Simple SAR demonstrator

Krzysztof Kulpa; Jacek Misiurewicz; Piotr Baranowski; Grzegorz Wojdołowicz

doi:10.1117/12.784823

28 December 2007 Simple SAR demonstrator

Krzysztof Kulpa, Jacek Misiurewicz, Piotr Baranowski, Grzegorz Wojdołowicz

Proceedings Volume 6937, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2007; 693735 (2007) https://doi.org/10.1117/12.784823
Event: Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2007, 2007, Wilga, Poland

Abstract

In this paper we present a simple SAR radar demonstrator build using commercially available (COTS) components. For the microwave analog front end, a standard police radar microwave head has been used. The Motorola DSP processor board, equipped with ADC and DAC, has been used for generating of modulating signal and for signal acquisition. The raw radar signal (I and Q components) have been recorded on 2.5" HDD. The signal processing has been performed on standard PC computer after copying the recorded data. The aim of constructing simple and relatively cheap demonstrator was to provide the students the real-life unclassified radar signals and motivate them to test and develop various kinds of SAR and ISAR algorithms, including image formation, motion compensation and autofocusing. The simple microwave frontend hardware has a lot of non-idealities, so for obtaining nice SAR image it was necessary to develop the number of correction algorithms at the calibration stage. The SAR demonstrator have been tested using car as a moving platform. The flight tests with a small airborne platform are planned for the summer.

Citation Download Citation

Krzysztof Kulpa, Jacek Misiurewicz, Piotr Baranowski, and Grzegorz Wojdołowicz "Simple SAR demonstrator", Proc. SPIE 6937, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2007, 693735 (28 December 2007); https://doi.org/10.1117/12.784823

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