Abstract

An integral equation method is used for the modeling of electromagnetic scattering from a rotating propeller, of which the length is about half a wavelength. This provides a convenient way of calculating its backscattering spectrum that is useful, for example, when radar detection capabilities are studied. This theoretical model is used to predict the discrete nature of the scattered spectrum and the intensity of its peaks. The simulations are compared with anechoic chamber measurements for different orientations of the propeller’s axis with respect to the polarization of the incident wave.

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