OCTAVE DIVISION MOTION COMPENSATION ALGORITHM FOR NEAR-RANGE WIDE-BEAM SAR APPLICATIONS | Zendy

Huaming Wu | Zendy; Thomas Zwick | Zendy

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OCTAVE DIVISION MOTION COMPENSATION ALGORITHM FOR NEAR-RANGE WIDE-BEAM SAR APPLICATIONS

Author(s) -

Huaming Wu,

Thomas Zwick

Publication year - 2014

Publication title -

electromagnetic waves

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.437

H-Index - 89

eISSN - 1559-8985

pISSN - 1070-4698

DOI - 10.2528/pier13110802

Subject(s) - division (mathematics) , range (aeronautics) , motion compensation , octave (electronics) , computer science , beam (structure) , compensation (psychology) , algorithm , optics , physics , engineering , mathematics , aerospace engineering , arithmetic , psychology , psychoanalysis

The space-variant motion errors are speciflc to difierent targets and proportional to the beamwidth of a synthetic aperture radar (SAR) system, which makes them very di-cult to be compensated for a SAR system with wide beamwidth. In this paper, a motion compensation (MoCo) algorithm that exploits the features of the geometry of near-range SAR applications is proposed. By dividing the whole range swath into several octave sub-swaths, the efiects of space-variant motion errors can be greatly reduced, especially for targets at nearer range, with low computational load.

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