{"id":"https://openalex.org/W1997634289","doi":"https://doi.org/10.1109/igarss.2010.5652062","title":"Radar retrieval of subsurface parameters for layered media with nonsmooth interfaces","display_name":"Radar retrieval of subsurface parameters for layered media with nonsmooth interfaces","publication_year":2010,"publication_date":"2010-07-01","ids":{"openalex":"https://openalex.org/W1997634289","doi":"https://doi.org/10.1109/igarss.2010.5652062","mag":"1997634289"},"language":"en","primary_location":{"id":"doi:10.1109/igarss.2010.5652062","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2010.5652062","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2010 IEEE International Geoscience and Remote Sensing Symposium","raw_type":"proceedings-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/A5007825466","display_name":"Yuriy Goykhman","orcid":null},"institutions":[{"id":"https://openalex.org/I27837315","display_name":"University of Michigan\u2013Ann Arbor","ror":"https://ror.org/00jmfr291","country_code":"US","type":"education","lineage":["https://openalex.org/I27837315"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Yuriy Goykhman","raw_affiliation_strings":["Radiation Laboratory, Department of EECS, University of Michigan, Ann Arbor, MI, USA","Radiation Laboratory, Department of EECS, The University of Michigan, Ann Arbor, USA"],"affiliations":[{"raw_affiliation_string":"Radiation Laboratory, Department of EECS, University of Michigan, Ann Arbor, MI, USA","institution_ids":["https://openalex.org/I27837315"]},{"raw_affiliation_string":"Radiation Laboratory, Department of EECS, The University of Michigan, Ann Arbor, USA","institution_ids":["https://openalex.org/I27837315"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5051682678","display_name":"Mahta Moghaddam","orcid":"https://orcid.org/0000-0001-5304-2616"},"institutions":[{"id":"https://openalex.org/I27837315","display_name":"University of Michigan\u2013Ann Arbor","ror":"https://ror.org/00jmfr291","country_code":"US","type":"education","lineage":["https://openalex.org/I27837315"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Mahta Moghaddam","raw_affiliation_strings":["Radiation Laboratory, Department of EECS, University of Michigan, Ann Arbor, MI, USA","Radiation Laboratory, Department of EECS, The University of Michigan, Ann Arbor, USA"],"affiliations":[{"raw_affiliation_string":"Radiation Laboratory, Department of EECS, University of Michigan, Ann Arbor, MI, USA","institution_ids":["https://openalex.org/I27837315"]},{"raw_affiliation_string":"Radiation Laboratory, Department of EECS, The University of Michigan, Ann Arbor, USA","institution_ids":["https://openalex.org/I27837315"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5007825466"],"corresponding_institution_ids":["https://openalex.org/I27837315"],"apc_list":null,"apc_paid":null,"fwci":0.6453,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.72938689,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"4458","last_page":"4461"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11609","display_name":"Geophysical Methods and Applications","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/2212","display_name":"Ocean 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/T11609","display_name":"Geophysical Methods and Applications","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/2212","display_name":"Ocean 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":0.9998000264167786,"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/T11739","display_name":"Microwave Imaging and Scattering Analysis","score":0.9994000196456909,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.6148491501808167},{"id":"https://openalex.org/keywords/conjugate-gradient-method","display_name":"Conjugate gradient method","score":0.600975751876831},{"id":"https://openalex.org/keywords/scattering","display_name":"Scattering","score":0.5313668251037598},{"id":"https://openalex.org/keywords/inverse-problem","display_name":"Inverse problem","score":0.47559985518455505},{"id":"https://openalex.org/keywords/inverse-scattering-problem","display_name":"Inverse scattering problem","score":0.47534844279289246},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.45844554901123047},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3899516463279724},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.33884096145629883},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.2750196158885956},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.25723138451576233},{"id":"https://openalex.org/keywords/mathematical-analysis","display_name":"Mathematical