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On SAR Processing Using Pixel-wise Matched Kernels

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Details

Original languageEnglish
Title of host publicationProceedings of the 11th European Radar Conference, EuMW2014, European Microwave Week 2014, 5-10 October,2014, Rome, Italy
Place of PublicationPiscataway
PublisherInstitute of Electrical and Electronics Engineers
Pages97-100
Number of pages4
ISBN (Print)978-2-87487-037-8
DOIs
Publication statusPublished - 2014
Publication typeA4 Article in a conference publication
EventEuropean Radar Conference -
Duration: 1 Jan 2013 → …

Conference

ConferenceEuropean Radar Conference
Period1/01/13 → …

Abstract

The recent increase in computing resources allows the emergence of new algorithms, the reappraisal of conventional algorithms, and even the reinvention of formerly computationally infeasible algorithms. This holds true for synthetic aperture radar (SAR) which is nowadays a widely-employed technology for imaging at distance in diverse operating conditions. In this paper, we discuss a formulation for SAR image reconstruction that involves no approximations. A unique kernel function is produced for each pixel of the image. The proposed principle of the kernel formation allows using a direct integral transform from a measured polar domain to a Cartesian image domain; no additional processing is required for any measurement geometry or the size of the image. This approach provides a well-defined premise for the implementation of other essential techniques, related to e.g. using robust waveform and compensating unexpected motion, which are vital for high-quality SAR images in unideal operating conditions. We illustrate our approach with simulated and measured inverse synthetic aperture radar (ISAR) experiments.

Publication forum classification

Field of science, Statistics Finland