Abstract
This paper presents a method for measuring the radar cross section(RCS) of a scaled aircraft model with a low RCS value in environments other than electromagnetic anechoic chambers. We improve measurement accuracy by introducing coherent integration, coherent subtraction, and time-gating techniques to both eliminate the echoes of non-target objects and improve the signal-to-noise ratio. In this manner, we obtain measurement results that are consistent with the simulation results for complex structures even in environments where many error factors exist.
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