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Full-wave consistent MDS-based simulation of a beam-waveguide circuit fragment for a deep space communication or radio astronomy antenna

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3 Author(s)
Nosich, A.A. ; Dept. of Math., Kharkiv Nat. Univ., Kharkiv ; Sauleau, R. ; Gandel, Y.V.

In this paper we perform full-wave two-dimensional (2-D) simulation of the e-polarized beam wave guidance and scattering by a chain of four finite-size reflectors and mirrors modelling a typical fragment of quasioptical feeding circuit of a deep-space communication antenna. Elementary geometry tuning aimed at the maximum circuit transmission is also demonstrated. The feed beam generated by the aperture of a corrugated horn is simulated with the incident complex-source-point (CSP) field. Numerical solution is obtained from the coupled singular integral equations (IEs) discretized using new quadrature formulas of interpolation type that take full account of the IE kernel singularity and the edge behaviour.

Published in:

Microwave Conference, 2008. EuMC 2008. 38th European

Date of Conference:

27-31 Oct. 2008