Synthetic aperture radar interferometry by using ultra-narrowband continuous waveforms

Birsen Yazıcı; H. Cagri Yanik

doi:10.1117/12.2050564

13 June 2014 Synthetic aperture radar interferometry by using ultra-narrowband continuous waveforms

Birsen Yazıcı, H. Cagri Yanik

Proceedings Volume 9093, Algorithms for Synthetic Aperture Radar Imagery XXI; 909305 (2014) https://doi.org/10.1117/12.2050564
Event: SPIE Defense + Security, 2014, Baltimore, MD, United States

Abstract

Interferometric Synthetic Aperture Radar (IFSAR) uses the phase difference between two SAR images acquired at different positions to infer ground topography. Conventional IFSAR technique is based on wideband transmitted waveforms. As a result, the interferometric phase forms an iso-Doppler surface containing the height information. In this work, we present a novel interferometric SAR technique using ultra-narrowband continuous waveforms to infer ground topography. Due to high Doppler resolution of the transmitted waveforms, we refer to this technique as the Doppler-IFSAR. We form SAR images by backprojecting onto iso-Doppler contours. We present the interferometric phase model for Doppler-IFSAR and outline the relationship between the height and interferometric phase.

Citation Download Citation

Birsen Yazıcı and H. Cagri Yanik "Synthetic aperture radar interferometry by using ultra-narrowband continuous waveforms", Proc. SPIE 9093, Algorithms for Synthetic Aperture Radar Imagery XXI, 909305 (13 June 2014); https://doi.org/10.1117/12.2050564

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