shoushishibie

数字滤波器在数字信号处理领域中已经得到广泛应用,MATLAB 软件的频谱分析和滤波器的分析设 计功能很强,从而使数字信号处理变得十分简单。利用MATLAB 的数字滤波器设计工具箱可以快速有效地设计各种数字滤波器,设计简单方便。介绍了IIR 数字滤波器的设计原理、步骤以及在MATLAB 中的实现。(Digital filter in the field of digital signal processing has been widely used, MATLAB software for spectrum analysis and filter analysis and design features strong, so that digital signal processing have become very easy. MATLAB using the Digital Filter Design Toolbox can quickly and efficiently design of digital filters, design is simple and convenient. Introduction of the IIR digital filter design principles, steps and in the implementation of MATLAB.)

利用adapt函数对自适应滤波网络对时变正弦信号进行自适应预测。(Adapt the use of adaptive filtering function network for time-varying sinusoidal signal adaptive prediction.)

微波滤波器耦合矩阵综合， 1 根据传输零点位置，回波损耗求出耦合矩阵； 2 从S21 S11多项式出发 综合出耦合矩阵； 3 已知传输零点位置，滤波器阶数，回波损耗画出滤波器的S参数，分别以4阶和八阶滤波器为例。(1synthesize coupling matrix by the transmission zeros, return loss 2 synthesize coupling matrix by S21 S11 polynomial 3 draw the S parameters of the filter by transmission zeros, return loss,order of filter, Using 4 order and 8 order filter respectively as an example.)

Optimization by simulated annealing genetic algorithm, genetic algorithm so that the reverse search capabilities, through the simulation shows that can be better value.

对space borne GPS 接收机 Phoenix的数据处理matlab 程序(data processing for the Phoenix space-borne GPS receiver)

一种基于均匀圆阵的传播算子高分辨算法，能快速准确进行360度的DOA估计(A method based on uniform circular array propagator high resolution algorithm, can be fast and accurate to360 degrees DOA estimation )

本源代码是MATLAB语言下的粒子群算法的实例，有需要的朋友可以参考(pso source code )

说明：  用多层前向网络的BP算法拟合函数 说明：1）网络结构为三层（输入层、1个隐层和输出层）； 2）获取两组数据，一组作为训练集，一组作为测试集； 3）用训练集训练网络； 4）用测试集检验训练结果。(Fitting the function with BP algorithm of multilayer forward network)

说明：  滑膜变结构控制的matlab仿真程序,学习滑膜变结构控制的基础。(Variable structure control synovial matlab simulation program, learning the basis of variable structure control synovium.)

face reconigtion system use neural network