Papers

Papers tagged with : Physical Optics

12
Jul
2017

Surface shaping of reflector antennas for creating a contoured beam is an ubiquitous task in the design of modern communication satellites. In this paper, we highlight two major improvements to...

12
Jul
2017
Co-authors:
Leri Datashvili / Jean-Christophe Angevain

Spaceborne deployable mesh reflectors are lightweight antennas made by a tensioned net supporting an RF reflecting mesh, which are deployed in orbit. The tensioned net is typically made by regular...

21
Mar
2017
Co-authors:
Raymond Dickie, Paul Baine, John Montgomery, Robert Cahill, Manju Henry, Peter G. Huggard, and Giovanni Toso

The design of an aperiodic frequency selective surface (FSS) for compact quasi-optical networks is presented in this paper. Using a newly developed Physical Optics (PO) method in conjunction with...

10
Apr
2016
Co-authors:
D. Sjöberg, A. Ericsson, P. Balling, G. Gerini, N. J. G. Fonseca and P. De Maagt

This paper discusses the design and analysis of a reflector antenna system combining two doubly-curved Circular Polarization Selective Surfaces to provide a functionality equivalent to that of a...

12
Apr
2015

This paper presents two new modelling algorithms that were recently added to the commercially available GRASP software package for electrically large antenna and scattering problems. In particular...

07
Apr
2014
Co-authors:
H.-H. B. Sørensen, Department of Applied Mathematics and Computer Science, DTU, Denmark / B. Dammann, Department of Applied Mathematics and Computer Science, DTU, Denmark / P. C. Hansen, Department of Applied Mathematics and Computer Science, DTU, Denmark

The Physical Optics approximation is a widely used asymptotic method for calculating the scattering from electrically large bodies. It requires significant computational work and little memory,...

07
Apr
2014

Novel antenna architectures for real aperture multi-beam radiometers providing high resolution and high sensitivity for accurate sea surface temperature (SST) and ocean vector wind (OVW)...

03
Jul
2011

GRASP has for many years constituted the de facto standard in the space community for advanced reflector antenna modeling. The tool has furthermore found widespread use in the earth station...

11
Apr
2011

This paper presents a method of analysing beam waveguide systems, based on Physical Optics and Complex Conical Beams. The analysis procedure for one reflector consists of calculating the field...

04
Nov
2007
Authors:

Serrations are often applied at the edges of compact range reflectors in order to reduce the scattering from the edges into the quiet zone. At low frequencies the serrations show different...

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