{"id":"https://openalex.org/W2966690819","doi":"https://doi.org/10.1109/tsp.2021.3058444","title":"Randomized Stepped Frequency Radars Exploiting Block Sparsity of Extended Targets: A Theoretical Analysis","display_name":"Randomized Stepped Frequency Radars Exploiting Block Sparsity of Extended Targets: A Theoretical Analysis","publication_year":2021,"publication_date":"2021-01-01","ids":{"openalex":"https://openalex.org/W2966690819","doi":"https://doi.org/10.1109/tsp.2021.3058444","mag":"2966690819"},"language":"en","primary_location":{"id":"doi:10.1109/tsp.2021.3058444","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tsp.2021.3058444","pdf_url":null,"source":{"id":"https://openalex.org/S168680287","display_name":"IEEE Transactions on Signal Processing","issn_l":"1053-587X","issn":["1053-587X","1941-0476"],"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 Transactions on Signal Processing","raw_type":"journal-article"},"type":"article","indexed_in":["arxiv","crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://arxiv.org/pdf/1908.02929","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5042966863","display_name":"Lei Wang","orcid":"https://orcid.org/0000-0001-8882-5741"},"institutions":[{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Lei Wang","raw_affiliation_strings":["Department of Electronic and Engineering, Tsinghua University, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0001-8882-5741","affiliations":[{"raw_affiliation_string":"Department of Electronic and Engineering, Tsinghua University, Beijing, China","institution_ids":["https://openalex.org/I99065089"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5085328234","display_name":"Tianyao Huang","orcid":"https://orcid.org/0000-0002-9043-6814"},"institutions":[{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Tianyao Huang","raw_affiliation_strings":["Department of Electronic and Engineering, Tsinghua University, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0002-9043-6814","affiliations":[{"raw_affiliation_string":"Department of Electronic and Engineering, Tsinghua University, Beijing, China","institution_ids":["https://openalex.org/I99065089"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100728989","display_name":"Yimin Liu","orcid":"https://orcid.org/0000-0002-8947-1268"},"institutions":[{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yimin Liu","raw_affiliation_strings":["Department of Electronic and Engineering, Tsinghua University, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0002-8947-1268","affiliations":[{"raw_affiliation_string":"Department of Electronic and Engineering, Tsinghua University, Beijing, China","institution_ids":["https://openalex.org/I99065089"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.8681,"has_fulltext":false,"cited_by_count":35,"citation_normalized_percentile":{"value":0.84190882,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":"69","issue":null,"first_page":"1378","last_page":"1393"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11739","display_name":"Microwave Imaging and Scattering Analysis","score":0.9993000030517578,"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"}},"topics":[{"id":"https://openalex.org/T11739","display_name":"Microwave Imaging and Scattering Analysis","score":0.9993000030517578,"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"}},{"id":"https://openalex.org/T10891","display_name":"Radar Systems and Signal Processing","score":0.9988999962806702,"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/T11038","display_name":"Advanced SAR Imaging Techniques","score":0.9965999722480774,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5653877854347229},{"id":"https://openalex.org/keywords/block","display_name":"Block (permutation group theory)","score":0.5019714832305908},{"id":"https://openalex.org/keywords/signal-processing","display_name":"Signal processing","score":0.44456902146339417},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.345567524433136},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.34366950392723083},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.28162282705307007},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.260248064994812}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5653877854347229},{"id":"https://openalex.org/C2777210771","wikidata":"https://www.wikidata.org/wiki/Q4927124","display_name":"Block (permutation group theory)","level":2,"score":0.5019714832305908},{"id":"https://openalex.org/C104267543","wikidata":"https://www.wikidata.org/wiki/Q208163","display_name":"Signal processing","level":3,"score":0.44456902146339417},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.345567524433136},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.34366950392723083},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.28162282705307007},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.260248064994812},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/tsp.2021.3058444","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tsp.2021.3058444","pdf_url":null,"source":{"id":"https://openalex.org/S168680287","display_name":"IEEE