Company

Knud Pontoppidan

Position: Senior Research Engineer
Education: M.Sc.,Ph.D., Electrical Engineering
Specialization: Reflector Antenna Design, Analysis and Testing
With TICRA since: 1972
Phone (direct): +45 3330 6746
Knud has 40 years of experience in antenna design, especially reflector antennas. He has worked with spacecraft antennas, radio telescopes,deployable reflector antennas and contoured beam antennas. A large effort has been devoted to the influence of reflector tolerances. He has been an external examinator at the Technical University of Denmark for many years.

Papers

06
Oct
2013

The 3D reconstruction algorithm of DIATOOL is applied to the prototype feed array of the BIOMASS synthetic aperture radar, recently measured at the DTU-ESA Spherical Near-Field Antenna Test...

08
Apr
2013

The 3D reconstruction algorithm is applied to the prototype feed array of the BIOMASS synthetic aperture radar, recently measured at the DTU-ESA Spherical Near-Field Antenna Test Facility in...

02
Oct
2012
Authors:

In this paper, an electrical performance verification methodology is proposed for the large deployable reflector antenna of the BIOMASS P-band (435 MHz) synthetic aperture radar (SAR). The...

05
Oct
2010

This paper describes various aspects of a reconfigurable reflector antenna for future space applications. The reflector surface consists of an RF net made by thin interwoven piano wires. This net...

18
May
2009

Shaped reflectors form one of the cornerstones of satellite telecommunications today, and have in all but a few cases replaced the array-fed parabolic reflector antennas for contoured beam...

18
May
2009

The possibility of employing the same spacecraft at several orbital locations, changing the coverage region, and compensating for varying weather conditions are the main reasons why reconfigurable...

23
Mar
2009

A feasibility study of a shaped dual reflector antenna equipped with a reconfigurable subreflector for a realistic mission scenario in Ku band is presented. The reconfigurable surface will be...

11
Nov
2007
Authors:

This paper demonstrates that adapting the reflector surface shape of a spacecraft antenna according to the actual weather situation can reduce the transponder power margin by as much as 6 dB. The...

11
Nov
2007

The Method of Moments (MoM), Physical Optics (PO) and Geometrical Optics (GO) are compared for analysis of dielectric lenses. It is found that MoM can be used (with normal computers) for diameters...

10
Jun
2007

In a quasi-optical network the beams are usually focused and guided through the system by means of curved and planar mirrors. Physical Optics (PO) is an accurate analysis tool for these elements,...

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