of all the 64th columns from all of the projections the columns are then rotated to be horizontal.

求序列的自相关和互相关值的matlab实现！(The function for solving the autocorrelation and cross correlation values)

NNDA;PDA;JPDA;IMM数据关联算法matlab代码((NNDA PDA JPDA IMM Data association algorithm matlab code))