视频会议与电话会议语音交互解决方案研究

视频会议系统由于具有便捷性和及时性,在电力生产中得到广泛应用。而在实际工作中,部分参会单位因视频会议室占用或者不具备视频接入条件,导致无法参加视频会议,只能通过电话会议的方式参加,因此通常需要将视频会议伴音与电话会议语音进行交互。文章首先介绍了视频会议与电话会议语音交互的传统解决方案,然后提出了基于电话会议终端的视频会议与电话会议语音交互解决方案,最后对2种方案的技术指标进行对比,为要求实现视频会议与电话会议语音交互的工程技术人员提供设计依据。     

视频会议系统设计

介绍了视频会议系统的结构与主要技术标准,给出了视频会议系统的关键设备。结合某公司视频会议系统具体上程项目,详细阐述了其三级视频会议系统的建没与设备配置。最岳展望了视频会议系统的应用前景,指出该视频会议系统应用前景十分广阔。     

影响高清视频会议效果的因素分析

文章通过对基于SDH系统远距离传输高清会议信号的系统分析,结合工作实际和调'试情况,针对影响高清会议效果的不同情况提出相应的解决途径,为混合组网的高清会议系统提供技术选择方案,也为实际运行维护提供了技术依据.     

The conference low-down

The 23rd annual ICT conference and exhibition "Infotech 2008" was held from 2-5 June 2008, in Vrnjacka Banja, which is also called "the queen of spa tourism" in Serbia. Infotech is a wellknown vendor-driven event that also accommodates author works including paper presentations and tutorials. Along with its tradition of inviting domestic engineering and computer sciences students who expect their first degrees throughout this year-as special guests who could learn about finding their first jobs-this year's conference included closer relations with academic and scientific communities. At the same time, major ICT companies took a significant place within the conference program by presenting their new products and services.     

浅析ICT网络模式涉及的几种技术标准

新一代ICT网络模式已成为未来网络发展的研究热点,IP和光网络的技术融合将是基础承栽网络演进的趋势.文章重点分析了OTN,T-MPLs,ASON,IMS等技术标准的体系结构,介绍了有关标准化组织制定的标准,并对相关标准的主要内容进行了分析,最后,介绍了3GPP LTE和移动视频会议系统的主要技术规范.     

2002年国际大电网会议系列报道——电力系统规划和发展

介绍国际大电网会议（CIGRE）2002年大会上37委员会关于电力系统规划、发展的论文和讨论。讨论集中在：面向快速发展的电力系统的挑战，规划、技术和体制方面的问题；发电、输电的新技术和新需求；电力市场对电网结构和电力系统发展的影响。     

河南电力行政高清会议电视应用

高清会议电视系统取代标清系统已成为视讯技术发展的必然趋势。文中介绍了高清电视通用的视频编解码技术及网络通信协议,并根据实际工程建设深入介绍了河南省高清行政会议电视体系、配置以及系统功能,既为工程建设提供了技术指导,也为实际运行维护提供了技术支持。     

电力系统视频会议室建设的技术分析

针对电力系统视频会议室的功能需求,对电力系统视频会议室的会场、控制室、电源系统、综合布线和备用系统建设等方面进行技术分析,提出会场照明和会场音响是影响视频会议的主要因素.     

视频会议在变电站运行管理中的研究与应用

电力系统的变电站分布分散,视频会议系统的引进实现了公司各个变电站之间以及与工区和公司之间的在线视频会议、资料共享、在线技术支持等方面的需求,大大提高了全体员工的整体工作效率。通过对视频会议的技术研究,设计了适合于电力系统内部网络条件的视频会议方案,并在实践中加以论证和实现。     

2011年第二十一届国际供电会议综述

介绍了第二十一届国际供电会议(CIRED 2011)的主要议题、论文情况,以及中国代表团参会情况,还介绍了主旨报告、技术讲座、专业交流的主要内容,试图体现会议的主题——提供配电领域方面技术和商业驱动力的全球视野,以供我国有关部门和科技人员了解和掌握本次大会的基本情况,关注国际配电领域研究的最新动态。     

History of the electrical insulation conference

The Electrical Insulation Conference (EIC) Was organized in 1958. Four conferences were held before the establishment of the IEEE. Starting with the fifth conference in 1963, IEEE became a co-sponsor for this conference. The history of the various awards and recognitions sponsored by the EIC are listed. Efforts at expanding the scope of the technical activities and the interactions with related groups are discussed.     

