本文主要记述了某直升机机载雷达整机振动试验夹具的设计，以及对夹具固有频率的计算和试验验证等。
This paper presents the design of fixture used on helicopter radar's vibration test. How to compute Natrual Frequency of fixture and verify by test is discussed.
舰载直升机机载超视距目标指示雷达不仅能为舰载导弹进行中继制导，延长导弹射程，而且能够提高导弹攻击精度。
The airborne OTH target indication radar for ship born helicopter not only provides relay guidance and longer range, but also improves the missile attack accuracy.
以直升机雷达平台为背景，分析了机载雷达下视模式的杂波特性。
The characteristics of clutter in look-down mode for helicopter radar is presented.
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