timevarying

the theorem that the order of each subgroup of a finite group is a factor of the order of the group.

16QAM实现程序，实现其星座图识别，调制和解调，并加载在高斯白噪声信道上(16QAM to achieve the program achieve its constellation identification, modulation and demodulation, and load in the white Gaussian noise channel)

LS（Least Square，最小二乘法）算法是信道估计算法中最基本的算法之一。在MIMO-OFDM系统中，经常选择LS算法或其改进算法对信道进行估计。利用LS算法设计信道估计器，算法结构简单易于实现，且估计器不需要知道信道中各个收发天线对之间的自相关矩阵和噪声。(LS (further Square, Least Square) algorithm is one of the most basic algorithm of channel estimation algorithm. In MIMO- OFDM systems, often choose LS algorithm and its improved algorithm for channel estimation. Use of channel estimator and the LS algorithm design algorithm structure simple and easy to implement, and the estimator does not need to know in the channel between the sending and receiving antenna for autocorrelation matrix and noise. )

solving 1d transport (advection + diffusion)problem: dQ/dt+U dQ/dx=0

这是简单的一个可以绘制直线的matlab程序。这个程序只能绘制直线，圆等。程序简单，希望大家互相学习探讨。(this is a program about how to draw the line,the circle and so on.I hope we can learn the programe each other. thank you.)

Anti-Reset windup based DC motor system

matlab程序用于计算光镊中的轴向力，开发者使用高超的matlab编程能力，是程序简洁易懂(matlab source program for calculating opitcal trap force.Programmer made use of his higher lever ability to create a simplified and easy to understand progfram. )

判断两幅图是否一样（包括相似图像的判断和完全不一样的图像判断）(Determine whether the two images the same (including judgments and similar images of a completely different image to check))

应用ＭＡＴＬＡＢ对双边带调制进行仿真，和性能分析(Application of MATLAB to bilateral modulation simulation, and performance analysis)

Iris recognition using Support vector machine and Hamming distance