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The effect of the antenna group delay on RCS measurements in the L-band

Abstract : When measuring the radar cross section (RCS) at a distance in the same order as the antennas and the target sizes the range should be accurately assessed. In the L-band the use of highly directive antennas such as horn antennas is restricted by the size they would have. We propose therefore to use a pair of log-periodic arrays instead although they are less directive and supposed to exhibit a stronger mutual coupling. A differential technique based on subtracting the impulse response with and without target is also proposed. The method was successfully validated on a rectangular target. © 2018 IEEE.
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Contributor : Laurent Jonchère Connect in order to contact the contributor
Submitted on : Wednesday, February 20, 2019 - 2:28:51 PM
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I.V. Mihai, L. Anchidin, R.D. Tamas, A. Sharaiha. The effect of the antenna group delay on RCS measurements in the L-band. 2018 IEEE Conference on Antenna Measurements and Applications, CAMA 2018, Sep 2018, Västerås, Sweden. pp.8530456, ⟨10.1109/CAMA.2018.8530456⟩. ⟨hal-02042530⟩



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