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进行雷达截面(RCS)测量时,主要问题是需要消除测量数据中非期望信号的影响.为此,提出了一种使用 HP8409C 自动网络分析仪测量目标 RCS 的方法,介绍了测试系统的设置和工作原理,以及借助仪器校准功能和所扩展的时域能力完成非期望信号的消除处理.说明 RCS非暗室测量的可行性,简述了 HP8409C 的扫频测量、校准步骤以及外场测试的结果。
The main problem in RCS measurement is the need to eliminate the influence of undesired signals in the measurement data.Therefore, a method to measure the target RCS using the HP8409C automatic network analyzer is proposed, and the setting and working of the test system are introduced Principle and the elimination of undesired signals with the help of instrument calibration function and extended time-domain capability.The feasibility of RCS non-darkroom measurement is described, and the results of sweeping measurement, calibration procedure and field test of HP8409C are described briefly.