Propagation model for estimating VOR bearing errors in the presence of windturbines - hybridation of parabolic equation with physical optics

Abstract : Windturbines near VOR ground station can yield significant bearing errors in the azimuth estimation. We propose a model that combines the parabolic equation and the physical optics approximation to predict these errors. It accounts for a possible hilly terrain, and a generic model of windturbines that includes dielectric blades. All the hypotheses made in the model are carefully justified by means of numerical simulations. In a realistic test case, this model is employed to compute the error caused by a complete windfarm located on a hilly terrain within acceptable computation time.
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Christophe Morlaas, Alexandre Chabory, Bernard Souny. Propagation model for estimating VOR bearing errors in the presence of windturbines - hybridation of parabolic equation with physical optics. EuCAP10, 4th European Conference on Antennas and Propagation, Apr 2010, Barcelona, Spain. pp 1-5. ⟨hal-01022224⟩

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