chengxu

雷达信号处理，马晓岩写的，是雷达信号处理的入门必备书籍(Radar signal processing, Xiao-Yan wrote, is an essential introduction to radar signal processing books)

Calculating Arias Intensity of earthquake.

产生一个BA无标度网络模型，可以方便的分析(Generating a BA scale-free network model, you can easily analyze)

Basic program to print a text or a character for the basic learners..

说明：  用matlab实现了FM调制解调过程，能很好地用图形来显示调制解调过程。(Achieved using matlab FM modulation and demodulation process, can well use the graphics to display modem process.)

Dbscan 算法的matlab代码，是经典的聚类算法，可以用来分类(it s Dbscan, a classic algorithm, which can be employed to classify the spatial data. )

design of electric machines by mec

this is classifier using Euclidean distance measure for palm print recognition

边界元算法求解正方形导热问题实例。一个简单的二维导热模型，用BEM算法求解，用于学习边界元编程。(Boundary element method for solving square conduction problem instances. A simple two-dimensional heat conduction model, using BEM algorithm for learning boundary element programming.)

some useful definitions in project designs