An Analytical Error Model for Spaceborne SAR Multichannel Azimuth Reconstruction
In the context of spaceborne synthetic aperture radar (SAR) for remote sensing, multichannel system architectures coupled with digital beamforming techniques are deemed a necessary technological advancement to fulfill the requirements for near-future spaceborne radar missions. Calibration of such sy...
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| Veröffentlicht in: | IEEE geoscience and remote sensing letters 2018-06, Vol.15 (6), p.853-857 |
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| container_title | IEEE geoscience and remote sensing letters |
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| creator | Queiroz de Almeida, Felipe Younis, Marwan Krieger, Gerhard Moreira, Alberto |
| description | In the context of spaceborne synthetic aperture radar (SAR) for remote sensing, multichannel system architectures coupled with digital beamforming techniques are deemed a necessary technological advancement to fulfill the requirements for near-future spaceborne radar missions. Calibration of such systems is an important topic, since channel imbalances may lead to considerable degradation of their performance. This letter analyzes the impact of residual errors in a SAR system with multiple channels in azimuth and derives an analytical model for the resulting performance degradation, which may be used in system design as an aid to establish requirements in an error budget analysis. |
| doi_str_mv | 10.1109/LGRS.2018.2811786 |
| format | Article |
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This letter analyzes the impact of residual errors in a SAR system with multiple channels in azimuth and derives an analytical model for the resulting performance degradation, which may be used in system design as an aid to establish requirements in an error budget analysis.</description><identifier>ISSN: 1545-598X</identifier><identifier>EISSN: 1558-0571</identifier><identifier>DOI: 10.1109/LGRS.2018.2811786</identifier><identifier>CODEN: IGRSBY</identifier><language>eng</language><publisher>Piscataway: IEEE</publisher><subject>Analytical errors ; Analytical models ; Array signal processing ; Azimuth ; Beamforming ; Calibration ; Channel imbalances ; Degradation ; digital beamforming (DBF) ; Error analysis ; error modeling ; high-resolution wide swath ; Image reconstruction ; Impact analysis ; Mathematical model ; Mathematical models ; Missions ; multichannel SAR ; Performance degradation ; Radar ; Remote sensing ; SAR (radar) ; Spaceborne radar ; Synthetic aperture radar ; synthetic aperture radar (SAR) ; Systems design</subject><ispartof>IEEE geoscience and remote sensing letters, 2018-06, Vol.15 (6), p.853-857</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) 2018</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c336t-d1e53277d74d04cd9a6907f2d0edca3b261b147802d9d6d9757ecc57f3db71583</citedby><cites>FETCH-LOGICAL-c336t-d1e53277d74d04cd9a6907f2d0edca3b261b147802d9d6d9757ecc57f3db71583</cites><orcidid>0000-0002-8563-7371 ; 0000-0002-3436-9653 ; 0000-0001-5929-6633 ; 0000-0002-4548-0285</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/8323413$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,776,780,792,27901,27902,54733</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/8323413$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Queiroz de Almeida, Felipe</creatorcontrib><creatorcontrib>Younis, Marwan</creatorcontrib><creatorcontrib>Krieger, Gerhard</creatorcontrib><creatorcontrib>Moreira, Alberto</creatorcontrib><title>An Analytical Error Model for Spaceborne SAR Multichannel Azimuth Reconstruction</title><title>IEEE geoscience and remote sensing letters</title><addtitle>LGRS</addtitle><description>In the context of spaceborne synthetic aperture radar (SAR) for remote sensing, multichannel system architectures coupled with digital beamforming techniques are deemed a necessary technological advancement to fulfill the requirements for near-future spaceborne radar missions. 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| subjects | Analytical errors Analytical models Array signal processing Azimuth Beamforming Calibration Channel imbalances Degradation digital beamforming (DBF) Error analysis error modeling high-resolution wide swath Image reconstruction Impact analysis Mathematical model Mathematical models Missions multichannel SAR Performance degradation Radar Remote sensing SAR (radar) Spaceborne radar Synthetic aperture radar synthetic aperture radar (SAR) Systems design |
| title | An Analytical Error Model for Spaceborne SAR Multichannel Azimuth Reconstruction |
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