PN_sequence_generation

this file is about band structure of 3d photonic crystal.in this program we use the pwe methode for calculation of band structure

关于matlab中simulink模块最详细的使用教程。包括每个模块的生成、设置、布局连线等等。非常详细。(On the use of MATLAB Simulink module in the most detailed tutorial. Including build, Setup, layout of the wiring each module, and so on. Very detailed. )

说明：  模式识别中的Expectation maximization算法的matlab源码(Expectation maximization algorithm)

sample program for wavelet transform

采用标量衍射理论，实现菲涅尔衍射和夫琅禾费衍射，对光波的波前传播和数字全息的应用有帮助。(Using scalar diffraction theory, Fresnel diffraction and the realization of Fraunhofer diffraction of light waves of wave-front propagation and the application of digital holography to help.)

LDPC maker matrix matlab code

该程序为IEEE 802.15.4物理层仿真程序。工作频段为2.4GHz,信道模型为AWGN，仿真不同SNR情况下的BER。(This is a matlab programme of IEEE 802.15.4 which simulate the ber in different SNR values.The channel model is AWGN.)

利用matlab绘制图像灰度直方图，能够表现像素统计的结果(Using matlab to draw the image histogram, the statistical results can show pixels)

基于MATLAB用于提取语音信号的特征参数如倒谱，语谱等，可以方便的检测出语音信号的基频，共振峰。(Cepstrum based on MATLAB is used to extract the characteristics of the speech signal parameters such as language spectrum, can easily detect the speech signal fundamental frequency, formant.)

matlab 的数学方法，很好的书籍，可作为手头必备(matlab mathematical methods, good books, can be used as an essential on-hand)