查询词典 radio transmission

In the first section of hardware circuits part, the design principle, project and application of the data transmission board based on the normal electrical chips are discussed in detail. The data transmission board is used to the way of synchronizing transmission that is a particularly novel way in the Real-time SAR Image Data Process and Transmission System and can nearly double the transmission ratio.

在硬件电路设计方面，本文首先讨论了基于普通芯片的专用数据传输接口板的设计和实现，该接口板采用同步传输的工作方式，比原系统中接口板的传输速率提高了近一倍，并且具有单机调试的能力，已用于"九五"灾害监测子系统中地面数据接收站和高速图形处理工作站之间的数据传输。

Trade mode partrecites the operation model power transmission market and detailedly discusses theprice system of power transmission market; on the basis of electrovalence system ofpower transmission, it calculates and analyses province-stridden power transmissionexpenses combining the actualities of countrywide provincial trade and the actualcircumstances of provincial power transmission of middle-Chinese power grid; itrelates to the mode of big power consumers directly purchasing electricity andfinance instrument of power transmission market.

交易模式部分中叙述了输电市场的运营模式，对输电市场的价格体系做了详实的论述和相应的探讨；在输电电价体系的基础上，结合全国省间交易的现状和华中电网跨省输电的实际，对跨省输电费用进行了相关的测算和分析；涉及了大用户直购电模式和输电市场的金融工具。

In order to be able to transmit a variable volume of data, particularly in a single coherent data block, between message transmission planes of telecommunications interfaces of a hybrid telecommunications system with minimal effort within the message transmission planes, if the variable data volume exceeds the maximum data volume which can be transmitted between the same message transmission planes of the telecommunications interfaces, then a data element specific to the transmission layer is used as a function of the varying data volume at least twice in succession for the transmission of the data volume in the data block.

要約 为在混合通信系统中能各自以最小的传输工作量在各通信传输层面中传输混合通信系统各通信接口的通信传输层面之间的一个变化的数据量，尤其当此变化的数据量超过在各通信接口的相同通信传输层面之间最大可传输的数据量时仍能在一个单一的互相关联的数据块中传输此变化的数据量，取决于此变化的数据量至少两次依次地对在数据块中的数据量的传输采用一种传输层面专门的信息元素。

A standard expected value model for multi-objective multi-stage transmission planning is presented to realize the transmission optimal planning with the control of line overloading risks. In this model, a constraint of overloading risks is built with expected value and standard deviation of random line active power and two objectives are given as expected value of the average power loss and discount value of the investment cost. By modeling uncertain informations with probability theory, the probabilistic DC power flow is adopted for the correlated calculations among random variables in the planning model.4 A novel multi-objective transmission planning approach that considers transmission investment profit is proposed. Requests for transmission investment profit and social welfare are involved in the proposed planning approach.

以方案总投资费用贴现值和平均网损期望值为目标函数，建立多目标多阶段输电网规划的期望值模型，以线路有功潮流过负荷随机变量的期望值和标准差构建过负荷风险约束，考虑了风险发生概率和严重程度两方面的特征，通过对不确定性信息的概率建模，利用概率直流潮流进行各随机变量的相关计算，实现了控制过负荷风险条件下的输电网优化规划。4提出考虑输电投资收益的多目标输电网规划方法，综合考虑市场参与者对输电投资收益和社会总福利的要求加热管及其对输电网规划的影响。

Then, interruptible load is introduced into transmission congestion management in the paper. The paper discusses the application of interruptible load to transmission congestion management in power pool market. Market risk of evade is very important in transmission congestion management. The FGR, FTR, TO are introduced into transmission congestion management, its concept and implement in bilateral market are discussed in the paper. It provides the valid means of evadable price risk for the market participant. The reasonable allocation of congestion cost is very important in transmission congestion management. The paper proposed a novel methodology for allocation of congestion cost based on the line flow analysis.

