An increasing number of Wind turbines WT are often to be located in some distance to ground based navigation, landing and radar systems. Unacceptable distortions have to be avoided which harm the mission of these systems. The most critical systems are the radar systems. For the safeguarding task, the Radar Cross Section RCS is often used to determine the threat and to analyze distorted parameters. The RCS is a normalized scattering parameter. It is shown in this paper that the RCS does not exist for the WT being installed on the ground due to fundamental reasons. Methodological numerical examples are presented for the scattering of generic metallic plates, showing the 'caustic problem' for the GTD/UTD-method and spatial under-sampling effects in the graphical results. The use and relevance of the RCS is discussed for the evaluation of the False Target Reports FTR for the Primary Air Traffic Control Radar PSR ATC. Multi-scattering cases are studied for a large WT (E82) and an average medium aircraft B737-800. It is concluded that FTR are extremely unlikely and unrealistic to occur.
RCS - Numerical, methodological and conceptional aspects for the analysis of radar distorting objects
RCS - Numerische, methodische und konzeptionelle Aspekte für die Analyse von radarstörenden Objekten
2009
6 Seiten, 13 Bilder, 12 Quellen
(nicht paginiert)
Conference paper
Storage medium
English
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