目录摘要……2第一章绪论41.1研究背景41.2研究意义51.3发展与规划.....6第二章LTE系统原理概述82.1LTE/SAE网络结构及基本概念82.2LTE关键技术...10第三章LTE基站勘察方案123.1基站初步勘察流程1...

AbstractIn today's society with an increasing number of private cars,in addition to the increasinglyserious problem of road congestion,the supporting parking lot is also in urgent ...

杆的振动是影响BTA加工质量的重要因素。本文主要在现有理论研究的基础上，建立BTA深孔钻头数学模型，分析BTA的力学特性。BTA深孔钻的力学特性对其性能、寿命、加工质量等都有极其深远的影响。通...

安微工程大学机电学院毕业设计安徽工程大学机电学院本科毕业设计（论文)任务书2013届电子信息工程专业学生姓名：戴德政毕业设计（论文)题目中文：地下管道超声检测系统硬件设计The hardware des...

中国地质大学（武汉）远程与继续教育学院毕业设计（论文）ABSTRACTWith the development of the network technology,the Internet has become an interactiveenvironment to hand daily affairs...

基于相位恢复的光学信息安全技术研究合密钥先后采取傅里叶变换，滤波以及逆傅里叶变换等步骤解调出对应的纯相位密钥，然后结合载体图像，利用双光束干涉的光学装置便可以提取出相应的图像。同时...

AbstractThis project analyzes the technical characteristics of STM32F030F4P6microcontroller and the main functions of audio player,putting forward amethod of hardware and software ...

AbstractWith the extensive development and application of China's drone inmany research fields,people have higher and higher requirements andexpectations for it.More and more socia...

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AbstractWith the high quality of life brought about by economic development,thevast majority of people pay more and more attention to their own property andhome security.They hope ...