查询词典 communication channel

To solve above problems, it is suggested to advance parti-colored communication channels, in sure communication targets and subjects, bring message to light as soon as possible, co-optation opinions of local people, building a institutional channel for risk communication; it possibly becomes the risk communication tool which full of environmental democracy if consensus conference could reinforce it's representatives of citizen panel, legal force of conclusion report.

根据上述成因本研究认为发展多元化讯息发布管道、确定沟通对象与议题、尽早公开资讯、吸纳当地民众意见、建立制度化的风险沟通管道等可做为政府风险沟通之参考依据；而公民会议若能强化公民小组之代表性与结论报告的法律效力，则可能成为具备环境民主精神之风险沟通工具。

The main research contents and results are given as follows:(1) Principles and characteristics of different types of polarization controllers are analyzed, the compare of the difference of these polarization controllers are discussed based on them, drawn a conclusion that the polarization controller which based on squeezing fiber and has variable delay quantity are suitable for high speed optical communication system.(2) The reset principle of the typical four channel polarization controller which is based on squeezing fiber is analyzed, and the design of its concrete reset scheme is given based on them. The reset process and the corresponding operation list are given in detail.(3) The systematical experiment is made when the typical four channel polarization controller is put into the PMD compensator. The experiment result showed that the channel which needs reset can efficiently return to the mean place, and the effect of reset was good, it didn't cause any badness infection on PMD compensation.(4) A new type optical signal time-domain depolarizer is given, and a new PMD compensate method is given based on it.

由此得出延迟量可变型光纤挤压型偏振控制器适用于高速光通信系统的结论；(2)具体分析了典型的四通道光纤挤压型偏振控制器的复位原理，并在此基础上对其进行了具体复位方案的设计，给出了各种情况下的详细复位流程和相应的复位操作列表；(3)将四通道光纤挤压型偏振控制器应用于偏振模色散补偿器中进行系统实验，实验结果表明，需要复位的通道能有效地回到中间值，复位效果良好，且复位未对PMD补偿产生不良影响；(4)设计了一种新型的光信号时域退偏器，并基于该退偏器提出了一种新型的偏振模色散补偿方法。

As a private mobile communication system, The digital trunkingmobile communication system was boomed in 1990's, and before this, the appliedprivate mobile communication systems in market are almost the analog systemwith analog voice and digital signalling. And there are no data referring to thesystem design and parameters chosen. It includes the wireless channel accessalgorithm of the mobile terminals, single base station capacity in large regional networks, link designing schemes between the switching control center and basestation as well as the study of the service quality for the multiple traffic. Theseindispensable parameters in design a digital trunking communication system arestudied in this dissertation and some instructive achievements can be got. To provethe correction of the theoretical study, the result was tested with the popularsystem of pan-European digital trunking communication system.

数字集群移动通信系统是九十年代中、后期兴起的专用移动通信系统的一种新体制，在此之前国际、国内市场使用的都是数字信令、模拟话音集群移动通信系统其涉及领域是模拟体制，对数字集群的系统设计的有关参数、方法等的选用及其性能表现并无成熟的文献可供参考，如移动终端的无线信道接入算法、大区组网单基站系统的容量、基站和交换控制中心间的链路设计和多业务种类的服务质量等都是数字集群基站子系统进行设计和开发必须解决的关键技术。

An interval transmission channel of the truck communication system is used as exchange system line; the concerted action of controllers in different stations choose the same relay channel to realize the communication among the users on different stations; an interoffice truck circuit is arranged between two end stations in the system, in order to realize the communication between the system and the exterior.

本发明为一种集交换和传输为一体的中继通信系统，即用中继传输系统中的区间传输信道作为交换系统的线路，由不同站的控制器协同动作选通同一条中继信道实现不同站用户间的通信，该系统两端站设置局间中继电路，实现本系统与外界的通信。

In order to investigate the variation of controllability and observability affected by network scheduling,the model of scheduling for Networked Control System is established,which has communication constraint on its input and output channel.Utilizing communication sequence to express the scheduling of channel,the model can be transformed into discrete-time switch system.Under static scheduling,using the theory of recursive invariant subspace and its character,a necessary and sufficient condition of NC...

