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软件设计/软件工程 Designing and implementing a database of geographical information pertaining to the United States,
Designing and implementing a database of geographical information pertaining
to the United States, Canada, and Mexico
Java编程 Local Lucene ==================== Provide geographical based searching to lucene in an efficent ma
Local Lucene
====================
Provide geographical based searching to lucene in an efficent mannor
Contents
* Compiling from Source
* Using local lucene
Author: Patrick O Leary
email: pjaol@pjaol.com
A white paper on local lucenes usage is available
http://www.nsshutdown.com/projects/lucene/wh ...
VC书籍 地理信息系统简称GIS(Geographical Information System)
地理信息系统简称GIS(Geographical Information System)，是六十年代开始迅速
发展起来的地理学研究新技术，是多种学科交叉的产物。地理信息系统是以地理空间数据库为基础，采用地理模型分析方法，适时提供多种空间的和动态的地理信息。即采集编辑、存储管理、处理分析、传输地理数据，以多种形式输出数据和图形产品，为地 ...
书籍 Radio Resource Management
In a cellular communication system, a service area or a geographical
region is divided into a number of cells, and each cell is served by an
infrastructure element called the base station through a radio interface.
Management of radio interface related resources is a critical design
component in cel ...
书籍 Cognitive+Radio+Networks
According to the statistics of the Federal Communications Commission
(FCC), temporal and geographical variations in the utilization of the as-
signed spectrum range from 15% to 85%. The limited available radio spec-
trum and the inefficiency in spectrum usage necessitate a new commu-
nication paradi ...
书籍 Internet+Data+Centers
With the proliferation of cloud computing and Internet online services, more and
more data and computation are migrated to geographical distributed Internet data
centers (IDCs), which can provide reliability, management, and cost benefits.
However, IDC operators encounter several major problems in I ...
技术资料 基于STM32单片机及NB-IoT的智能快递包裹箱设计
为解决快递行业存在的包装物浪费、污染和保护个人隐私问题,设计了一款可重复使用的智能快递包裹箱.箱体内采用NB-IoT模块传送信息,采用GPS模块实时记录快递的地理位置,稳压模块用于给箱体提供稳定的直流电源;箱体上采用二维码记录收发件信息;箱体外采用无线方式充电.该设计可以帮助学生掌握通信、电路、电子设计和单片机等方 ...
技术资料 无线传感器网络LEACH算法的研究与改进.rar
无线传感器网络能实时监测、感知、采集和处理各种监测对象的信息，在军事、环境监测和工业生产等方面具有十分广阔的应用前景，是当前国际上备受关注的新兴前沿研究热点之一。在无线传感器网络应用众多亟需解决的问题中，如何利用无线传感器网络有限的能量资源和各节点地理位置信息，确立目标区域的路由，是无线传感器网络研 ...