传输控制

The influence of nonlinear gain (including five order nonlinear gain term) on the Gordon-Haus effect of soliton transmission system controlled by fixed central frequency filter is studied by using adjoint operator method for the first time.

运用绝热演化方法研究了滑频滤波控制孤子传输系统的稳定条件，并首次解析研究了滤波器三阶项对滑频滤波控制系统孤子定时抖动的影响。

First, the S-CDMA-HFC system with integrated traffic is introduced and the method of traffic integration is given. Second, the upstream channel capacity of the S-CDMA-HFC system with integrated traffic that has the same rate is analyzed. The chronoff limit and Gaussian approximate equation of the upstream channel cutoff probability are derived. Third, the impact of the selection of the line transmission rate on the upstream channel capacity of the S-CDMA-HFC system with integrated traffic is discussed in detail. The cutoff probability and throughout equations of the upstream channel with different integrated traffic are derived. Fourth, the impact of the power control error on the capacity is discussed. Results show that the power control error will degrade the upstream channel capacity and have different influence on the different traffic. Finally, the capacity requirement of the initialization process is raised. Analytical results show that the initialization process will impact on the capacity slightly.

首先，简单介绍了综合业务S-CDMA-HFC系统，给出了业务综合的方法；然后，分析了具有相同码率的综合业务条件下的S-CDMA-HFC系统上行信道容量，导出上行信道中断概率的切尔诺夫上限和高斯近似公式；然后，详细讨论了基本传输速率的选择对综合业务S-CDMA-HFC系统上行信道容量的影响，导出了不同业务综合条件下上行信道的中断概率和吞吐量公式；然后，讨论了功率控制误差对综合业务S-CDMA-HFC系统上行信道容量的影响，结果表明功率控制误差会使上行信道容量下降，且对不同业务的影响程度是不同的；最后给出了初始接入的容量要求，分析结果表明初始接入将对综合业务S-CDMA-HFC系统上行容量带来影响，但不明显。

RS-485 is one of them used widely,it adopts second-differential balanced transmission and has a well immunity,it can control 32 devices and its longest transmissional distance is 1200m.its price is extrme low.

研究了各种控制总线，其中RS-485采用二线差分平衡传输，具有良好的抗干扰性，最大负载为32个，最远传输距离1200m，且价格比较便宜。

This approach subsumes traditional admission control technicians and enhances server performance by selectively adapting content in accordance with both load conditions and QoS requirements.

这种方案在传统的允入控制基础上改善了服务性能，根据网络负载情况和服务质量需求自适应选择传输内容，满足了客户对网络传输服务质量需求。

Controlling the activity factor (in order to reduce interference and power consumption) can include: reducing the power level, prohibiting transmission of one or more devices, schwduling the transmission activity according to a stored timetable (actualised by location information or congestion bulletins).

控制活动因数(以便减少干扰和功率损耗)包括减少功率电平、禁止一个或多个设备的传输、根据所存储的时间表(该时间表是由位置信息或拥挤公告实现的)调度传输活动。

The resolution of each visible terrain block could be calculated adaptively according to the viewpoint location and the network bandwidth during the interactive rendering. Utilizing the coherences between frames, the bottleneck of massive data remote transmission was solved effectively.

在交互渲染过程中充分利用帧间相关性，根据视点位置和网络带宽等相关参数对相应压缩码流进行多分辨率自适应控制传输，有效解决了海量数据远程传输的带宽瓶颈。

Under normal circumstances, the printer paper into the slot there is a photoelectric sensor Office of the photoelectric sensor can be sensitive to "capture" to paper, whether or not correctly placed in the feed tank, feed tank if there is printing paper exist, the Photoelectric sensors can be identified on the paper, and generate a recognition signal transmission to the printer, print to inform the printer to do the preparatory work, even if the paper into the slot there is no printing paper, the photoelectric sensor control signals will be transmitted to the printer, where do not tell the printer to print tasks.

通常情况下，打印机进纸槽处存在一个光电传感器，该光电传感器能敏锐地&捕捉&到纸张是否正确地放置到进纸槽中了，倘若进纸槽中有打印纸张存在的话，该光电传感器就可以识别到纸张，并产生一识别信号传输给打印机，通知打印机做到打印准备工作，即使进纸槽中没有放打印纸时，光电传感器也会有控制信号传输到打印机那里，告诉打印机暂时没有打印任务。

The transmission and print system for shunting trip plan is the important part of railway marshalling station management information system, whose first generation is based on the transmission system of IPC and the second generation is based on embedded and dedicated transmission gateway system. Based on this, the paper studies and proposes a system structure suitable for remote maintenance and management and further optimizes the control of information flow.

钩计划传输与打印系统是铁路编组站信息管理系统的重要内容，第一代是基于工控机的传输系统，第二代是基于嵌入式专用传输网关系统，在此基础上，研究提出了适合于远程维护和管理的系统架构，并对信息流控制做了进一步优化。

Study on MPEG VIDEO TRANSPORTATION OVER ETHERNET ABSTRACT This dissertation studies the issues related to the MPEG or other video transp...

基子以太网的MPEG视频传输研究本论文研究对象是MPEG数字视频内容在以太网上传输的相关问题，包括传输机〓量控制和同步处理。

The robot car includes four major modules, the power and motor drive, the environment detection, the data communication, the micro-processor and data processing modules. Further, a remote PC with the controller is used to monitor, to record data from, and to generate control command to the robot car through communication module.

本自走车系统主要包括四大模组：动力及驱动模组、环境感测模组、数据传输模组、微处理器控制模组，并另以PC透过数据传输监控、记录，及操控自走车。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。