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一、概述 AN/DPN-31(XE-1)应答机工作于(?)S波段,是美帝50年代产品。可用在导弹、火箭和无人驾驶飞机上。采用一般的“询向—回答”原理,即地面雷达发出询问信号到应答机,应答机再回答一个信号到地面雷达站。地面雷达站根据这二个信号的时间差可以确定飞机离地面雷达站的坐标信息。地面雷达可用AN/MSQ-1A,AN/TPQ-5或改进的SCR—584。使用应答机后可以扩大地面雷达的跟踪范围,也可起到敌我识别的作用。
I. Overview The AN / DPN-31 (XE-1) transponder operates in the (?) S band and is a product of US imperialism 50’s. Available on missiles, rockets and drones. Using the general “inquiry-answer” principle, the ground radar sends an interrogation signal to the transponder, which in turn replies a signal to the ground radar station. The ground radar station can determine the coordinate information of the aircraft from the ground radar station based on the time difference between the two signals. Surface Radar available AN / MSQ-1A, AN / TPQ-5 or improved SCR-584. After using answering machine can expand the tracking range of ground radar can also play a role in the enemy and I identify.