摘要
传统二维电扫相控阵雷达在设计A显显示内容时,有的采用一次信息跟踪数据,由于数据量大,使信号处理受限,导致A显显示回波范围很小;有的采用一次信息搜索数据,虽能够显示全距离回波,但方位和俯仰上信息在A显上叠加,导致在A显上难以确定回波的具体位置。文中针对上述雷达对一次信息挖掘利用不够充分的问题,以一部实体二维电扫相控阵雷达的A显改造工程为例,分析了一次信息搜索数据的控制字和数据结构,采用抽样压缩的方法提高了数据传输效率和时间分段的方式进行多任务处理,实现了全量程、全方位三维A显。由实现效果可以看出,全量程三维A显能够显示全方位回波幅度信息细节,在雷达参与电子对抗等任务中发挥了重要作用。
Traditional planar electronic-scan phased-array radars＂ A-scope display often has a rather limited range owing to the inade- quacy of processing vast volumes of data and signals. Even if the full-range echoes can be displayed, the specific position of the echo still cannot be determined on A-scope display because of overlapping of both azimuth and elevation information. To further mine the raw video information, advanced here is a new ftdl-scale three-dimensional A-scope display method, which has already been applied to some planar electronic-scan phased-array radar. The control words and the data structure of the raw video information search data are analyzed, the data transmission efficiency is enhanced by adopting sampling-compression method, and the multi-task processing is realized by time slicing. The results show that the full-scale three-dimensional A-scope display can present information details of full- azimuthed echo amplitude, and it has played an important role in completing electronic countermeasure tasks.
出处
《现代雷达》
CSCD
北大核心
2013年第2期64-67,共4页
Modern Radar
关键词
二维电扫相控阵雷达
一次信息
全量程三维A显
planar electronic-scan phased-array radar
raw video information
full-scale 3D A-scope display
