Papers

Papers

18
Oct
2011

This paper concerns the EM-modelling of high-accuracy reflector antenna systems, and in particular of reflectors for space antenna systems. Recent modelling developments are exemplified ranging...

18
Oct
2011

Kriging fitting, originally developed for geological exploitation, is here applied for fitting an expected pattern to noisy, irregular in-flight measurements of a satellite antenna...

18
Oct
2011

An investigation on accurate analysis of microstrip reflectarrays is presented. Sources of error in reflectarray analysis are examined and solutions to these issues are proposed. The focus is on...

18
Oct
2011

In-flight measurements of satellite antenna patterns are often given in a highly irregular grid and the data may be influenced by severe noise such that an accurate pat-tern determination is...

18
Oct
2011

A higher-order inverse method of moments algorithm, employing smooth current and geometry representations, as well as a very noise-robust solution algorithm, was presented at last year’s ESA...

18
Oct
2011

A general, accurate, and efficient stand-alone commercial program for antenna diagnostics, DIATOOL, has been developed by TICRA. The software reconstructs the field or the equivalent currents on a...

03
Jul
2011

GRASP has for many years constituted the de facto standard in the space community for advanced reflector antenna modeling. The tool has furthermore found widespread use in the earth station...

02
Jun
2011

The accuracy of various techniques for calculating the radiation from printed reflectarrays is examined, and an improved technique based on the equivalent currents approach is proposed. The...

11
Apr
2011

Accurate fitting of the noisy irregular amplitude only main beam data is essential for the retrieval of the Planck space telescope geometry. Therefore, a novel two-step fit-ting algorithm which...

11
Apr
2011

This contribution deals with the problem of reconstructing the extreme near-field of an antenna starting from the field measured at a larger distance. The presented method has several applications...

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