查询词典 headend

Those products can be used in various kinds of digital Television headend systems and HFC networks, and we also provide the operators with integrated solutions.

公司产品包括数字电视前端设备、数字电视测试设备和有线电视网络设备等系列，适用于各种数字电视前端系统和有线电视网络的建设，为运营商提供数字电视、手机电视和有线电视解决方案。

TriQuint's wide selection of power and filter products supports all major cable markets including headend, transmission infrastructure and CPE.

TriQuint广泛的功率和滤波器产品支持所有主要的有线电视网络市场，包括前端、传输端和用户端设备网络。

The capability of transmitting signals from a subscriber or user premises to the cable headend.

描述了用户或用户住宅向电缆头端发送信号的能力。

Some factors affecting the performance such as the headend service rule, the piggyback request ability and the request slot number are also discussed.

在此草案的基础上，通过编程仿真MAC层协议的操作过程，得到了系统的吞吐量和时延等性能指标的定量结果，并着重讨论了协议中的头端服务规则、携带申请能力和申请时隙数目等因素对系统性能的影响。

The performance capability of DOCSIS compliant architectures is dependent upon the headend scheduling algorithms which are not specified in the specifications. Therefore, it is important to establish a set of reference performance characteristics for the most simple of scheduling algorithms against which more complex algorithms can be compared. A prioritized FCFS scheduling algorithm is adopted in this paper.

即使对于严格要求的实时CBR业务的延时性能，采用抢占优先级的服务策略所能提供的性能也大大好于业务所要求的性能，这就为进一步提高非实时数据业务的延时性能提供了机会，有可能采用适当的调度策略在满足实时CBR业务的延时性能的基础上，提高非实时数据业务的延时性能。

Based on the system study of CATV integrated service headend system, design and realize the first CATV Integrated Service Information Net of China. The main content of this article include: The second chapter is Combined to the demand of the system and analyzed some schedule model, a real-time schedule arithmetic base on memory is proposed.

本文主要内容包括：第二章深入研究了综合业务信息网用户请求的分布规律，建立了用户请求的数学模型，推导了用户请求分布的一般表达式，在此基础上，提出了基于动态优先级调整的资源均衡调度算法，有效地实现了大用户量的并发用户请求处理以及中心系统资源的实时优化调度策略。

Based on the draft, this paper simulates the MAC layer operations, and the system performance such as throughput and package delay is obtained. Some factors affecting the performance such as the headend service rule, the piggyback request ability and the request slot number are also discussed.

在此草案的基础上，通过编程仿真MAC层协议的操作过程，得到了系统的吞吐量和时延等性能指标的定量结果，并着重讨论了协议中的头端服务规则、携带申请能力和申请时隙数目等因素对系统性能的影响。

The cable headend connects the cable network with dishes that receive both satellite and traditional broadcast TV signals, and with cable modems linking to the Internet.

这种电缆接入端将电缆网络与接收卫星和传统广播电视信号的蝶形天线连接在一起，并且将电缆网络与连接Internet的电缆调制解调器连接在一起。

Hangzhou Digicast Technology Co LTD is located in Hangzhou city, Zhejiang province, China, mainly focuses on digital TV headend field. Especially, Digicast is considered as the splendid supplier of digital TV equipment and technical services which has been keeping advanced technology for digital terrestrial TV network equipment.

杭州数电科技有限公司位于美丽的西子湖畔，专注于数字电视前端设备的研发，特别在地面数字电视组网设备等领域中保持着领先的技术优势，是国内领先的数字电视产品和技术服务提供商。

This paper introduces a Video on Demand system based on both CATV broadcasting channels and IP interactive network. CATV broadcasting channels are used for content transmission and IP network is used for control information transmission between Set Top Box and Headend Server.

介绍了一种利用有线数字电视广播信道和支持IP交互信道的视频点播系统，广播信道用来传输点播的节目，交互信道传输机顶盒和前端服务器的控制信息，视频点播的各种控制基于DSM-CC协议实现。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