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Nyquist Sampling Requirements for Polar Grids in Bistatic Time-Domain Algorithms
Blekinge Institute of Technology, Faculty of Engineering, Department of Mathematics and Natural Sciences.
Blekinge Institute of Technology, Faculty of Engineering, Department of Mathematics and Natural Sciences.ORCID iD: 0000-0002-6643-312X
2015 (English)In: IEEE Transactions on Signal Processing, ISSN 1053-587X, E-ISSN 1941-0476, Vol. 63, no 2, 457-465 p.Article in journal (Refereed) Published
Abstract [en]

The paper presents a derivation of Nyquist sampling requirements for the polar grids in some bistatic time-domain algorithms. The derivation is based on an airborne bistatic system with general bistatic geometry. The Nyquist sampling requirements are shown to be the functions of operating radar frequency, transmitter and receiver subaperture lengths, and bistatic geometry. How to decide the Nyquist sampling requirements for different bistatic geometries and the relationship between the Nyquist sampling requirements in the monostatic and bistatic cases are also addressed in the paper. The derived Nyquist sampling requirements is examined with the bistatic CARABAS-II like data.

Place, publisher, year, edition, pages
2015. Vol. 63, no 2, 457-465 p.
Keyword [en]
Bistatic, fast backprojection, Nyquist sampling, SAR
National Category
Signal Processing
Identifiers
URN: urn:nbn:se:bth-704DOI: 10.1109/TSP.2014.2375157ISI: 000346747300014OAI: oai:DiVA.org:bth-704DiVA: diva2:814206
Available from: 2015-05-26 Created: 2015-05-26 Last updated: 2016-05-24Bibliographically approved

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Vu, Viet ThuyPettersson, Mats
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