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1.
基于Symbian手机平台设计了一套智能家居控制系统,利用Symbian系统提供的各种资源建立智能家居远程端控制软件,并设计了一个安装在家庭的家居服务控制器.通过GSM网络,智能手机软件与家居服务器可以进行通信,实现远程控制家居设备和监控家居环境的功能.设计结果表明:通过智能手机软件控制智能家居成为可能,系统以一种新的...  相似文献   

2.
随着我国信息化技术的不断发展,中国智能技术正在飞速发展,今天各行各业都在向智能化转变。智能家居系统,通过温度传感器、湿度传感器、光照强度传感器、空气质量监测器、影音传感器、门磁传感器等可以获取室内各空间当前自然环境数据,并根据数据做出智能控制决策。未来,智能家居系统将给人类生活带来更多的便利服务,将成为未来的有力助手。文章研究了基于Python语言的智能家居系统的设计,借助了Django框架的可扩展性优势,在软硬件共同配合的前提下,实现对家居环境的自动控制。  相似文献   

3.
Web服务在远程报表打印系统中的应用   总被引:2,自引:0,他引:2  
针对目前B/S模式系统中报表开发的难点,提出一种B/S模式系统下基于Web服务的远程报表解决方案.文中给出了系统设计原理,概述了Web服务及其相关技术,最后给出基于Web服务的远程报表打印系统具体实现的关键技术.  相似文献   

4.
随着生活水平的提高,智能家居行业已占据越来越重要的位置,构建一个舒适和谐的家居环境,越来越引起人们的关注和重视.本系统以ARM9平台为基础,应用嵌入式Web、图像采集与处理、MMS和嵌入式Linux等相关技术,采用CGI、SQlite和Video4Linux等编程技术,并结合ZigBee、GPRS和Internet网络,提出了一套完整的智能家居安防系统解决方案.对现今的家居安防系统提出了一些探索性的创新,为智能安防监控系统提出了新的方法和思路.该系统功能强大,性能稳定并具有很好的扩展性.  相似文献   

5.
本文基于.NET技术设计了三层B/S结构的网络考试系统。考试系统中的每个服务如身份验证服务、成卷服务、阅卷服务、信息发布服务等都是以一个Web服务,即Web Service存在。它们可以被布署在不同的计算机上面,通过IIS服务器,当Internet上的一个Web客户访问这些服务时,系统靠.NET的运行机制可以找到这些服务并加以访问。  相似文献   

6.
基于Web技术的网络课程平台是开展网络化教学的基础环境,它为教师、学生和教学管理人员提供一个学习和工作的网络环境.曲靖师院网络课程平台是基于Web的网络课程平台,用户分为管理人员、教师、学生和匿名用户,引入统一的身份认证与授权管理,用户从单一入口登陆,系统根据用户身份确定用户界面和访问权限,为用户提供个性化服务.  相似文献   

7.
刘华春 《科技信息》2007,(11):71-72
智能化、网络化的家居环境,是智能小区和智能楼宇的主要发展方向。文章探讨和研究基于嵌入式internet构架智能家居系统的有关技术,并就其实现详细论述了基于嵌入式系统的智能家居系统架构、智能家居控制器的硬件构建、智能家居接入internet网关建设等等具体解决方案。  相似文献   

8.
符宇 《科技资讯》2013,(27):173-173,239
Internet已经成为人们生活、工作、学习越来越离不开的平台.Web技术已经不在局限于单纯地提供信息服务,而是成为一个操作平台,为用户提供强大的服务功能.建立一个基于B/S(Browser/Server)架构的校友录,实现信息网络化,为校友之间的交流和联系提供的一个平台;本系统采用三层模式设计,即用户表示层(USL),业务逻辑层(BLL),数据访问层(DAL).三层结构是一种严格分层方法,即数据访问层只能被业务逻辑层访问,业务逻辑层只能被用户表示层访问,这种结构也成为当今应用软件的主要结构.  相似文献   

9.
传统的文档管理系统只能满足企业内部用户的需求,不能与合作伙伴及客户共享.随着电子商务的发展,建立了面向不同用户的文档管理系统是非常必要的.详细讨论了如何采用Web Ser-vices技术来实现一个企业的文档管理系统.首先描述了系统基于B/S体系的四层系统结构,然后介绍了Web Services技术的一些特点和Web服务的创建和调用方法,最后详细论述了Web Ser-vices技术在文档管理系统中的具体实现.  相似文献   

