The Fourier spectrum of the signal scattered by cylinders in translational motion is evaluated. The incident wave is a plane wave. Both perfectly conducting and dielectric cylinders are considered. Particular attention is given to the low-frequency limit. The spectrum turns out to be continuous, and evidences two (infinite) peaks, at frequencies ωi(1 — β cos θ i)(1 ± β)-1.
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Zutter et al. (1977) studied this question.
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