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IEICE Transactions on Electronics 2007 E90-C(2):235-242; doi:10.1093/ietele/e90-c.2.235
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Copyright © 2007 The Institute of Electronics, Information and Communication Engineers

Special Section on Recent Progress in Electromagnetic Theory and Its Application -- Papers -- Fundamental Theory of Electromagnetic Fields

Far Field Radiation Pattern Calculation of the Parabolic Reflector Antenna in Terms of Line Integrals by the Modified Edge Representation

Luis RODRIGUEZ1 and Makoto ANDO1

1 The authors are with the Tokyo Institute of Technology, Tokyo, 152-8552 Japan. E-mail: lrodriguez{at}antenna.ee.titech.ac.jp


  Abstract

This paper presents the Physical Optics field calculation in terms of only line integrations by using the Modified Edge Representation technique (MER), the alternative way of the surface integration. Not only the diffracted fields as in the conventional method of equivalent edge currents (EEC) but also the scattering geometrical optics fields are expressed in terms of the MER line integrals. The far field patterns of parabolic reflector antennas with the defocused dipole feed are discussed and the satisfactory agreement with those obtained by the Physical Optics surface integration is demonstrated.

Key Words: Modified Edge Representation, physical optics

Manuscript received May 22, 2006. Manuscript revised September 3, 2006.


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