Firstly, a method for preprocessing radar echo data in three-dimensional search radar system is studied in this paper. Then an adaptive adjustment method for measuring the size of correlative wave gate is presented. Secondly a correlative zone algorithm is adopted to process the repeatedly-measured echo data and get the target information accurately, thus form a steady target flight path.%研究三维搜索雷达系统中对回波数据进行预处理方法,提出了相关波门的形状和尺寸,给出相关波门尺寸的自适应调节方法,采用相关区算法对重复检测的回波数据进行处理,将使提取的目标信息更精确,从而形成稳定的航迹.
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