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Article Dans Une Revue IEEE Transactions on Antennas and Propagation Année : 2009

Closed-form expressions of the axial prompt responses of a defocused parabolic reflector antenna

Résumé

In a previous paper, closed-form time-domain expressions of the prompt responses along the axis of such an antenna have been derived, assuming a focused primary point source. In this communication, the formulas are generalized to a defocused primary point source laying on the axis. The new closed-form expressions are valid along the axis, near and far from the reflector. A closed-form expression of the impulse duration is also given. The analytical results show that defocusing may produce significant transient electromagnetic field on the axis.
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Dates et versions

hal-00446340 , version 1 (12-01-2010)

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Rodrigo de Oliveira, Marc Hélier. Closed-form expressions of the axial prompt responses of a defocused parabolic reflector antenna. IEEE Transactions on Antennas and Propagation, 2009, 57 (11), pp.3685-3688. ⟨10.1109/TAP.2009.2026662⟩. ⟨hal-00446340⟩
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