然后，将可中断负荷引入到输电阻塞管理中，对其在电力联营体交易市场模式下输电阻塞管理中的应用进行了全面阐述；市场风险的规避是输电阻塞管理中需要考虑的重要内容，本文将基于潮流的输电权、金融型输电权及输电期权引入到输电阻塞管理中，阐述了其基本概念以及在双边交易市场模式下的具体实施，为市场参与者提供了规避价格风险的有效手段；阻塞费用的合理分摊是输电阻塞管理中的重要内容，本文提出了一种基于阻塞线路潮流组成分析的阻塞费用分摊新方法。

Based on the corona model, we divide the maximal transmission range of sensors into several levels. Nodes in the same corona have the same transmission range level termed the transmission range of the corona, and different coronas have different transmission ranges, which compose a list termed transmission range list.

在这种模型里，节点的传输距离被分成了若干等级，同一环内的节点的传输距离是相同的，而不同环的节点的传输距离可以不相同。

This dissertation stems from the project "Study on high efficient multi-flow transmission system" which is sub-project of the Natural Science Foundation Key Project "Fundamental study on energy saving of mechanical/fluid transmission and new transmission methods", which mainly analyzes the energy saving issue of mechanical transmission system from the point of view of design theory and method. Multi-flow transmission systems have been widely applied to large mechanical equipment such as creeper truck, helicopter, cement grinder, hoist, wind electricity generator, construction machinery and metallurgy industry.

本文来源于国家自然科学基金重点项目&机械流体传动的节能及新型传动方式的基础性研究&中的子课题&高效多流传动系统的设计理论和方法的研究&，主要是从设计理论和方法的角度分析机械传动系统的节能问题，多流传动系统已广泛应用于大型机械装备，如履带牵引车、直升机、水泥磨机、起重机、风力发电机及工程机械、冶金等行业之中。

One transmission cell to another while maintaining the DVB-H service.· For a number of reception scenarios; indoor, outdoor, pedestrian and inside amoving vehicle, the transmission system shall offer sufficient flexibility and scalability to allow the reception of DVB-H services at various speeds, whilstoptimizing transmitter coverage.· As services are expected to be delivered in environments that suffer high levels of man-made noise, the transmission system shall offer the means to mitigate their effects on the performance of the receiving terminal.· As DVB-H aims to provide a generic way to serve handheld terminals in various part of the world, the transmission system shall offer the flexibility to be used in various transmission bands and channel bandwidths.

因此DVB-H采用分时方式的资料传送形式，把原本通道频宽是由其它节目共同分配享有的，现在只可以让某一个节目使用全部的频宽所以让节目传送的位元率提高了，相对的减少传送的时间，但跟DVB-T一样在单位时间内所传送的资料是一样多的，由於DVB-H采用分时多工的方式传送资料所以接收器只在该节目传送的时间内接收该笔资料，而其它时间则不接收然后在等一个单位时间内，该节目的资料再传送时在接收，如此开关开关达到收到整部节目的资料，并大量的减少持续接收节目所消耗的功率，接下来由於DVB-H采用4K正交分频多工编码的方式，虽然涵盖的范围没有DVB-T大但对高速移动的时候接收信号时的效果会比较好。

The main contributions of the paper are as follows:(1) The paper expounds the characteristics of power transmission of EHV and UHV six-phase transmission lines. Researching results show that six-phase can utilize the overhead transmission right-of-way efficiently, and improve the density of power transmission. At the same time, the electric field on surface of conductor, the power frequency electric-magnetic field at ground level can be controlled within the range of permission for six-phase transmission lines.

本文对六相输电线路的功率传输特性和几种继电保护原理进行了深入的研究和分析，取得如下成果：(1)详细分析和研究了六相输电线路在超高压和特高压两个电压等级上的功率传输特性，研究结果表明，六相输电线路能够最大程度地利用线路的走廊空间，明显提高系统的功率传输密度，并且线路的表面电场强度，以及线路下方的工频电场和磁场强度完全可以控制在规定允许的范围内。

On the radio and television group property management staff of the Centre for Research on incentives Abstract Radio and TV Group Property Management Centre staff of radio and television group is the core component of the employees, their group of radio and television have played a crucial role.

摘 要：广电集团物业管理中心员工是广电集团员工的核心组成部分，他们对广电集团的发展发挥着至关重要的作用。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48