Papers

Papers tagged with : Reflector antenna

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...

01
Jul
2016
Co-authors:
Martin S. Andersen / Leo Emil Sokoler

Designing a contoured beam reflector or performing a direct optimization of a reflectarray requires a mathematical optimization procedure to determine the optimum design of the antenna. A popular...

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...

10
Apr
2016
Co-authors:
Olav Breinbjerg

The inherently high cross polarization of prime focus offset reflector antennas can be compensated by launching higher order modes in the feed horn. Traditionally, the bandwidth of such systems is...

19
Jul
2015
Authors:
Co-authors:
K. Branner, P. Berring, C.M. Markussen, O.S. Kim / S. Pivnenko, O. Breinbjerg

A new specially designed antenna to be used for inter-comparisons and validation of antenna test facilities is under development in cooperation between DTU and TICRA under a contract from the...

12
Apr
2015

This paper presents two methods related to modelling of reflector antenna struts and surrounding structural features such as satellite platforms. One method is a MoM-based strut model and...

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...

12
Apr
2015
Co-authors:
N. Skou / S. S. Søbjærg / A. Ihle / M. Ivashina / O. Iupikov / K. v.‘t Klooster

The design of a push-broom multi-beam radiometer for future ocean observations is described. The radiometer provides a sensitivity one order of magnitude higher than a traditional conical scanning...

12
Apr
2015
Co-authors:
Oleksiy S. Kim, Sergey Pivnenko, Olav Breinbjerg / Kim Branner, Peter Berring, Christen Malte Markussen, Maurice Paquay

This paper describes the structural solution to meet these extremely strict stability requirements and the structural analyses done in order to verify that they can be met. The paper also...

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