为了研究网络调度对能控性与能观性的影响，对输入、输出通道都存在通信约束的网络控制系统的调度进行建模；利用通信序列表示通道的调度情况，最终将模型转化为离散切换系统；在静态调度下，利用循环不变子空间理论及其相关的性质，给出了网络控制系统能控性、能观性成立的充要条件，并给出了原有控制系统与经网络静态调度后的系统之间能控性、能观性的关系；最后用仿真实例说明了所提结论的正确性。

From now on, this kind of the press does emission new channel oneself, the 2nd medium of communication that the press that be called releases, also make the main medium of communication that the press releases, become the hair linage of immediate impact the press to measure, affect the crucial channel of the press economic benefits and social benefit.

从此，这种报刊自办发行的新渠道，被称为报刊发行的第二渠道，也成为报刊发行的主要渠道，成为直接关系报刊的发行数量，影响报刊经济效益和社会效益的关键渠道。

And the channel composed of the new radio induction system for communication is different from the parameter-constant channel and the traditional parameter-changing channel, its parameter is decided by the mutual induction between its antenna and induction-cable, by the location of its antenna, by the signal frequency passing through, its parameter has nothing to do with the time parameter. The channel composed of the new radio induction system is a new parameter-changing channel independently of time for communication.

而且，由新型无线感应系统组成的信道既不是恒参信道，也不是一般目前所知的变参信道，其信道传递函数的幅值只与信号的频率有关，与系统中天线和感应电缆之间的互感和天线的位置有关，而与时间无关，其信道传递函数的相位只与天线的位置有关，而与时间无关，由新型无线感应系统组成的信道是一种不随时间变化的新型变参信道。

There are some creative points in the third part, they are as follows:1, This paper points out the primary strategies on the integration and optimization of the marketing channels: the administrators of mobile communication corporations should deepen the comprehension of channel model, design and manage the channels strategically; client orientation and product orientation are the key variation to the channel model; the inner channel management organization should be built, and improve the role and function of self-built channels in the channel system; societal agent channels should be integrated and cause agents to have a quality expand.; informationalized management should come into being gradually, which provide concrete technical support for finishing channel management.2, In order to built effective marketing channel system, this paper point out that mobile communication corporations should take measures as follows: building very effective self-operating channel system, optimizing business hall market channels; carrying out industry combination, building intimate business partnership relations; integrating industry chains, constructing new cooperative model of operators , end manufacturers and channel co-operators ; building benefit-shared machinism and effective channel checking and encouraging system; trying

本文的创新点主要集中在第三章，具体表现在： 1、提出了营销渠道整合与优化的主要策略：通信企业经营管理者要深化对渠道模式的认识，以战略理念指导渠道的设计和管理；客户导向和产品导向将是决定渠道模式的两大关键性变量；要落实企业内部渠道管理组织机构，提升自有渠道在渠道体系中的地位与作用；整合社会代理渠道，引导渠道成员实现质的扩张；逐步实现对渠道的信息化管理，为完成渠道管理任务提供坚实的技术条件支撑。 2、为建设有效的营销渠道体系，本文提出移动通信企业应采取以下措施：建立高效的自营渠道体系，标本兼治，完善营业厅窗口营销渠道；实施行业融合，建立紧密的业务伙伴关系；整合产业链，构筑运营商、终端厂商、渠道合作商新的合作模式；建立利益共享机制；建立有效的渠道考核及激励机制，努力控制核心社会渠道。

In wireless broadband digital communication, Inter-Symbol Interference caused by time disperse of radio channel is one of main factors that limit bandwidth of communicated information and system performance of communication. In receiver, Orthogonal Frequency Division Multiplexing system can easily cancel ISI and equalize frequency-selective fadings that are both caused by time disperse of radio channel.

在这一系统中，无线信道时延扩展引起的符号间干扰是限制传输性能和信息速率的主要因素之一；而在消除符号间干扰和均衡由无线信道时延扩展引起的频率选择性衰落方面，正交频分复用(Orthogonal Frequency Division Multiplexing，OFDM)技术具有明显优势。

When the communication protocol is T53, the portable telephone apparatus performs a plurality of procedures from an idle state through to a traffic channel state in a standard manner, but when the communication protocol is IS-95, the potable telephone apparatus controls wireless communication by replacing one procedure of the plurality of procedures performed from the idle state through to the traffic channel state with another procedure.

当通信协议是T53时，便携式电话装置就以一种标准的方式执行从一个空载状态直到一个话务信道状态的多个程序，但当通信协议是IS－95时，便携式电话装置就通过用另一个程序来替换从空载状态直到话务信道状态的多个程序的其中一个程序来控制无线通信。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。