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机载彩色气象雷达用以在飞行中实时地探测前方航路上瞬息万变的气象状况,是保证飞行安全的重要机载电子设备之一。气象雷达是一种自主式的机载电子设备。它是通过气象目标或其他目标对雷达所辐射的雷达信号的反射来探测目标的。雷达的工作无需任何地面设备的配合。本文以Y12飞机的机载彩色气象雷达为例,就其基本原理及相应的功能做一介绍,同时就其常见故障作了定性分析,并提出了维护建议。
Airborne color weather radar is used to detect the rapidly changing weather conditions in the forward route in real time during flight, and is one of the important airborne electronic devices that ensure the flight safety. The weather radar is an autonomous, onboard electronic device. It detects a target by reflecting the radar signal radiated by the radar from a meteorological target or other target. Radar work without any ground equipment. This paper takes Y12 airborne color weather radar as an example, introduces its basic principle and its corresponding function, at the same time makes a qualitative analysis of its common faults and puts forward some maintenance suggestions.