视频会议系统在电网调度中的应用

为了提高电网调度的安全性和便利性,结合广西电网现有的视频会议系统和电话调度系统,文章提出视频调度的观点,简要介绍了广西电网建设视频调度系统的技术基础和要求,详细阐述了通过改造视频会议系统实现视频调度功能、同时兼容电话调度系统的基本思路和整体结构,并对该系统中的主要组件和设备加以详细解释,最后对视频调度系统在电网调度中的应用前景进行了展望。     

Refinery-utility collaboration to increase value

Severe pressures to reduce costs, improve reliability, and generate higher shareholder value have helped to promote a successful change in the relationship between a major Canadian petroleum refinery and a large electrical utility. The relationship has evolved from a traditional customer/supplier relationship to a new business approach based on collaboration. New ideas have created win-win situations for both organizations. The new business approach has produced improvements in electrical power supply reliability, better equipment reliability, reductions in operating and maintenance costs through maintenance effectiveness and improved safety, and sharing of technical expertise and data. In addition, this new business approach has led to fresh ideas in business practices, maintenance practices, energy efficiency, electrical power monitoring, application of advanced relaying technology, and the setting of performance targets. This article describes the specific application of new technical and business ideas that have been implemented and the significant benefits that have been captured. To date, over $500,000 in annual benefits have been created. The article goes on to outline future possibilities, which could double the annual benefits     

国家电网公司会议电视系统的建设与发展

会议电视作为视讯传输技术的一种典型应用,30多年来,随着视频压缩编码技术与传输技术的发展,在20多年会议电视系统商用的历程中,一直朝着更低带宽下更清晰图像和声音的交互方向发展.文章在概述会议电视系统的发展历程之后,介绍了国家电网公司会议电视系统的建设与发展,并对国家电网公司"十二五"期间会议电视系统的规划目标进行了阐述...     

携手共进 再铸辉煌--第26届中国电网调度运行会议闭幕式上的总结报告(节选)

是第26届中国电网调度运行会议闭幕式上的总结报告节选.代表大会执委会对会议进行了总结,对第26届中国电网调度运行会议在论文覆盖面及其学术水平、研究问题的深度和专题报告所具有的权威性等方面给予了高度评价,并对调度运行部门下一阶段的工作提出了建设性的意见.     

电视会议图像出现绿屏的故障处理

宁夏电力电视会议系统,对上级与国家电网公司和西北电网公司连接,对下级与公司所属各分会场连接,直接体现了宁夏电力的窗口形象。此系统采用的设备对传输通道要求很高,稍有误码或信号电平不稳就会出现马赛克,或切换会场画面时出现绿屏。原来的处理机制是当出现绿屏时重启8020终端,这样使会议图像和声音全部中断,而当绿屏频繁出现时,需频繁重启8020终端,造成会议频繁中断。为了从根本上解决上述问题,文章分析了绿屏现象的原因,并结合实际提出了相应的处理机制,使得宁夏电力电视会议系统不再受绿屏困扰,能够高质量地召开会议。     

中国电力消费（1997-2017年）驱动因素分析

采用对数平均迪式指数（logarithmic mean divisia index, LMDI）因素分解法,分析经济因素、技术因素、结构因素、人口因素和居民活动因素对中国1997―2017年电力消费增长的驱动作用。研究结果表明,经济因素在新增电力消费中的贡献最大,技术因素和结构因素减缓了电力消费的快速增长,人口因素和居民活动因素对电力消费增长的贡献逐渐增加。建议要继续保持经济高质量增长,制定更为科学合理的电力发展目标和针对性政策措施,合理引导家庭电力消费模式转变,以电力高质量发展满足居民高品质生活需求。     

中国电力消费（1997-2017年）驱动因素分析

采用对数平均迪式指数（logarithmic mean divisia index, LMDI）因素分解法,分析经济因素、技术因素、结构因素、人口因素和居民活动因素对中国1997―2017年电力消费增长的驱动作用。研究结果表明,经济因素在新增电力消费中的贡献最大,技术因素和结构因素减缓了电力消费的快速增长,人口因素和居民活动因素对电力消费增长的贡献逐渐增加。建议要继续保持经济高质量增长,制定更为科学合理的电力发展目标和针对性政策措施,合理引导家庭电力消费模式转变,以电力高质量发展满足居民高品质生活需求。     

Ideas to help break down barriers: the RESNA Student ScientificPaper/Paralyzed Veterans of America Student Design Competition winners

Each year, RESNA hosts two competitions at its annual conference. The RESNA Student Scientific Paper Competition promotes high-quality research related to the fields of rehabilitation engineering and assistive technology. The Paralyzed Veterans of America Student Design Competition recognizes exemplary projects developed by students from all disciplines related to assistive technology. Both competitions are intended to encourage students from a variety of disciplines to address issues in the field of assistive technology and submit papers for presentation at the annual RESNA conference. This article presents summaries of the 1999 competition winning entries which covered the following topics: relating wheelchair setup to propulsion biomechanics; gender differences in the kinematic features of manual wheelchair propulsion; comparison of side-to-side wheelchair propulsion forces using an ARMA modeling technique; feasibility of EEG control for a hand grasp neuroprosthesis; clinical use of in situ pressure sensors for prosthetic socket fit; bowling ramp modification to increase autonomy and normalization; passive robot for frail visually impaired people; a telephone device to improve communication; voice operated wheelchair; wheelchair-based mounting system for automated positioning of electronic augmentative communication device