Transactions on Signal Processing","issn_l":"1053-587X","issn":["1053-587X","1941-0476"],"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 Transactions on Signal Processing","raw_type":"journal-article"},{"id":"pmh:oai:arXiv.org:1908.02929","is_oa":true,"landing_page_url":"http://arxiv.org/abs/1908.02929","pdf_url":"https://arxiv.org/pdf/1908.02929","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"}],"best_oa_location":{"id":"pmh:oai:arXiv.org:1908.02929","is_oa":true,"landing_page_url":"http://arxiv.org/abs/1908.02929","pdf_url":"https://arxiv.org/pdf/1908.02929","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G3148812215","display_name":null,"funder_award_id":"61801258","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":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":53,"referenced_works":["https://openalex.org/W151604921","https://openalex.org/W340244495","https://openalex.org/W595851582","https://openalex.org/W1495967278","https://openalex.org/W1977814181","https://openalex.org/W2005041367","https://openalex.org/W2008937464","https://openalex.org/W2020255126","https://openalex.org/W2059791007","https://openalex.org/W2060874172","https://openalex.org/W2063296295","https://openalex.org/W2077964948","https://openalex.org/W2098751903","https://openalex.org/W2105570532","https://openalex.org/W2114595593","https://openalex.org/W2125680629","https://openalex.org/W2129812935","https://openalex.org/W2130913734","https://openalex.org/W2133845465","https://openalex.org/W2135780853","https://openalex.org/W2137671125","https://openalex.org/W2138019504","https://openalex.org/W2140122025","https://openalex.org/W2147276092","https://openalex.org/W2152294662","https://openalex.org/W2152374199","https://openalex.org/W2159376318","https://openalex.org/W2161618682","https://openalex.org/W2163144545","https://openalex.org/W2166163936","https://openalex.org/W2169326247","https://openalex.org/W2171938517","https://openalex.org/W2557729753","https://openalex.org/W2611310623","https://openalex.org/W2769956223","https://openalex.org/W2792047751","https://openalex.org/W2797280849","https://openalex.org/W2889180350","https://openalex.org/W2911511970","https://openalex.org/W2913717565","https://openalex.org/W2962683872","https://openalex.org/W2973700529","https://openalex.org/W2974907428","https://openalex.org/W3023218716","https://openalex.org/W3080850395","https://openalex.org/W3098702027","https://openalex.org/W3104501706","https://openalex.org/W3125735862","https://openalex.org/W3128947043","https://openalex.org/W4300263211","https://openalex.org/W6666511515","https://openalex.org/W6679721328","https://openalex.org/W6790063720"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2748952813","https://openalex.org/W2051487156","https://openalex.org/W2073681303","https://openalex.org/W2390279801","https://openalex.org/W2358668433","https://openalex.org/W2376932109","https://openalex.org/W2001405890","https://openalex.org/W2382290278","https://openalex.org/W2478288626"],"abstract_inverted_index":{"Randomized":[0],"stepped":[1],"frequency":[2],"radar":[3],"(RSFR)":[4],"is":[5,33,144],"very":[6],"attractive":[7],"for":[8],"tasks":[9],"under":[10,135],"complex":[11],"electromagnetic":[12],"environment.":[13],"Due":[14],"to":[15],"the":[16,40,54,57,65,78,81,90,100,113,120,130,133,137,141,152,155],"synthetic":[17],"high":[18],"range":[19,30],"resolution":[20],"in":[21,43,70,93,123,163],"RSFRs,":[22],"a":[23,27,44,86,94,127],"target":[24,58,82,91],"usually":[25],"occupies":[26],"series":[28],"of":[29,56,89,119,132,140,154],"cells":[31],"and":[32,80,116,125,148],"called":[34],"an":[35],"extended":[36],"target.":[37],"To":[38],"reconstruct":[39],"range-Doppler":[41,102,142],"information":[42,143],"RSFR,":[45],"previous":[46],"studies":[47,99],"based":[48],"on":[49,129],"sparse":[50,107,157,161],"recovery":[51,139,158,162],"mainly":[52],"exploit":[53],"sparsity":[55,79],"scene":[59,92],"but":[60],"do":[61],"not":[62],"adequately":[63],"address":[64],"extended-target":[66],"characteristics,":[67],"which":[68,76,136],"exist":[69],"many":[71],"practical":[72],"applications.":[73],"Block":[74],"sparsity,":[75],"combines":[77],"extension,":[83],"better":[84],"characterizes":[85],"priori":[87],"knowledge":[88],"wideband":[95],"RSFR.":[96],"This":[97],"paper":[98],"RSFR":[101,124],"reconstruction":[103],"problem":[104],"using":[105],"block":[106,114,156],"recovery.":[108],"Particularly,":[109],"we":[110],"theoretically":[111],"analyze":[112],"coherence":[115],"spectral":[117],"norm":[118],"observation":[121],"matrix":[122],"build":[126],"bound":[128],"parameters":[131],"radar,":[134],"exact":[138],"guaranteed.":[145],"Both":[146],"simulation":[147],"field-experiment":[149],"results":[150],"demonstrate":[151],"superiority":[153],"over":[159],"conventional":[160],"RSFRs.":[164]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":11},{"year":2024,"cited_by_count":8},{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":4},{"year":2021,"cited_by_count":7},{"year":2020,"cited_by_count":1}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2019-08-13T00:00:00"}