Papers

Papers

14
Jul
2017

The traditional O(f6) computational time scaling when using Method of Moments for monostatic Radar Cross Section calculations is circumvented by applying the Multi-Level Fast Multipole...

12
Jul
2017
Co-authors:
Giovanni Toso

The latest advances on the use of curved reflectarrays for telecommunication applications is presented in this paper. For contoured beam applications, the curvature of the reflectarray surface can...

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...

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...

24
Mar
2017
Co-authors:
Olav Breinbjerg

Waveguides with anisotropic surface impedance boundaries have been investigated for the purpose of matched feeds for offset reflectors. Matched feeds employ higher order waveguide modes to cancel...

22
Mar
2017
Co-authors:
David Marote Alvarez, Marc Bergada, Raquel Gonzalez, Peter de Maagt

We report an RF study at 50 GHz of the Ice Cloud Imager, consisting of a parabolic reflector inside a semiclosed sun shield, as obtained with full-wave method of moments (MoM) and the asymptotic...

21
Mar
2017

The monostatic radar cross section (RCS) is an important design parameter for many applications but accurate RCS prediction of an electrically large structure continues to be a challenging task....

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...

20
Mar
2017
Co-authors:
Giovanni Toso

An investigation of curved contoured beam reflectarrays with reusable surface for multiple coverages is presented. The main advantage of curved reflectarrays over shaped reflectors is that they...

15
Nov
2016
Co-authors:
L. Datashvili / J. Pauw / N. Maghaldadze / M. Migliorelli / J. C. Angevain

This paper focuses on a comparison of possible techniques for grating lobes reduction, applicable to large deployable mesh reflectors based on a peripheral deployable ring. The techniques are...

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