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该文档是数字通信第五版的课后答案，英文版的答案(This document is the answer to the fifth edition of digital communication after class and the answer to the English edition.)

gps tracking system in java.it receives and decodes nmea sentences.

安卓百度地图实时定位（源码+APP） 安卓百度地图实时定位（源码+APP）(Android Baidu Map Real-time Location (Source + APP))

为了提高车辆编队控制效果，本文在领航跟随者方法的基础上，针对系统内参数的不确定性和外界干扰问题，将自适应和鲁棒控制方法应用于车辆编队，并依据图论相关知识确定了编队层数最少的编队队形组织规则。(In order to improve the effectiveness of vehicle formation control, this paper applies adaptive and robust control methods to vehicle formation based on the pilot follower method, aiming at the uncertainties of parameters in the system and external disturbances, and determines the formation formation organization rules with the least number of formation layers according to graph theory.)

说明：  蚁群算法的优化计算-二维路径 经过优化，效果比较好(Two dimensional ant colony algorithm for path optimization After optimization, the effect is better)

library managemnet system conains php source code plus sql database

python与机器学习实战教程，机器学习通过Python语言实现，通过大量的实例再现机器学习强大的生命力(Python and Machine Learning Practical Course. Machine Learning is realized by Python Language, and the powerful vitality of machine learning is reappeared through a large number of examples.)

matlab ＡＳＫ　实现　１６进制的调制与解调-matlab ASK 实现　　　１６进制的调制与解调

应于数字图像处理中的标准图像数据库，很全面。(The standard image database, which should be used in digital image processing, is very comprehensive.)

说明：  端面抽运的掺Yb双包层光纤激光器输出泵浦功率以及热效应计算掺稀土离子双包层光纤激光器的理论分析对实验中系统结构和参数优化具有重要的作用。我们主要运用速率方程理论和matlab对端面抽运的掺Yb双包层光纤激光器输出泵浦功率以及热效应计算。(Calculation of Pumping Power and Thermal Effect of End-pumped Yb-doped Double-clad Fiber Laser)