Papers

Papers

09
Oct
2017
Co-authors:
Massimiliano Simeoni / Benedetta Fiorelli

In an on-going TICRA/ESA activity new capabilities for GRASP are being developed. These will enable analysis and optimisation of reflector and feed systems in the final operational environment...

05
Oct
2017
Co-authors:
David Marote / Marc Bergada / Gloria Amazares / Pedro Robustillo / Ulf Klein

This paper presents the latest status of the full-wave simulation of MetOp-SG Ice Cloud Imager (ICI) and the methodology proposed to correlate both simulation and antenna pattern testing in two...

03
Oct
2017
Co-authors:
Eric Amyotte / Yves Demers / Giovanni Toso

Beam squint in single offset reflector antennas with circularly polarized feeds is well known. For applications where single offset reflectors operate in orthogonal circular polarizations in Tx/Rx...

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....

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