10.
为增强智能家居的个性化与智能化水平, 提出由资源层、适配层以及感知应用层组成的智能家居体系结构。建立了家居设备操控的原子Web 服务, 并基于Web 服务组合形成家居智能的SOA(Service-OrientedArchitecture)框架。实验结果表明, 该方法可对源于不同智能家居规范及不同组网模式中的设备统一管理和操控, 可为智能服务开发商与家居设备供应商构建协作平台, 降低双方数据交互的难度, 从而在自身领域内更好地发展智能家居服务。  相似文献   

11.
Language markedness is a common phenomenon in languages, and is reflected from hearing, vision and sense, i.e. the variation in the three aspects such as phonology, morphology and semantics. This paper focuses on the interpretation of markedness in language use following the three perspectives, i.e. pragmatic interpretation, psychological interpretation and cognitive interpretation, with an aim to define the function of markedness.  相似文献   

12.
何延凌 《科技信息》2008,(4):258-258
Language is a means of verbal communication. People use language to communicate with each other. In the society, no two speakers are exactly alike in the way of speaking. Some differences are due to age, gender, statue and personality. Above all, gender is one of the obvious reasons. The writer of this paper tries to describe the features of women's language from these perspectives: pronunciation, intonation, diction, subjects, grammar and discourse. From the discussion of the features of women's language, more attention should be paid to language use in social context. What's more, the linguistic phenomena in a speaking community can be understood more thoroughly.  相似文献   

13.
理论推导与室内实验相结合,建立了低渗透非均质砂岩油藏启动压力梯度确定方法。首先借助油藏流场与电场相似的原理,推导了非均质砂岩油藏启动压力梯度计算公式。其次基于稳定流实验方法,建立了非均质砂岩油藏启动压力梯度测试方法。结果表明:低渗透非均质砂岩油藏的启动压力梯度确定遵循两个等效原则。平面非均质油藏的启动压力梯度等于各级渗透率段的启动压力梯度关于长度的加权平均;纵向非均质油藏的启动压力梯度等于各渗透率层的启动压力梯度关于渗透率与渗流面积乘积的加权平均。研究成果可用于有效指导低渗透非均质砂岩油藏的合理井距确定,促进该类油藏的高效开发。  相似文献   

14.
As an American modern novelist who were famous in the literary world, Hemingway was not a person who always followed the trend but a sharp observer. At the same time, he was a tragedy maestro, he paid great attention on existence, fate and end-result. The dramatis personae's tragedy of his works was an extreme limit by all means tragedy on the meaning of fearless challenge that failed. The beauty of tragedy was not produced on the destruction of life, but now this kind of value was in the impact activity. They performed for the reader about the tragedy on challenging for the limit and the death.  相似文献   

15.
正The periodicity of the elements and the non-reactivity of the inner-shell electrons are two related principles of chemistry,rooted in the atomic shell structure.Within compounds,Group I elements,for example,invariably assume the+1 oxidation state,and their chemical properties differ completely from those of the p-block elements.These general rules govern our understanding of chemical structures and reactions.Using first principles calcula-  相似文献   

16.
We have developed an adiabatic connection to formulate the ground-state exchange-correlation energy in terms of pairing matrix linear fluctuations.This formulation of the exchange-correlation energy opens a new channel for density functional approximations based on the many-body perturbation theory.We illustrate the potential of such approaches with an approximation based on the particle-particle Random Phase Approximation(pp-RPA).This re-  相似文献   

17.
正The electronic and nuclear(structural/vibrational)response of 1D-3D nanoscale systems to electric fields gives rise to a host of optical,mechanical,spectral,etc.properties that are of high theoretical and applied interest.Due to the computational difficulty of treating such large systems it is convenient to model them as infinite and periodic(at least,in first approximation).The fundamental theoretical/computational problem in doing so is that  相似文献   

18.
For molecular systems,the quantum-mechanical treatment of their responses to static electromagnetic fields usually employs a scalar-potential treatment of the electric field and a vector-potential treatment of the magnetic field.Although the potential for each field separately is associated with the choice of an(unphysical)origin,the precise choice of the origin for the electrostatic field has little consequences for the results.This is different for the  相似文献   

19.
Franck-Condon factors bridge the gap between theoretical modeling and experimental observations for molecular electronic spectroscopy and electron transfer.Under the displaced harmonic oscillator approximation,multidimensional Franck-Condon factors are decomposed into a product of many one-dimensional(1D)Franck-Condon(FC)factors,and each 1D-FC factor is associated with one Huang-Rhys factor that determines the leading contribution of  相似文献   

20.
<正>"The Journal of Shanghai Normal University:Mathematics"is published by Shanghai Normal University as regular issues of The Journal of Shanghai Normal University each year from 2014 in English.The editors-in-chief of the issues are professors Yuhao Cong and Maoan Han.The Journal of Shanghai Normal University was started in 1958 with  相似文献   

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