assign_2_a

使用这个matlab程序，你可以对图像实现加高斯白噪声或者椒盐噪声(whth this matlab code，You can add Gaussian white noise or salt and pepper noise on the purpose image )

fisher线性鉴别分析的人脸识别，在ORL库上实验，可在其他库上运行(fisher linear discriminant analysis for face recognition, in the ORL database on the test can be run on other database)

说明：  BPSK的调制解调以及误码率等的matlab仿真(BPSK modulation and demodulation, and bit error rate of matlab simulation)

基于分水岭算法源程序含文章，可有效分割处图像(Based watershed algorithm source code containing the article, which can effectively split at the image)

机械设计及理论 转子动力学中对轴承的研究(Mechanical Design and Theory Rotor Dynamics)

通过matlab实现人工免疫算法的源程序，很好用的(Through the realization of artificial immune algorithm matlab source, well used)

 产生长度为1000的标准正太分布的随机信号，画出时域波形及频谱；  采用u=255的非均匀PCM编码，每符号为8bit，画输入-输出关系图；  计算信号量化噪声比（SQNR）；  信道误码率为10-3；  解码，并画出u律反变换后的信号时域波形及频谱。 扩展要求：  采用均匀PCM、量化级数可变、信道误码率可变。 ( have a standard length of 1000 is too random signal distribution, draw time-domain waveform and frequency spectrum  u = 255 using the non-uniform PCM encoding, each symbol for 8bit, drawing input- output relationship diagram  calculated quantization noise signal than (SQNR)  channel bit error rate of 10-3  decoder, and law to draw u the signal after the inverse transform time-domain waveform and frequency spectrum. Expansion of the requirements:  uniform PCM, quantization level variable, a variable channel bit error rate.)

是对于是128*128灰度图片的压缩MATLAB代码,希望有人会有用(For 28* 123 gray image compression MATLAB code, hope someone will be useful for)

这是王长清教授的关于时域有限差分解光子晶体的书，这本和高本庆教授的结合看能深刻理解FDTD方法。(This book is about the method of FDTD that is written by Pro.Wang Changqing,one can read it with the book that written by Pro.Gao Benqing to obtain FDTD.)

对于配电网负荷不对称情况下各段线路结构系数进行计算(For the case of asymmetric load distribution network circuit structure coefficient of each segment is calculated)