高校网络机房智能监控系统设计

以高校网络核心机房监控为背景,设计一套网络机房智能监控系统,其组成包括监控管理平台、监控单元模块及远程监控终端.通过基于TCP/IP协议的监控管理平台有效地监控机房内动力系统、UPS系统、空调系统等的正常、稳定状态,保证网络及各个应用系统的正常运行.并提出了将该系统与网络监控平台Solar Winds Orion网管系统进行整合,搭建新型网络监控平台的措施和建议.     

面向机场跑道的智能视频监控系统设计与实现

为解决目前机场跑道视频监控智能化程度低、监控结果受人为因素影响较大的问题,结合多目标跟踪技术和轨迹分析技术,设计并实现了基于Client/Server网络架构的面向机场跑道的智能监控系统。服务器端可设置监控规则并显示相应的告警信息,客户端则负责对场景中的飞机进行跟踪获取运动轨迹,然后分析飞机是否违反规则并发送告警。系统在满足实时性的要求下,达到了智能监控的目的。     

基于安卓的远程智能监控系统设计

传统视频监控系统要求监控人员时刻紧盯画面,很容易造成监控人员视觉疲劳与疏忽,为克服该弊端,设计一种远程智能监控系统。通过客户端与服务器端的实现过程,重点阐述了智能监控系统的设计,通过对出现在监控场景中的运动物体进行检测,实现了对运动目标跟踪,使用感知哈希算法可以保证在光照变化时不丢失追踪目标,并开发了Android移动设备应用程序。用户在有网络的情况下可以查看监控场景,在应用程序退出后能够接受服务器传输过来的报警提醒。     

Html5在车辆智能监控系统中的应用

从物联网应用技术框架的三层结构（感知层、网络层、应用层）入手,研究车辆智能监控系统建设及Html5技术在系统中的应用。建设无线传输网络及智能控制监控系统,采用Html5技术实现车辆智能监控管理。     

基于GPRS城市智能交通控制系统组网方案设计

设计了一种由前端数据采集系统和监控中心组成的智能交通系统。该系统利用现有的中国移动GPRS网络将现场数据进行传输,从而实现对交通的实时监控。     

基于WSNs的智能家庭安防系统的设计

本文设计了一种基于无线传感网络的智能家庭安防系统,主要功能包括智能门禁系统、智能门窗防盗、煤气泄漏监测、远程视频监控、客户端和手机远程监控。该系统采用CC2530及传感器构建ZigBee家庭局域网,采用$3C2440A作为硬件平台,并搭载Linux操作系统来设计家庭网关,利用3G数字移动通信系统作为家庭外网。可通过3G网络与Intemet客户端软件实现远程监控。实际测试结果表明,该系统稳定可靠、方便扩展、界面友好。     

基于ZigBee技术的大棚温湿度无线监控系统研究

研究和开发了基于ZigBee技术的大棚温湿度无线监控系统。采用ZigBee技术将各种传感器、执行机构以及无线收发模块自组网形成无线传感网络,监控节点遍及大棚内各个监控位置,实现智能监控和数据管理。监控系统以PID控制算法为核心,对大棚内温湿度进行实时控制。实验表明,大棚温湿度无线监控系统能够有效监控大棚内温湿度变化,并且能够克服扰动,降低管理成本,提高大棚种植的科学管理水平、生产效率和植物产量及质量。     

基于无线传感器网络的实验室智能监控系统设计

介绍了一种基于Zig Bee无线通信技术的实验室智能无线监控系统。该系统由多个Zig Bee无线数据采集节点及一个Zig Bee协调器组成。Zig Bee无线数据采集节点接收温湿度传感器、烟雾传感器、人体红外传感器、继电器、火焰传感器、光敏传感器等采集的数据,并实现无线发送。Zig Bee协调器主要实现对各个节点的数据接收,并通过RS232与监控上位机实现连接,将数据传给上位机实现数据的显示、分析与处理。系统采用Labview作为上位机的开发环境,通过网络布点及监控实验,证明了本系统可以有效地对实验室安全进行智能监控。     

