{"id":"https://openalex.org/W29518957","doi":"https://doi.org/10.3390/s18030805","title":"Breeding bird census - coastal sand dunes","display_name":"Breeding bird census - coastal sand dunes","publication_year":1977,"publication_date":"1977-01-01","ids":{"openalex":"https://openalex.org/W29518957","doi":"https://doi.org/10.3390/s18030805","mag":"29518957"},"language":"en","primary_location":{"id":"mag:29518957","is_oa":false,"landing_page_url":"https://pubs.er.usgs.gov/publication/1001224","pdf_url":null,"source":{"id":"https://openalex.org/S2764589810","display_name":"American Birds","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"American Birds","raw_type":null},"type":"article","indexed_in":[],"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/A5027022670","display_name":"Paul Sorensen","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Paul Sorensen","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5082976824","display_name":"Paul F. Springer","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Paul F. Springer","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.00163061,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"31","issue":"1","first_page":"76","last_page":"76"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T13388","display_name":"Rangeland and Wildlife Management","score":0.866100013256073,"subfield":{"id":"https://openalex.org/subfields/2303","display_name":"Ecology"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T13388","display_name":"Rangeland and Wildlife Management","score":0.866100013256073,"subfield":{"id":"https://openalex.org/subfields/2303","display_name":"Ecology"},"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/T13015","display_name":"Botany, Ecology, and Taxonomy Studies","score":0.7961999773979187,"subfield":{"id":"https://openalex.org/subfields/1110","display_name":"Plant Science"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T12383","display_name":"Aeolian processes and effects","score":0.7764000296592712,"subfield":{"id":"https://openalex.org/subfields/1904","display_name":"Earth-Surface Processes"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/census","display_name":"Census","score":0.8429980278015137},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.6714611053466797},{"id":"https://openalex.org/keywords/sand-dune-stabilization","display_name":"Sand dune stabilization","score":0.5668148398399353},{"id":"https://openalex.org/keywords/ecology","display_name":"Ecology","score":0.20830249786376953},{"id":"https://openalex.org/keywords/biology","display_name":"Biology","score":0.13610905408859253},{"id":"https://openalex.org/keywords/medicine","display_name":"Medicine","score":0.10960391163825989},{"id":"https://openalex.org/keywords/environmental-health","display_name":"Environmental health","score":0.06364941596984863},{"id":"https://openalex.org/keywords/population","display_name":"Population","score":0.04151874780654907}],"concepts":[{"id":"https://openalex.org/C52130261","wikidata":"https://www.wikidata.org/wiki/Q39825","display_name":"Census","level":3,"score":0.8429980278015137},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.6714611053466797},{"id":"https://openalex.org/C167110946","wikidata":"https://www.wikidata.org/wiki/Q4185006","display_name":"Sand dune stabilization","level":2,"score":0.5668148398399353},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.20830249786376953},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.13610905408859253},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.10960391163825989},{"id":"https://openalex.org/C99454951","wikidata":"https://www.wikidata.org/wiki/Q932068","display_name":"Environmental health","level":1,"score":0.06364941596984863},{"id":"https://openalex.org/C2908647359","wikidata":"https://www.wikidata.org/wiki/Q2625603","display_name":"Population","level":2,"score":0.04151874780654907}],"mesh":[],"locations_count":1,"locations":[{"id":"mag:29518957","is_oa":false,"landing_page_url":"https://pubs.er.usgs.gov/publication/1001224","pdf_url":null,"source":{"id":"https://openalex.org/S2764589810","display_name":"American Birds","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"American Birds","raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.6299999952316284,"display_name":"Life below water","id":"https://metadata.un.org/sdg/14"}],"awards":[{"id":"https://openalex.org/G3698116956","display_name":null,"funder_award_id":"61201379","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G6165845297","display_name":"\u57fa\u4e8e\u53d1\u5c04\u63a5\u6536\u8054\u5408\u4f18\u5316\u7684\u673a\u8f7dMIMO\u96f7\u8fbe\u52a8\u76ee\u6807\u7a7a\u65f6\u68c0\u6d4b\u7b97\u6cd5\u7814\u7a76","funder_award_id":"61671453","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W109976808","https://openalex.org/W23807026","https://openalex.org/W2766988950","https://openalex.org/W2346426133","https://openalex.org/W2307131322","https://openalex.org/W2798009256","https://openalex.org/W631301147","https://openalex.org/W2136151211","https://openalex.org/W3186634446","https://openalex.org/W3191074818","https://openalex.org/W3005349738","https://openalex.org/W127715546","https://openalex.org/W83264890","https://openalex.org/W33152344","https://openalex.org/W416779060","https://openalex.org/W435070243","https://openalex.org/W2638034","https://openalex.org/W121504527","https://openalex.org/W810644615","https://openalex.org/W2191458529"],"abstract_inverted_index":{"In":[0],"this":[1,77],"paper,":[2],"we":[3],"consider":[4],"the":[5,9,15,39,43,48,52,62,66,69,72,79,82,88,93,101,108,112,121,132,135,141,145],"problem":[6],"of":[7,11,17,20,51,81,111,134,148],"tracking":[8,31],"direction":[10,16],"arrivals":[12],"(DOA)":[13],"and":[14,47,103,114],"departure":[18],"(DOD)":[19],"multiple":[21],"targets":[22],"for":[23,33,144],"bistatic":[24],"multiple-input":[25],"multiple-output":[26],"(MIMO)":[27],"radar.":[28,150],"A":[29],"high-precision":[30],"algorithm":[32,64,83,106,139],"target":[34],"angle":[35,49,113],"is":[36],"proposed.":[37],"First,":[38],"linear":[40],"relationship":[41,67],"between":[42,68],"covariance":[44,73,89],"matrix":[45,74,90],"difference":[46,50],"adjacent":[53],"moment":[54],"was":[55,84,97],"obtained":[56,65],"through":[57],"three":[58],"approximate":[59],"relations.":[60],"Then,":[61],"proposed":[63,136],"elements":[70],"in":[71],"difference.":[75],"On":[76],"basis,":[78],"performance":[80,117],"improved":[85],"by":[86],"averaging":[87],"element.":[91],"Finally,":[92],"least":[94],"square":[95],"method":[96],"used":[98],"to":[99],"estimate":[100],"DOD":[102],"DOA.":[104],"The":[105,128,138],"realized":[107],"automatic":[109],"correlation":[110],"provided":[115],"better":[116],"when":[118],"compared":[119],"with":[120],"adaptive":[122],"asymmetric":[123],"joint":[124],"diagonalization":[125],"(AAJD)":[126],"algorithm.":[127,137],"simulation":[129],"results":[130],"demonstrated":[131],"effectiveness":[133],"provides":[140],"technical":[142],"support":[143],"practical":[146],"application":[147],"MIMO":[149]},"counts_by_year":[],"updated_date":"2025-07-23T07:19:41.662064","created_date":"2016-06-24T00:00:00"}
