Suppression of radio frequency inteference (RFI) for synchronous impulse reconstruction ultra-wideband radar

Lam Nguyen; Mehrdad Soumekh

doi:10.1117/12.603773

19 May 2005 Suppression of radio frequency inteference (RFI) for synchronous impulse reconstruction ultra-wideband radar

Lam Nguyen, Mehrdad Soumekh

Author Affiliations +

Proceedings Volume 5808, Algorithms for Synthetic Aperture Radar Imagery XII; (2005) https://doi.org/10.1117/12.603773
Event: Defense and Security, 2005, Orlando, Florida, United States

Abstract

This paper is concerned with the issues associated with the suppression of radio frequency interference (RFI) for a synchronous impulse reconstruction (SIRE) ultra-wideband (UWB) synthetic aperture radar (SAR) that is currently being designed and built at the Army Research Laboratory. In this effort, we are developing the next version of the UWB radar that can employ inexpensive A/D converters to digitize wideband signals using the equivalent time sampling technique. In this presentation, we provide an analytical model for the signature of the RFI sources that are measured via an equivalent time sampling scheme. This formulation reveals spectral as well as temporal properties of the measured RFI signals that would aid a user in developing sniff (passive) data collection strategies for constructing adaptive digital signal processing methods for suppressing RFI sources.

Citation Download Citation

Lam Nguyen and Mehrdad Soumekh "Suppression of radio frequency inteference (RFI) for synchronous impulse reconstruction ultra-wideband radar", Proc. SPIE 5808, Algorithms for Synthetic Aperture Radar Imagery XII, (19 May 2005); https://doi.org/10.1117/12.603773

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