A new assessment method for the comprehensive stealth performance of penetration aircrafts

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A new assessment method for the comprehensive stealth performance of penetration aircrafts

Li, Ying / Huang, Jun / Hong, Sheng / Wu, Zhe / Liu, Zhanhe

Abstract Taking the limitations of existing stealth performance assessment methods into account, a new method for the evaluation of the comprehensive stealth performance of penetration aircrafts is proposed. This paper investigates the various characteristics of target Radar Cross Section (RCS), and integrates the parameters needed for building up target RCS numerical simulation model. The circumferential RCS controlling parameter and the RCS curve peak controlling factor are respectively introduced to control the changing trend of circumferential RCS characteristics and RCS curve peak characteristics of the model. During the whole penetration course, a dynamic assessment model as well as a series of comprehensive assessment rules is proposed according to the dynamic detecting characteristics of radar and radar network. This new assessment method can enhance the integrality and confidence degree of aircraft stealth performance assessment conclusions. The relations between the RCS scattering characteristics and the comprehensive stealth performance of penetration aircrafts are summarized. The rules indicated by these relations can be used as the reference for the design of new stealth aircrafts and specific penetration tactics making.