< PageIndex=1> <<PageIndex=2>>本文主要通过对企业物流的发展 里程的研究,总结了现代成功物流管理 的 经验和优点.-lt; Lt; PageIndex = 1gt; Gt; L t; PageIndex = inversion; Gt; This paper mainly of logistics enterprises in the development process, summed up the success of mod

本文是在人脸数据库的基础上做人脸特征提取和识别研究，主要内容如下： （1） 对人脸识别研究的内容、相关技术、主要实现方法及发展历程作了详细介绍。 （2） 介绍主成分分析法(PCA)、K-L变换，并利用特征脸方法实现了人脸识别。 （3）给出了基于matlab环境的编程及实验结果，并对结果进行分析。 关键词: 人脸识别，特征脸，K-L变换，主成分分析

The Global Positioning System (GPS) is a space-based navigation system that provides location and time information in all weather conditions, anywhere on or near the Earth where there is an unobstructed line of sight to four or more GPS satellites.[1

The Global Positioning System (GPS) is a space-based navigation system that provides location and time information in all weather conditions, anywhere on or near the Earth where there is an unobstructed line of sight to four or more GPS satellites.[1