1001-0548(2012)02-0208-04

求从1到20的阶乘，并且可以推广到N阶阶乘，。(Demand from 1 to 20 factorial, and can be extended to N-order factorial,.)

MATLAB实验教程，包含通信方向的所有基础实验：矩阵运算，图形显示，调制解调，误码率分析以及功率谱密度编写和实现。(MATLAB experiment course, including communication of the direction of all the base experiment: matrix computation, graphs, demodulation, ber analysis and power spectral density to write and realized. )

My demonstration program is coded by MATLAB. For the program, some optimization at coding level and algorithm level are proposed to improve the performance of my fingerprint recognition system. These performance enhancements are shown by experiments conducted upon a variety of fingerprint images. Also, the experiments illustrate the key issues of fingerprint recognition that are consistent with what the available literatures say.

svd和nmf的对比，在时间和效果对比，各个算法的特点(svd VS nmf)

fuzzy based leach with direct transmission to base is allowed if base station is closed than the cluster head

一个关于正弦信号的画图程序，用着很简练，方便(A sinusoidal signal on the Paint program, with a very concise and convenient)

自己编写的一个有关曲线追踪算法的程序，输入变量为离散点阵，输出为追踪趋势点。(I have written a program on curve tracing algorithm, the input variable for the discrete lattice, the output point for tracking trends.)

详细介绍了数组高精度数，通过这个资料可以很好的学习如何使用(Introduces in detail to solve the array degree, through this material can be very good learning how to use )

说明：  LDPC的编码，硬解码，软解码，以及性能仿真。(LDPC coding, hard decoding, soft decoding, and performance simulation.)

说明：  随机采样，小波基，OMP算法的压缩感知重构matlab代码(Random sampling, wavelet basis, OMP algorithm and reconstruction of matlab code)