Evaluation of interpolation kernels for SAR interferometry

Journal article (1999)

Authors

R.F. Hanssen Mathematical Geodesy and Positioning - CEG
Richard Bamler Deutsches Zentrum für Luft- und Raumfahrt (DLR)
Research Group
Mathematical Geodesy and Positioning (CEG) (TU Delft)
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Published Date

1999

Language

English

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Faculty

Civil Engineering & Geosciences

Department

Geoscience and Remote Sensing

Research Group

Mathematical Geodesy and Positioning

Abstract

Interpolation is required in interferometric synthetic aperture radar (SAR) processing for coregistration of complex signals. Straightforward system theoretical considerations provide objective figures of merit for interpolators, such as interferometric decorrelation and phase noise. Theoretical and simulation results are given for nearest neighbor, piecewise linear, four- and six-point cubic convolution, and truncated sine kernels.