huffman

可以实现旋转和平移图像的拼接，简单而实用。(Can achieve rotation and translation image stitching, simple and practical.)

in this file programm of finding pca analysis is given

雷达自动检测与恒虛警处理，清华出版社，很经典的一本书(Automatic radar detection and CFAR, Tsinghua University Press, a classic book)

Contemporary communication system with matlab

说明：  matlab绘图的程序，包括各种图形绘制方法和说明，对初学者帮助很大。(matlab graphics procedures, including a variety of graphic drawing method and description of great help for beginners.)

2D PWM Photonic crystal source code

MATLAB下FFT变换实用2个例子，可以进行绘制fft波形及计算THD(The MATLAB FFT transform practical two examples can draw the fft waveforms and calculate THD)

模糊聚类分析的源代码 ，其中包括矩阵标准化，模糊相似矩阵(Fuzzy Cluster Analysis of the source code)

It is used for understanding the phenomenon of pendulum and chaos. It s good for beginners.

analog phase locked loop