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雷达检测性能是雷达最基本、最重要的性能,雷达检测性能试验是雷达试验的重要内容。由于各种原因,针对雷达的系统级原型试验常常难以开展或者只能极少量地开展,通常只能通过进行大量等效试验来辅助雷达性能的鉴定评估工作。本文针对缺乏原型试验条件下的雷达检测性能评估问题,提出了一种基于试验数据分析的雷达检测性能等效推算方法。首先给出了等效试验与原型试验之间的差异性度量方法,它是等效推算和性能评估的基础;接着对存在原型试验条件下的等效推算方法进行了研究;而后针对通常无法进行原型试验的实际情况,提出了一种基于预测模型和仿真试验相结合的零子样原型试验条件下的等效推算方法;最后通过仿真实例验证了本文方法的合理性和可行性。
Radar detection performance is the most basic and important performance of radar. Radar detection performance test is an important part of radar test. For a variety of reasons, system-level prototype testing of radars is often difficult or only minimally carried out, often with a large number of equivalent tests to assist in the identification and evaluation of radar performance. In this paper, aiming at the problem of radar detection performance evaluation in the absence of prototype test, an equivalent estimation method of radar detection performance based on experimental data analysis is proposed. Firstly, the method of measuring the difference between the equivalent test and the prototype test is given, which is the basis of equivalent estimation and performance evaluation. Then, the equivalent estimation method under the existence of prototype test conditions is studied. Then, Prototype test based on the actual situation, put forward a predictive model based on the combination of simulation and zero-subsample test prototype equivalent calculation method; Finally, the simulation example shows the rationality and feasibility of this method.