Two-target height effects on interferometric synthetic aperture radar coherence

David A. Yocky; Charles V. Jakowatz Jr.

doi:10.1117/12.396320

24 August 2000 Two-target height effects on interferometric synthetic aperture radar coherence

David A. Yocky, Charles V. Jakowatz Jr.

Proceedings Volume 4053, Algorithms for Synthetic Aperture Radar Imagery VII; (2000) https://doi.org/10.1117/12.396320
Event: AeroSense 2000, 2000, Orlando, FL, United States

Abstract

Useful products generated from interferometric synthetic aperture radar (IFSAR) complex data include height measurement, coherent change detection, and classification. The IFSAR coherence is a spatial measure of complex correlation between two collects, a product of IFSAR signal processing. A tacit assumption in such IFSAR signal processing is that the terrain height is constant across an averaging box used in the process of correlating the two images. This paper presents simulations of IFSAR coherence if two target with different heights exist in a given correlation cell, a condition in IFSAR collections produced by layover. It also includes airborne IFSAR data confirming the simulation results. The paper concludes by exploring the implications of the results on IFSAR height measurements and classification.

Citation Download Citation

David A. Yocky and Charles V. Jakowatz Jr. "Two-target height effects on interferometric synthetic aperture radar coherence", Proc. SPIE 4053, Algorithms for Synthetic Aperture Radar Imagery VII, (24 August 2000); https://doi.org/10.1117/12.396320

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