{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,20]],"date-time":"2025-10-20T18:38:31Z","timestamp":1760985511273,"version":"3.37.3"},"reference-count":26,"publisher":"Institute of Electrical and Electronics Engineers (IEEE)","issue":"4","license":[{"start":{"date-parts":[[2017,4,1]],"date-time":"2017-04-01T00:00:00Z","timestamp":1491004800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/ieeexplore.ieee.org\/Xplorehelp\/downloads\/license-information\/IEEE.html"},{"start":{"date-parts":[[2017,4,1]],"date-time":"2017-04-01T00:00:00Z","timestamp":1491004800000},"content-version":"am","delay-in-days":0,"URL":"https:\/\/ieeexplore.ieee.org\/Xplorehelp\/downloads\/license-information\/IEEE.html"},{"start":{"date-parts":[[2017,4,1]],"date-time":"2017-04-01T00:00:00Z","timestamp":1491004800000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-029"},{"start":{"date-parts":[[2017,4,1]],"date-time":"2017-04-01T00:00:00Z","timestamp":1491004800000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-037"}],"funder":[{"DOI":"10.13039\/100000001","name":"National Science Foundation","doi-asserted-by":"publisher","award":["ANT0424589"],"award-info":[{"award-number":["ANT0424589"]}],"id":[{"id":"10.13039\/100000001","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["IEEE Trans. Geosci. Remote Sensing"],"published-print":{"date-parts":[[2017,4]]},"DOI":"10.1109\/tgrs.2016.2639510","type":"journal-article","created":{"date-parts":[[2017,1,17]],"date-time":"2017-01-17T01:32:33Z","timestamp":1484616753000},"page":"2239-2249","source":"Crossref","is-referenced-by-count":11,"title":["Direction-of-Arrival Analysis of Airborne Ice Depth Sounder Data"],"prefix":"10.1109","volume":"55","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-6938-5146","authenticated-orcid":false,"given":"Ulrik","family":"Nielsen","sequence":"first","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6505-0859","authenticated-orcid":false,"given":"Jie-Bang","family":"Yan","sequence":"additional","affiliation":[]},{"given":"Sivaprasad","family":"Gogineni","sequence":"additional","affiliation":[]},{"given":"Jorgen","family":"Dall","sequence":"additional","affiliation":[]}],"member":"263","reference":[{"key":"ref10","doi-asserted-by":"publisher","DOI":"10.1109\/TGRS.2011.2132802"},{"key":"ref11","doi-asserted-by":"publisher","DOI":"10.1109\/TGRS.2013.2266415"},{"key":"ref12","doi-asserted-by":"publisher","DOI":"10.3189\/2014JoG14J129"},{"key":"ref13","first-page":"247","article-title":"Coherent surface clutter suppression techniques with topography estimation for multi-phase-center radar ice sounding","author":"nielsen","year":"2012","journal-title":"Proc EUSAR"},{"key":"ref14","doi-asserted-by":"publisher","DOI":"10.1049\/iet-rsn.2009.0035"},{"key":"ref15","doi-asserted-by":"publisher","DOI":"10.1109\/TGRS.2015.2418221"},{"article-title":"Design and development of a multi-channel radar depth sounder","year":"2006","author":"lohoefener","key":"ref16"},{"key":"ref17","doi-asserted-by":"publisher","DOI":"10.1109\/TAP.1986.1143830"},{"key":"ref18","doi-asserted-by":"publisher","DOI":"10.1109\/29.7543"},{"journal-title":"Introduction to Spectral Analysis","year":"1997","author":"stoica","key":"ref19"},{"key":"ref4","doi-asserted-by":"publisher","DOI":"10.1029\/2001JD900183"},{"key":"ref3","doi-asserted-by":"publisher","DOI":"10.1002\/2014GL060140"},{"key":"ref6","doi-asserted-by":"publisher","DOI":"10.5194\/tc-6-771-2012"},{"key":"ref5","doi-asserted-by":"publisher","DOI":"10.1109\/IGARSS.2012.6351098"},{"article-title":"Synthetic-aperture radar (SAR) processing of glacial-ice depth-sounding data, Ka-band backscattering measurements and applications","year":"1999","author":"legarsky","key":"ref8"},{"key":"ref7","doi-asserted-by":"publisher","DOI":"10.1109\/TGRS.2012.2203822"},{"key":"ref2","doi-asserted-by":"publisher","DOI":"10.1126\/science.1228102"},{"key":"ref9","doi-asserted-by":"publisher","DOI":"10.3189\/002214310791190811"},{"key":"ref1","doi-asserted-by":"publisher","DOI":"10.1029\/2011GL046583"},{"key":"ref20","doi-asserted-by":"publisher","DOI":"10.1109\/TAP.2012.2211327"},{"key":"ref22","first-page":"321","author":"gudmandsen","year":"1971","journal-title":"Electromagnetic Probing in Geophysics"},{"journal-title":"MUSIC Pseudo-Spectral Power Derived Images of the Jakobshavn Glacier Center for Remote Sensing of Ice Sheets","year":"2012","key":"ref21"},{"key":"ref24","doi-asserted-by":"publisher","DOI":"10.1016\/j.pss.2003.08.020"},{"key":"ref23","volume":"2","author":"ulaby","year":"1982","journal-title":"Microwave Remote Sensing Active and Passive"},{"key":"ref26","doi-asserted-by":"publisher","DOI":"10.1002\/2014GL061645"},{"key":"ref25","volume":"1","author":"ulaby","year":"1981","journal-title":"Microwave Remote Sensing Active and Passive"}],"container-title":["IEEE Transactions on Geoscience and Remote Sensing"],"original-title":[],"link":[{"URL":"http:\/\/ieeexplore.ieee.org\/ielaam\/36\/7864502\/7815340-aam.pdf","content-type":"application\/pdf","content-version":"am","intended-application":"syndication"},{"URL":"http:\/\/xplorestaging.ieee.org\/ielx7\/36\/7864502\/07815340.pdf?arnumber=7815340","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2022,4,8]],"date-time":"2022-04-08T18:47:55Z","timestamp":1649443675000},"score":1,"resource":{"primary":{"URL":"http:\/\/ieeexplore.ieee.org\/document\/7815340\/"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2017,4]]},"references-count":26,"journal-issue":{"issue":"4"},"URL":"https:\/\/doi.org\/10.1109\/tgrs.2016.2639510","relation":{},"ISSN":["0196-2892","1558-0644"],"issn-type":[{"type":"print","value":"0196-2892"},{"type":"electronic","value":"1558-0644"}],"subject":[],"published":{"date-parts":[[2017,4]]}}}