analysis","score":0.19179514050483704},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.18207785487174988},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.11372512578964233}],"concepts":[{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.6148491501808167},{"id":"https://openalex.org/C81184566","wikidata":"https://www.wikidata.org/wiki/Q1191895","display_name":"Conjugate gradient method","level":2,"score":0.600975751876831},{"id":"https://openalex.org/C191486275","wikidata":"https://www.wikidata.org/wiki/Q210028","display_name":"Scattering","level":2,"score":0.5313668251037598},{"id":"https://openalex.org/C135252773","wikidata":"https://www.wikidata.org/wiki/Q1567213","display_name":"Inverse problem","level":2,"score":0.47559985518455505},{"id":"https://openalex.org/C174558057","wikidata":"https://www.wikidata.org/wiki/Q11639409","display_name":"Inverse scattering problem","level":3,"score":0.47534844279289246},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.45844554901123047},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3899516463279724},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.33884096145629883},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.2750196158885956},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.25723138451576233},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.19179514050483704},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.18207785487174988},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.11372512578964233}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/igarss.2010.5652062","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2010.5652062","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2010 IEEE International Geoscience and Remote Sensing Symposium","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":2,"referenced_works":["https://openalex.org/W2125972217","https://openalex.org/W2128682602"],"related_works":["https://openalex.org/W2005493548","https://openalex.org/W2020820140","https://openalex.org/W2128608246","https://openalex.org/W2520812953","https://openalex.org/W2026391648","https://openalex.org/W2144075718","https://openalex.org/W3101167575","https://openalex.org/W2545426741","https://openalex.org/W1567523647","https://openalex.org/W4321641047"],"abstract_inverted_index":{"The":[0,26,51,70,167],"solution":[1,64],"to":[2,135,152],"the":[3,29,42,48,63,66,78,99,104,120,123,153,165,220],"inverse":[4,121],"problem":[5],"for":[6,90,103,192],"a":[7,11,36,130,137,173],"three-layer":[8],"medium":[9,31],"representing":[10],"large":[12],"class":[13],"of":[14,28,65,133,140,159,164,198,213,222],"natural":[15],"subsurface":[16,216],"structures":[17],"is":[18,33,54,74,127,170,179,204],"developed":[19],"in":[20,119,210,219],"this":[21,207],"paper":[22],"using":[23,77],"radar":[24,109,148,183,196],"data.":[25],"retrieval":[27,212],"layered":[30],"parameters":[32,155],"accomplished":[34,55],"as":[35,172],"sequential":[37],"nonlinear":[38,176],"optimization":[39,52],"starting":[40],"from":[41,107,187],"top":[43],"layer":[44,161],"and":[45,84,87,162,200,215],"progressively":[46],"characterizing":[47],"layers":[49],"below.":[50],"process":[53,73],"by":[56,76],"an":[57],"efficient":[58],"iterative":[59],"technique":[60,208],"built":[61],"around":[62],"forward":[67,71,124],"scattering":[68,72,101,110,125],"problem.":[69],"formulated":[75],"Extended":[79],"Boundary":[80],"Condition":[81],"Method":[82],"(EBCM)":[83],"constructing":[85],"reflection":[86],"transmission":[88],"matrices":[89,94],"each":[91,160],"interface.":[92],"These":[93],"are":[95,112,185],"then":[96,113],"combined":[97],"into":[98],"generalized":[100],"matrix":[102],"entire":[105],"system,":[106],"which":[108],"coefficients":[111,151],"computed.":[114],"To":[115],"be":[116],"efficiently":[117],"utilized":[118],"problem,":[122],"model":[126],"simulated":[128],"over":[129],"wide":[131],"range":[132],"unknowns":[134],"obtain":[136],"complete":[138],"set":[139],"subspace-based":[141],"equivalent":[142],"closed":[143],"form":[144],"models":[145],"that":[146,181,206],"relate":[147],"cross":[149],"section":[150],"sought-for":[154],"including":[156],"dielectric":[157],"constants":[158],"separation":[163],"layers.":[166],"inversion":[168],"algorithm":[169],"implemented":[171],"modified":[174],"conjugate-gradient-based":[175],"optimization.":[177],"It":[178,203],"assumed":[180],"multifrequency":[182],"measurements":[184],"available":[186],"tower-mounted":[188],"or":[189],"airborne":[190],"platforms,":[191],"example":[193],"at":[194],"typical":[195],"frequencies":[197],"L-band":[199],"P-band":[201],"(UHF).":[202],"shown":[205],"results":[209],"accurate":[211],"surface":[214],"parameters,":[217],"even":[218],"presence":[221],"noise.":[223]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}