One airborne radar database with a large scale contains massive continuous attributes and categorical attributes.

某机载雷达数据库中包含大量连续属性和分类属性，且数据库规模庞大。

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The radar signal environment near the space plate is simulated and counted by computer through the establishment of ground radar database in this paper.

本文根据现代战场条件下雷达工作模式复杂多变的特点 ，提出了电磁环境仿真中多种雷达数据库的模型 ，实现了雷达数据库维护软件的设计。

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Once the enemy radar is detected, the system can automatically compare the signal with its database and prioritise the threat of the target.

敌人的雷达一但被发现，系统能自动地把信号与它的数据库比较并且优先目标的威胁。

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They could still check the purported messages against radar signals and against their database of flight plans.

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