基于Modbus协议和ARM的电能监控系统设计

传统电能监控采用电力线载波通讯,存在低压电力线上的干扰,配电变压器对信号的阻隔,监控数据不易上传云平台等缺点,设计结合家庭、企业等WIFI热点,采用无线的方式,实现小范围的物联网智能电能监控系统,系统包含电能采集、智能网关、云平台三部分。多个级联的电表采集到的各个电气设备的电能参数,经由Modbus协议、RS-485通信方式传输给智能网关。智能网关采用STM32微处理器对电能数据处理并显示,WIFI模块将电能数据上传至Internet网络。电能数据可以在乐联网云平台上实时显示,并由网页界面对用电设备进行节电反向控制。     

基于ARM的实验室智能无线监控系统设计

针对现有监控系统与报警系统分立不集成的问题,提出了一种基于ARM的实验室多功能视频监控与报警系统。该系统选用Linux操作系统,S3C2440微处理器,使用CC2530单芯片Zig Bee无线模块进行组网。可以实时监控温湿度、监测是否有人员、设置蜂鸣器报警并且实现远程网络摄像头监控。通过Zig Bee终端采集信息并且无线传输、S3C2440控制平台接收处理数据并实现网络图像传输进而实时远程监控,从而实现了智能监控与报警系统的结合。整个系统适合应用于实验室的环境安全监测,以及安防监控,将为实验室的安全提供有力保障。     

卡思卡特城堡

It is worthy of noting that, whilst Crookston Castle witnessed the earlier and happier portion of Mary's variegated life,     

不同的吃喝玩乐

一、吃和喝吃苹果 eat an apple, 吃药 take medicine,吃糖 have some sweets,吃饭 have one's meals,吃馆子 dine out,吃惊 be surprised/     

漏洞百出的教育

Many college freshmen arrive woefully unprepared to do college work, and as disadvantaged populations continue to grow, the share of the American work force that has made it through college is expected to plummet. Many experts blame that educational failure not just on high schools but also on colleges. School & College, a special report by The Chronicle, looks at efforts to fix the system. What reforms would better prepare students for college? What should schools and colleges be doing differently? How should state and federal officials help?     

汉字倒说

汉字的六书,《说文》对“转注”一类,语焉不详。后世学者提及转注,也仅限于许慎所举出的例字。《汉字例说》一文,作者从转注的角度综合考虑,对部分现代常用字作了分析,跟传统的解释有所不同。希望能抛砖引玉,互相切磋,以推进学术研究。     

只要努力,不要后悔

There are numbers of crossroads on our long and unpredictable life journey where we totally have no idea about which direction to choose. No matter what our decision is, we should not turn back, but face the music and go ahead instead. I am this kind of girl who always does try without regretting, one example is how I dealt with my love.     

浅谈移民问题

Migration occurs behind a variety of reasons and has a great effect on the whole world. People may migrate in order to improve their economic situation, or in order to escape civil strife, persecution, and environmental disasters. The impact of migration is complex, bringing both benefits anddisadvantages. This paper briefly talks about the causes of migration, the allocation of benefits, and the ways in which individual countries and the international community deal with this important subject.     

钱生钱!

我们绝大部分人都同意一件事情——我们喜欢金钱。但是你对金钱的喜欢之情足够到让你创立一份事业么?.财富通常被人忽视,主要在于人们不能真正了     

Sister Carrie, an Adherent of Desires

Sister Carrie is one of the most controversial characters in American literature.Thought as a "fallen woman" firstly,she was defined as a "new woman" by some critics later. However, by digging into the motivaton behind the whole process of Carrie's "success", the relationship between Carrie and her creator (the author), the social conditions of then American, it can be found that Carrie has never been free-standing on her thought and she has never found her real-sdf even after becoming a famous actress. In a society dominated by mass consumerism Carrie is only an adherent of her own desires. She also is a representative of all those country girls flooded into cities, a symbol and a sacrifice of the urbanization of America in a time countryside was overcome by cities.     

Improvement of one-cycle controller by use of proportional integral differential controller

1.IntroductionOne-cyclecontrolmethod,whichwasproposedaboutonedecadeago[1],hasbecomeanattractivemethodinspecialfieldssuchaspowerfactorcorrection[2-6],switchingamplifiers[7,8],etc.Themainideaofthiscontrollerisbasedonintegrationofdiodevoltageinone-cycleandforcesittobeexactlyequaltothereferencevalue.Themainadvantageofthiscontrollerisitsrealtimeabilitytorejectthevariationofinputvoltage[1].Despitethisgreatability,ithasnogoodperformancesinrejectingofloaddisturbanceandfollowingreferencecommands.Espec…