数据广播：在广播电视网上实现数据服务。
Data broadcasting: the technology implementing data service on broadcasting networks.
数据广播调度是移动计算环境中数据管理技术的研究热点之一。
Data broadcast scheduling is one of hot area of data management technology in mobile computing environments.
在接收端实现数据广播数据解析以及重组，数据广播节目的管理。
It described how to realize the data receive, analysis, reorganization and the management of data broadcasting programs in the receiving end.
在较详细的分析数据广播系统的整体结构后介绍了接收端的软硬件设计。
After detailed analysis the structure of data broadcasting system it introduce the hardware and software design in the receiving end.
本文所描述的业务管理系统已经开发完成，并集成到了多媒体数据广播系统。
The Service Management System is implemented and integrated to the Multimedia Data Broadcasting System.
简要概括了多信道数据广播方式下的数据访问冲突和数据划分以及磁盘匹配问题。
Sum up data accessing conflict data distribution and disk matching in multichannel data broadcast concisely.
我们针对缺乏回传通道的传统有线电视网络，设计了一个基于HFC的数据广播系统。
We designed a kind of data broadcast system based on HFC network without return paths.
在数据广播中，数据记录被访问的概率各不相同，因此可以通过访问概率建立索引树。
In the data broadcast, the visits probability of the data record is various, therefore the index tree may be built through visit probability.
数据广播的一个首要问题是如何调度待广播的数据，优化数据广播的访问时间和调谐时间。
An important of data broadcast is how to schedule the broadcast data in order to optimize the access time and tuning time of the broadcast.
六是具有数据广播功能，可以免费收看新闻资讯以及涉农的气象、科技、农贸综合信息服务。
Six is a data broadcast function, can free watch news information and agricultural meteorology, science and technology, and farmer comprehensive information service.
数据广播是提高移动计算系统可伸缩性的一项重要技术，该文提出了一种实时数据广播模型。
Data broadcasting is to improve the mobile computing system scalability an important technology, this paper, a real-time data broadcast model.
数据广播是一种能将文本、图形、视频、音频、数据等传输到机顶盒等智能设备的一项技术。
Data broadcasting is a technique that can transmit text, graphics, video, audio, data to an intelligent equipment, such as STB.
图文电视是一种实用的数据广播系统，在信息领域中与其它系统相比，该系统具有明显的优势。
Videotex is a practical applied data broadcasting system, which has superiorities over other system in the field of information industry.
数据广播接收卡的设计目标是为DVB - C数据广播系统设计基于用户PC机的接收平台。
The DVBS receiving Card is a receiving platform for DVBS together with the customers PC.
数据广播的根本目的就是为了解决移动数据库系统用户规模庞大以及网络通信条件不平衡等问题。
To solve the problem of large scale of mobile clients and network communication asymmetry is the primary purpose of datacasting.
介绍了基于DVB - C标准的并行数据广播接收卡的整体设计及实现。其中着重于硬件部分的设计。
This paper introduces the entire design and realization of the parallel data broadcast receiving-card based on DVB-C standard, emphasizing on the realization of hardware.
本文介绍了应用于有线电视网上的综合数字视频数据广播系统，重点描述了前端系统的结构和后端设备的实现。
The paper introduces the integrated digital video data broadcasting system based on the cable network. We discuss the structure of headend system and the implementation of terminal equipment.
数字电视技术的飞速发展，与数字电视相关的应用也在不断的进步，数据广播成为数字电视应用中最大的亮点。
With the rapid development of digital TV technology, the application linked to the digital TV is constantly advanced. Data broadcast becomes the brightest spot in the application of digital TV.
在移动计算机环境中，数据广播是一种发布数据的重要途径，能有效支持对具有公共访问兴趣的热点数据的访问。
Data broadcasting is an important data dissemination approach in mobile environment. It can efficiently support access to hot data with common interest.
P - EASY数据广播的运行条件和它的天线系统是透明的，一目了然，因为所有的状态参数都以绿色栏显示。
The operating condition of P-EASY data radio and it's aerial system are transparent at a glance, as all status parameters are indicated with green bars.
本文介绍了基于需求的数据广播的系统结构和性能衡量标准，并分析了基本的广播调度算法，抢占式调度算法以及实时调度算法。
This paper introduces the architecture of on-demand data broadcast and the performance metrics, analysis the basic scheduling algorithm, preemptive scheduling and real-time scheduling algorithms.
数据广播系统能够为用户带来更多的图形、文本、游戏、数据下载、在线升级等功能，在网络支持的情况下还能够实现交互功能。
Data broadcasting system bring more functions for user, such as graphics, text, online upgrades, games and data download, and etc. And it can also support interactive features if network supported.
一种解决方案是服务器根据关联规则挖掘出的规律，对热点数据进行预测，并利用数据广播技术将热点数据不断地推向移动客户机。
One resolution is that server predicts hot data with the rule discovered in association rule mining and USES data broadcasting technology to push hot data to mobile client.
研究了如何在数据广播磁盘中设计适当的数据分配方式以减少数据项的平均访问时间，进而有效地节约移动计算系统的电源和带宽。
Illustrate proper data distribution to decrease data average accessing time to a low level in datacasting disks and then to save mobile computer's electricity and bandwidth.
在数字广播系统的应用、服务部分，主要介绍了商业化的应用类型，介绍了流行的音视频编码方案，以及结合IP的数据广播技术。
As for the other part, it introduces the varieties of commercialization, the popular standard of audio and video, and the digital broadcasting technology combined with IP.
在移动计算机环境中，数据广播只适应于时具有公共访问兴趣的热点数据的访问，而传统的联机请求方式则可以访问任何服务器数据。
In mobile computing environment, data broadcast can only support access to hot data with common interest, while traditional online request method can support access to any data on the server.
现有的实时数据广播研究中，只考虑了具有截止期约束的单个数据请求的调度问题，而支持实时查询处理的数据广播技术尚未得到足够的关注。
This paper proposes a novel scheduling algorithm called Query-based Scheduling Algorithm(QSA) to address the issue of real-time query processing in on-demand data broadcast environments.
为了充分利用现有的CATV网络资源，更好地向用户提供信息服务，开发了基于CATV网的多媒体数据广播系统，它能够提供多种信息服务。
To provide better information service to users through current CATV network, we develop a multimedia data broadcasting system based on CATV, which provides various information services.
在这个服务平台上能够有效的支持不同的应用服务、提供数据广播和视频流的广播、提供方便的应用接口、有效的管理带宽资源，提供安全访问功能。
This platform can provide data broadcast and media stream broadcast service, provide flexible application interface, have effective management of resource, and provide the security access service.
在这个服务平台上能够有效的支持不同的应用服务、提供数据广播和视频流的广播、提供方便的应用接口、有效的管理带宽资源，提供安全访问功能。
This platform can provide data broadcast and media stream broadcast service, provide flexible application interface, have effective management of resource, and provide the security access service.
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