RFI suppression in SAR

Details RFI suppression in SAR RFI suppression in SAR

2004-04-26

2009-06-23

Tarcza, Thomas H (Department: 3662)

Communications: directive radio wave systems and devices (e.g.,

Synthetic aperture radar

C342S192000, C342S194000, C342S196000

Reexamination Certificate

active

07551118

ABSTRACT:
A filter scheme for broadcast interference cancellation that is computationally efficient and numerically robust Airborne Low Frequency Synthetic Aperture Radar (SAR) operating in the VHF and UHF bands has been shown. At least interference Doppler filtering or interference cancellation is utilised. The interference cancellation involves prediction of the interference for each particular reception interval of mixed interference and radar ground response. This prediction is then coherently subtracted from the incoming signal.

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Swedish Patent Office, International Search Report for PCT/SE2004/000654, dated Jul. 27, 2004.

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