本文提出了一种用于固定格式图文电视系统的数据保护方法，并给出了具体实现流程。
In this paper, a method for data protecting of the rigid timing framwork teletext system is presented, and the visualizing scheme for realizing it is given.
本文主要介绍了图文电视系统的基本概念及其工作原理。
In this article we present the elementary conception of the teletext system and it's basic working principle.
本文介绍了代码制图文电视数字信道的测试及图文电视质量的主观评价。
This paper presents the results of a successful experiment and subjective evaluation of the transmission quality on teletext in a digital channel.
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