针对电子海图系统中关于雷达视频与海图图形实时叠加，提出了叠加的新方法。

Being aimed at radar video overlapping with chart graph of ECDIS, a new method and general interface circuit is presented.

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如在AIS与雷达目标融合问题的研究中，可以提供底层海图平台。

For example, in the research of amalgamation problem between AIS and radar target, it can provide understratum chart platform.

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最终实现了雷达数字批目标信息在电子海图上的叠加显示。

Finally, overlay displaying the radar digital batched objects on electronic chart is realized.

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