Report

PCA的步骤： 1 先将数据中心化； 2 求得的协方差矩阵； 3 求出协方差矩阵的特征值与特征向量； 4 将特征值与特征向量进行排序； 5 根据要降维的维数d’,求得要降维的投影方向； 6 求出降维后的数据； (PCA steps: 1 of the first data center 2 covariance matrix obtained 3 obtained covariance matrix eigenvalues and eigenvectors 4 eigenvalues and eigenvectors will be sorted 5 according to the dimension of dimension reduction d ' , seek to reduce the dimension projection direction 6, the data obtained after the dimensionality reduction )

一种基于自适应按需加权分簇算法的CBRP路由协议研究(Based on adaptive on-demand weighted clustering algorithm for routing protocol research CBRP)

合成语音质量的客观评价，包括信噪比，倒谱距离，平均值等。用matlab程序实现。(Synthesis of an objective evaluation of voice quality, including signal to noise ratio, cepstral distance, average and so on. Using matlab program.)

生物电阻抗法设计了简易人体脂肪含量测试系统。利用人体的电特性分析人体组 分并以此判断被测者的健康状况。测试系统根据被测人群的年龄段、性别、体型等分类测试。( Based on a new technology which flourishes in recent years-bioelectrical impedance analysis CBIA) ,a measurement system for body FM is designed. )

说明：  图论中KM算法程序子程序，进行最优匹配，可解决分配问题(KM algorithm in graph theory)

u"+u=sinx, 0<x<1 u(0)=0, u(1)=0

本程序可实现ARMA的仿真结束估计，用matlab编写(This procedure enables the simulation end of the ARMA estimates prepared using matlab)

本书以移动通信系统为背景，系统介绍射频系统的各个模块的基本原理，分析其设计方法，以及射频系统的构成与设计的基本知识。本书内容主要包括：射频电路的特点与常见的移动通信系统、传输线、噪声与非线性失真、低噪声放大器、功率放大器、振荡器、锁相与频率合成技术、调幅与检波、调角与解调、数字调制与解调、收发信机的结构与设计等(The book mobile communication system as the background, the system introduces the basic principles of the various modules of the RF system, analyze the basics of composition and design of its design methods, and RF systems. This book includes: the RF circuit and the common features of a mobile communication system, transmission lines, noise and nonlinear distortion, low noise amplifiers, power amplifiers, oscillators, PLL frequency synthesizer technology, AM and detection, and de-tune the angle and other tone, the digital modulation and demodulation, the transceiver structure and design)

Channel equalization matlab sourcecode, fully functional with BER analysis

this is a m.faile of matlab for detection work