本文对二进制数字基带传输系统的阈值电压进行了图象上的解释，从而使该概念的意义更加清晰。
In this paper, the threshold voltage of binary digital baseband transmission system on graph is explained, so the concept's meaning is more clear.
本文主要探讨公文发布系统中的数字图象水印技术。
In this article, I mainly probes digital image watermark technology about documents issued system.
文中所提出的图象分割方案，在数字电视跟踪系统样机中得到满意的效果。
In the prototype of digital video tracking system, a satisfactory result of the proposed scheme of image segmentation has been obtained.
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