{"id":"https://openalex.org/W3119383720","doi":"https://doi.org/10.1109/lgrs.2020.3047196","title":"A Modified Capon Method for SAR Tomography Over Forest","display_name":"A Modified Capon Method for SAR Tomography Over Forest","publication_year":2021,"publication_date":"2021-01-13","ids":{"openalex":"https://openalex.org/W3119383720","doi":"https://doi.org/10.1109/lgrs.2020.3047196","mag":"3119383720"},"language":"en","primary_location":{"id":"doi:10.1109/lgrs.2020.3047196","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lgrs.2020.3047196","pdf_url":null,"source":{"id":"https://openalex.org/S126920919","display_name":"IEEE Geoscience and Remote Sensing Letters","issn_l":"1545-598X","issn":["1545-598X","1558-0571"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Geoscience and Remote Sensing Letters","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5060780160","display_name":"Hongliang L\u00fc","orcid":"https://orcid.org/0000-0002-0073-8991"},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210137199","display_name":"Aerospace Information Research Institute","ror":"https://ror.org/0419fj215","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210137199"]},{"id":"https://openalex.org/I4210165038","display_name":"University of Chinese Academy of Sciences","ror":"https://ror.org/05qbk4x57","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210165038"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Hongliang Lu","raw_affiliation_strings":["Space Microwave Remote Sensing System Department, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, China","School of Electronic, Electrical and Communication Engineering, University of Chinese Academy of Sciences, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0002-0073-8991","affiliations":[{"raw_affiliation_string":"Space Microwave Remote Sensing System Department, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I19820366","https://openalex.org/I4210137199"]},{"raw_affiliation_string":"School of Electronic, Electrical and Communication Engineering, University of Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I4210165038"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5044564436","display_name":"Huaitao Fan","orcid":"https://orcid.org/0000-0002-8041-5358"},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210137199","display_name":"Aerospace Information Research Institute","ror":"https://ror.org/0419fj215","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210137199"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Huaitao Fan","raw_affiliation_strings":["Space Microwave Remote Sensing System Department, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0002-8041-5358","affiliations":[{"raw_affiliation_string":"Space Microwave Remote Sensing System Department, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I19820366","https://openalex.org/I4210137199"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100755138","display_name":"Heng Zhang","orcid":"https://orcid.org/0000-0003-3635-5826"},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210137199","display_name":"Aerospace Information Research Institute","ror":"https://ror.org/0419fj215","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210137199"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Heng Zhang","raw_affiliation_strings":["Space Microwave Remote Sensing System Department, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0003-3635-5826","affiliations":[{"raw_affiliation_string":"Space Microwave Remote Sensing System Department, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I19820366","https://openalex.org/I4210137199"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101983700","display_name":"Dacheng Liu","orcid":"https://orcid.org/0000-0002-3665-1978"},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210137199","display_name":"Aerospace Information Research Institute","ror":"https://ror.org/0419fj215","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210137199"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Dacheng Liu","raw_affiliation_strings":["Space Microwave Remote Sensing System Department, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0002-3665-1978","affiliations":[{"raw_affiliation_string":"Space Microwave Remote Sensing System Department, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I19820366","https://openalex.org/I4210137199"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5034126342","display_name":"Lei Zhao","orcid":"https://orcid.org/0000-0001-7546-0608"},"institutions":[{"id":"https://openalex.org/I4210114891","display_name":"Institute of Forest Resource Information Techniques","ror":"https://ror.org/01h5d6x15","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210114891","https://openalex.org/I4210128615","https://openalex.org/I4210134523"]},{"id":"https://openalex.org/I4210128615","display_name":"Chinese Academy of Forestry","ror":"https://ror.org/0360dkv71","country_code":"CN","type":"government","lineage":["https://openalex.org/I4210128615","https://openalex.org/I4210134523"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Lei Zhao","raw_affiliation_strings":["Research Institute of Forest Resources Information Technique, Chinese Academy of Forestry, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0001-7546-0608","affiliations":[{"raw_affiliation_string":"Research Institute of Forest Resources Information Technique, Chinese Academy of Forestry, Beijing, China","institution_ids":["https://openalex.org/I4210114891","https://openalex.org/I4210128615"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":15.0664,"has_fulltext":false,"cited_by_count":18,"citation_normalized_percentile":{"value":0.98114576,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":97,"max":99},"biblio":{"volume":"19","issue":null,"first_page":"1","last_page":"5"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10801","display_name":"Synthetic Aperture Radar (SAR) Applications and Techniques","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10801","display_name":"Synthetic Aperture Radar (SAR) Applications and Techniques","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11312","display_name":"Soil Moisture and Remote Sensing","score":0.9975000023841858,"subfield":{"id":"https://openalex.org/subfields/2305","display_name":"Environmental Engineering"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10535","display_name":"Landslides