| 1. | Digital television ( dtv ) is the third generation tv after black and white tv and color tv
数字电视是继黑白电视和彩色电视之后的第三代电视。 |
| 2. | Technology of digital television ( dtv ) broadcasting is the third revolution in the technical history of tv broadcasting
数字电视广播技术是广播电视技术史上的第三次飞跃。 |
| 3. | I plunged into the alphabet - soup world of digital television ( dtv ) in 2003 , shortly after i replaced my electron - gun boob tube with a 42 - inch plasma flat panel
2003年，我把映像管电视机换成42 ?电浆电视后不久，就开始研究数位电视。 |
| 4. | The digital television ( dtv ) will finally replace the analog television to become a new information industry , and it will eventually raise a new high economic tide
“数字电视”将取代模拟电视成为新兴的信息产业之一，将掀起新的经济浪潮。 |
| 5. | This article discusses some interactive services delivered via digital television ( dtv ) system with or without return channels . the method proposed here for the implementation of these services is simple and economical for hybrid dtv system
对数字电视中的一些交互业务进行了讨论，并针对目前电视系统的特点提出了简单实用的实现交互数字广播的方法。 |
| 6. | Conditional access technology ( pay - tv ) has been considered the motivity and trend of the development of digital television ( dtv ) in the globe . but in the common pay - tv system , the key which is used for decoding is stored in the set - top - box ( stb )
在全球范围内,有条件接收(付费电视)业务已被确认是数字电视发展的动力和趋势,但是,在通常的付费电视系统中,用户的解码解密模块均被置于机顶盒中,系统安全性较低。 |
| 7. | Conditional access ( ca ) is a technology used to control access to digital television ( dtv ) services to authorized users by encrypting the transmitted programming . an emm provides general information about the subscriber and the status of the subscription . the emm is sent with the ecm
数字电视用户管理系统通过对用户订购信息的记录与处理，形成用户数据库，并经由与条件接收系统的接口，向条件接收系统发送用户授权管理信息的基本数据，条件接收系统据此实现对用户收看数字电视节目的控制。 |
