The paper discusses key technologies of the digital television system, analyzes the TS parameters and clarifies the application methods of Transport Stream Analyzer in digital cable television system.

论述数字电视系统的关键技术，对传输码流参数进行分析，提出码流分析仪在有线数字电视系统中的应用方法。

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Digital set-top box is a key part in HDTV system.

在数字电视系统中，数字机顶盒是该系统的关键部件。

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In this Paper, the Principles of hot box digital recognition and centralized detection system are expounded and certain key components analyzed theoretically.

本文阐明了数字式热轴自动判别及集中检测的原理，并从理论上对一些重点环节进行分析。

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E-mail, a key component of our digital nervous system, does just that.

CNN: ASIANOW - TIME Asia

If the driver of a General Motors car equipped with its OnStar system locks his key in the car, for example, an emergency centre can transmit a digital signal to unlock the doors.

ECONOMIST: Wired cars