Two antenna, two pass interferometric synthetic aperture radar

Martinez, Ana; Doerry, Armin W.; Bickel, Douglas L.

Two antenna, two pass interferometric synthetic aperture radar

Patent · Tue Jun 28 00:00:00 EDT 2005

OSTI ID:1175413

Martinez, Ana; Doerry, Armin W.; Bickel, Douglas L.

A multi-antenna, multi-pass IFSAR mode utilizing data driven alignment of multiple independent passes can combine the scaling accuracy of a two-antenna, one-pass IFSAR mode with the height-noise performance of a one-antenna, two-pass IFSAR mode. A two-antenna, two-pass IFSAR mode can accurately estimate the larger antenna baseline from the data itself and reduce height-noise, allowing for more accurate information about target ground position locations and heights. The two-antenna, two-pass IFSAR mode can use coarser IFSAR data to estimate the larger antenna baseline. Multi-pass IFSAR can be extended to more than two (2) passes, thereby allowing true three-dimensional radar imaging from stand-off aircraft and satellite platforms.

Research Organization:: Sandia National Laboratories (SNL-CA), Livermore, CA (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: AC04-94AL85000

Assignee:: Sandia Corporation

Patent Number(s):: 6,911,932

Application Number:: 10/695,304

OSTI ID:: 1175413

Country of Publication:: United States

Language:: English

References (7)

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Estimating ocean coherence time using dual-baseline interferometric synthetic aperture radar Carande, R. E. IEEE Transactions on Geoscience and Remote Sensing, Vol. 32, Issue 4 https://doi.org/10.1109/36.298012	journal	July 1994
Interferometric synthetic aperture radar terrain elevation mapping from multiple observations Ghiglia, D. C.; Wahl, D. E. Proceedings of IEEE 6th Digital Signal Processing Workshop https://doi.org/10.1109/DSP.1994.379880	conference	January 1994

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