Radar Cross-Section Formulation of a Shell-Shaped Projectile Using Modified PO Analysis | Zendy

Mohammad Asif Zaman | Zendy; Md. Abdul Matin | Zendy

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Radar Cross-Section Formulation of a Shell-Shaped Projectile Using Modified PO Analysis

Author(s) -

Mohammad Asif Zaman,

Md. Abdul Matin

Publication year - 2012

Publication title -

modelling and simulation in engineering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.264

H-Index - 20

eISSN - 1687-5591

pISSN - 1687-5605

DOI - 10.1155/2012/328321

Subject(s) - projectile , radar cross section , physical optics , classification of discontinuities , cross section (physics) , shadow (psychology) , radar , shell (structure) , surface (topology) , physics , fourier transform , optics , geometry , mathematical analysis , engineering , mathematics , scattering , aerospace engineering , mechanical engineering , psychology , quantum mechanics , psychotherapist

A physical optics based method is presented for calculation of monostatic Radar Cross-Section (RCS) of a shell-shaped projectile. The projectile is modeled using differential geometry. The paper presents a detailed analysis procedure for RCS formulation using physical optics (PO) method. The shortcomings of the PO method in predicting accurate surface current density near the shadow boundaries are highlighted. A Fourier transform-based filtering method is proposed to remove the discontinuities in the approximated surface current density. The modified current density is used to formulate the scattered field and RCS. Numerical results are presented comparing the proposed method with conventional PO method. The results are also compared with published results of similar objects and found to be in good agreement

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