409DOA

the mathlab source code for documents classification

给出利用S函数进行Simulink仿真时，调用.mdl文件的接口函数，每一步均给出了相应的注释说。(Give the Simulink simulation using the S function, interface function call of.Mdl files, each step are given in notes.)

卫星轨道书中附带的C++程序，很好地一本书，对于卫星设计很重要(The book comes with a satellite orbit C++ program, a good book, it is important for the satellite design)

比较专业的PID控制器，主要实现了以下几种常用的理论：Ziegler&Nichols、Cohen Coon、Reglabilite、IMC、Optimiszation、De Crite、PID1、PID2 (Comparison of professional PID controller, the main achievement of the following types of theories commonly used: Ziegler & Nichols, Cohen Coon, Reglabilite, IMC, Optimiszation, De Crite, PID1, PID2)

DD算法实现语音增强，噪声谱估计，根据寂静帧和后面能量的对比来估计(DD algorithm speech enhancement, noise spectrum estimation, based on comparative silence frame and rear energy to estimate)

IEEE802.16系统规定的信道模型 适用于城市环境的SUI-3模型是WIMAX系统信道建模时的必备(Requirements for IEEE802.16 channel model applicable to the urban environment of the SUI-3 model is a WIMAX system channel modeling essential)

模式识别课程作业-神经网络分类IRIS数据集.共两层网络，程序有详细注释。程序结果将输出到EXCEL文件中，也很详细。(Course work in pattern recognition- Neural Network Classification IRIS data set. A total of two networks, a detailed program notes. Program results will be output to the EXCEL file, and very detailed.)

是一个应用matlab编写的基于pca读取人脸的人脸识别和人脸检测软件，是一个非常不错的人脸检测识别软件。希望对大家有用(Matlab is an application prepared by the pca read on the face and face recognition face detection software, is a very good face detection recognition software. We hope to useful)

Propagation of a secant hyperbolic pulse in a dispersive media. Solution of an example in the Agrawal s book Nonlinear Optics

这是一段matlab程序，主要目的是为了完成连续潮流下的极限问题(This is a matlab program, the main aim is to achieve continuous trend in order to limit the problem)