Papers

Papers

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...

15
Nov
2016
Co-authors:
Massimiliano Simeoni, Giovanni Toso

This paper describes the design of high-performance contoured beam reflectarrays using a direct optimization technique with an improved optimization engine. In Kuband, curved reflectarrays allow...

01
Nov
2016

The use of curved reflectarrays for telecommunication applications is presented in this paper. For contoured beam applications, the curvature of the reflectarray surface can be used to enhance the...

24
Oct
2016

We present a method that enables full-wave analysis of electrically large antennas and platforms, e.g., a detailed telecommunication satellite at Ka-band. Owing to the efficient formulation, even...

01
Jul
2016
Co-authors:
Olav Breinbjerg

Matched feed horns aim to cancel cross polarization generated in offset reflector systems. An analytical method for predicting the mode spectrum generated by inclusions in such horns, e.g. stubs...

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