A short range millimeter wave radar for rotorcraft DVE operations

Jonathan J. Lynch; Robert G. Nagele; Keerti Kona; Gabriel L. Virbila; Arthur Bekaryan; Daniel M. Zehnder; Austin Garrido

doi:10.1117/12.2565022

24 April 2020 A short range millimeter wave radar for rotorcraft DVE operations

Jonathan J. Lynch, Robert G. Nagele, Keerti Kona, Gabriel L. Virbila, Arthur Bekaryan, Daniel M. Zehnder, Austin Garrido

Author Affiliations +

Proceedings Volume 11424, Situation Awareness in Degraded Environments 2020; 1142404 (2020) https://doi.org/10.1117/12.2565022
Event: SPIE Defense + Commercial Sensing, 2020, Online Only

Abstract

This paper describes progress in the ongoing development of a radar for rotorcraft that utilizes new CMOS ICs that were development for automotive applications. The radar design is discussed, including a lens-based focal plane array that is fed by patch antenna subarray elements. Measured detection pattern data indicates sensitivity sufficient to detect a 1 m2 RCS object at 200 m with a 13dB SNR. Detection pattern data vs. azimuth angle are presented, which indicate a 2.1 deg 3dB beamwidth. Sidelobes are reduced to 30dB below the beam peaks using digital beamforming techniques.

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Citation Download Citation

Jonathan J. Lynch, Robert G. Nagele, Keerti Kona, Gabriel L. Virbila, Arthur Bekaryan, Daniel M. Zehnder, and Austin Garrido "A short range millimeter wave radar for rotorcraft DVE operations", Proc. SPIE 11424, Situation Awareness in Degraded Environments 2020, 1142404 (24 April 2020); https://doi.org/10.1117/12.2565022

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