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Time Reversed Over-The-Horizon Radar

Time Reversed Over-The-Horizon Radar

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Time reversal can play a significant role in improving the performance of current sky-wave high-frequency over-the-horizon-radar (HF OTHR), especially with respect to real-time monitoring and compensation of ionospheric turbulence. Also, multipath interference arising from an HF OTHR environment can significantly increase resolution and the signal-to-clutter-ratio. Furthermore, the proposed double-pass time-reversal EVA method incorporated into active beam steering has the potential to provide high-resolution radar imaging. Currently, a test site is being built between the Chesapeake Bay Detachment (CBD) and Tilghman Island in Maryland to prove the concepts of the proposed system.

Inspec keywords: radar clutter; radar resolution; radar imaging

Other keywords: Tilghman Island; signal-to-clutter-ratio; active beam steering; ionospheric turbulence compensation; high-resolution radar imaging; double-pass time-reversal EVA method; multipath interference; Chesapeake Bay Detachment; sky-wave high-frequency over-the-horizon-radar; time reversed over-the-horizon radar

Subjects: Electromagnetic compatibility and interference; Radar equipment, systems and applications; Optical, image and video signal processing

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