Analytical Estimation of Radar Cross Section of Arbitrary Compact Dipole Array

作者：Sneha H L^*; Singh Hema; Jha R M

来源：Applied Computational Electromagnetics Society Journal, 2014, 29(9): 726-734.

• Dipole array
• feed network
• impedance mismatch
• Radar Cross Section (RCS)
• reflection
• transmission

This paper presents the scattering estimation and analysis of an arbitrary phased array with parallel, centre-fed dipole elements, in the presence of mutual coupling. The total Radar Cross Section (RCS) of the uniform dipole array is computed by considering the signal reflections within the array system. The results are shown for two types of feed networks, viz, series feed and parallel feed. The scattering due to higher order reflections and edge effects are neglected. The analytical formulae presented for array RCS emphasize the dependence of scattered field on the design parameters, like dipole length, inter-element spacing, geometrical and electrical properties of phase shifters, couplers and terminal impedances. The results indicate that the mutual coupling effect on the overall RCS pattern is identical for both equal and unequal length dipole arrays. This paper identifies the design parameters that can be optimized towards the RCS control of phased array. These parameters include dipole-length, geometric configuration and terminal impedance.

• 出版日期2014-9