and related hazards","score":0.9952999949455261,"subfield":{"id":"https://openalex.org/subfields/2308","display_name":"Management, Monitoring, Policy and Law"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/capon","display_name":"Capon","score":0.9983460903167725},{"id":"https://openalex.org/keywords/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.7368481755256653},{"id":"https://openalex.org/keywords/estimator","display_name":"Estimator","score":0.6282906532287598},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.5636814832687378},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5534852743148804},{"id":"https://openalex.org/keywords/elevation","display_name":"Elevation (ballistics)","score":0.47603893280029297},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.39844486117362976},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.3444878160953522},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.22598543763160706},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.1953977644443512},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.16351377964019775},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.14681312441825867},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.1283644437789917}],"concepts":[{"id":"https://openalex.org/C2778955098","wikidata":"https://www.wikidata.org/wiki/Q594676","display_name":"Capon","level":3,"score":0.9983460903167725},{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.7368481755256653},{"id":"https://openalex.org/C185429906","wikidata":"https://www.wikidata.org/wiki/Q1130160","display_name":"Estimator","level":2,"score":0.6282906532287598},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.5636814832687378},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5534852743148804},{"id":"https://openalex.org/C37054046","wikidata":"https://www.wikidata.org/wiki/Q641888","display_name":"Elevation (ballistics)","level":2,"score":0.47603893280029297},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.39844486117362976},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3444878160953522},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.22598543763160706},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.1953977644443512},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.16351377964019775},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.14681312441825867},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.1283644437789917},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/lgrs.2020.3047196","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lgrs.2020.3047196","pdf_url":null,"source":{"id":"https://openalex.org/S126920919","display_name":"IEEE Geoscience and Remote Sensing Letters","issn_l":"1545-598X","issn":["1545-598X","1558-0571"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Geoscience and Remote Sensing Letters","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.6299999952316284,"display_name":"Life in Land","id":"https://metadata.un.org/sdg/15"}],"awards":[{"id":"https://openalex.org/G1266425772","display_name":null,"funder_award_id":"2017YFB0502700","funder_id":"https://openalex.org/F4320335777","funder_display_name":"National Key Research and Development Program of China"}],"funders":[{"id":"https://openalex.org/F4320335777","display_name":"National Key Research and Development Program of China","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":23,"referenced_works":["https://openalex.org/W1613559169","https://openalex.org/W1942315616","https://openalex.org/W1952064446","https://openalex.org/W2048289234","https://openalex.org/W2064023564","https://openalex.org/W2066218102","https://openalex.org/W2082306459","https://openalex.org/W2098353811","https://openalex.org/W2109467012","https://openalex.org/W2125474765","https://openalex.org/W2142212280","https://openalex.org/W2145250341","https://openalex.org/W2148610126","https://openalex.org/W2156893865","https://openalex.org/W2167811736","https://openalex.org/W2294372934","https://openalex.org/W2613211097","https://openalex.org/W2901335591","https://openalex.org/W2972674784","https://openalex.org/W2998858673","https://openalex.org/W3007069953","https://openalex.org/W3027730871","https://openalex.org/W3090848191"],"related_works":["https://openalex.org/W1518591539","https://openalex.org/W2155007282","https://openalex.org/W2539501586","https://openalex.org/W2364856472","https://openalex.org/W2498898804","https://openalex.org/W2112261687","https://openalex.org/W2044416778","https://openalex.org/W2120254062","https://openalex.org/W1553205203","https://openalex.org/W4252699458"],"abstract_inverted_index":{"The":[0,44,118],"3-D":[1,58],"structure":[2,35],"of":[3,78,98,115,120],"forests":[4],"is":[5,29,71,124],"an":[6,30],"important":[7,31],"indicator":[8],"for":[9,18,33],"evaluating":[10],"forest":[11,34],"health":[12],"and":[13,21,80,91,106,113,130],"can":[14],"provide":[15],"data":[16,42,129,134],"support":[17],"ecological":[19],"monitoring":[20],"protection.":[22],"Synthetic":[23],"aperture":[24],"radar":[25],"(SAR)":[26],"tomography":[27],"(TomoSAR)":[28],"technology":[32],"estimation":[36,89],"using":[37,126],"the":[38,49,57,75,84,88,96,99,103,111,116,121,127,131,137,143],"multibaseline":[39],"(MB)":[40],"SAR":[41,133,140],"stacks.":[43],"spectral":[45],"estimators,":[46],"such":[47],"as":[48],"Capon":[50,68,104],"method,":[51],"are":[52],"usually":[53],"used":[54],"to":[55,73,109],"estimate":[56],"reflectivity":[59],"along":[60],"elevation":[61,85],"direction.":[62],"In":[63],"this":[64],"letter,":[65],"a":[66],"modified":[67],"(M-Capon)":[69],"method":[70,94,105,123],"proposed":[72],"improve":[74,110],"estimated":[76],"profiles":[77],"ground":[79],"canopy":[81],"scatterers":[82],"in":[83,147],"direction,":[86],"including":[87],"accuracy":[90,114],"resolution.":[92],"This":[93],"combines":[95],"ideas":[97],"CLEAN":[100],"algorithm":[101],"with":[102],"uses":[107],"iteration":[108],"resolution":[112],"estimation.":[117],"effectiveness":[119],"M-Capon":[122],"demonstrated":[125],"simulated":[128],"MB":[132],"acquired":[135],"by":[136],"P-band":[138],"airborne":[139],"system":[141],"over":[142],"Saihanba":[144],"Forest":[145],"Farm":[146],"Hebei,":[148],"China.":[149]},"counts_by_year":[{"year":2025,"cited_by_count":4},{"year":2024,"cited_by_count":6},{"year":2023,"cited_by_count":8}],"updated_date":"2026-07-22T07:51:19.307946","created_date":"2025-10-10T00:00:00"}