J4 ›› 2014, Vol. 41 ›› Issue (1): 87-91.doi: 10.3969/j.issn.1001-2400.2014.01.016

• Original Articles • Previous Articles     Next Articles

Fast frequency sweep analysis for antennas mounted on platforms using the wire-surface model

Lü Zhengliang;GONG Shuxi;ZHANG Pengfei;ZHAO Bo;WANG Fuwei   

  1. (Science and Technology on Antenna and Microwave Lab., Xidian Univ., Xi'an  710071, China)
  • Received:2012-10-28 Online:2014-02-20 Published:2014-04-02
  • Contact: Lü Zhengliang E-mail:zhenglianglv@stu.xidian.edu.cn

Abstract:

The best uniform rational approximation in conjugation with the method of moments (MoM) is applied to analyze the wide-band electromagnetic characteristic of the wire-surface objects. For the analysis of wire-surface objects, all the wire-surface models are substituted by surface-surface models, and then the radiation problem can be solved more efficiently by the Chebyshev approximation for the surface current combined with discrete wavelet transform (DWT). This technique offers a considerable computational saving in terms of memory. To improve the accuracy, the polynomial series is replaced by the Maehly series and the best uniform rational approximation is obtained. Numerical examples are performed to demonstrate the validity.

Key words: method of moments(MoM), wire-surface objects, discrete wavelet transform, Maehly

CLC Number: 

  • O441