{"id":"https://openalex.org/W2901395220","doi":"https://doi.org/10.1109/igarss.2018.8519347","title":"Effect of Non-Uniform Azimuth Sampling on Sar Image Formation Evaluated at 79Ghz","display_name":"Effect of Non-Uniform Azimuth Sampling on Sar Image Formation Evaluated at 79Ghz","publication_year":2018,"publication_date":"2018-07-01","ids":{"openalex":"https://openalex.org/W2901395220","doi":"https://doi.org/10.1109/igarss.2018.8519347","mag":"2901395220"},"language":"en","primary_location":{"id":"doi:10.1109/igarss.2018.8519347","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2018.8519347","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IGARSS 2018 - 2018 IEEE International Geoscience and Remote Sensing Symposium","raw_type":"proceedings-article"},"type":"conference-paper","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/A5008501169","display_name":"Man Chung Chim","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Man Chung Chim","raw_affiliation_strings":["Lyles School of Civil Engineering Purdue University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Lyles School of Civil Engineering Purdue University","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5065547344","display_name":"Daniele Perissin","orcid":"https://orcid.org/0000-0003-4086-8608"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Daniele Perissin","raw_affiliation_strings":["Lyles School of Civil Engineering Purdue University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Lyles School of Civil Engineering Purdue University","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100731331","display_name":"Lei Zhang","orcid":"https://orcid.org/0000-0003-1907-3640"},"institutions":[{"id":"https://openalex.org/I14243506","display_name":"Hong Kong Polytechnic University","ror":"https://ror.org/0030zas98","country_code":"HK","type":"education","lineage":["https://openalex.org/I14243506"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Lei Zhang","raw_affiliation_strings":["The Department of Land Surveying and Geo-Informatics, The Hong Kong Polytechnic University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"The Department of Land Surveying and Geo-Informatics, The Hong Kong Polytechnic University","institution_ids":["https://openalex.org/I14243506"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5009593279","display_name":"Hongyu Liang","orcid":"https://orcid.org/0000-0002-6410-1631"},"institutions":[{"id":"https://openalex.org/I14243506","display_name":"Hong Kong Polytechnic University","ror":"https://ror.org/0030zas98","country_code":"HK","type":"education","lineage":["https://openalex.org/I14243506"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Hongyu Liang","raw_affiliation_strings":["The Department of Land Surveying and Geo-Informatics, The Hong Kong Polytechnic University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"The Department of Land Surveying and Geo-Informatics, The Hong Kong Polytechnic University","institution_ids":["https://openalex.org/I14243506"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"9226","last_page":"9228"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11038","display_name":"Advanced SAR Imaging Techniques","score":0.9993000030517578,"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/T11038","display_name":"Advanced SAR Imaging Techniques","score":0.9993000030517578,"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/T10500","display_name":"Sparse and Compressive Sensing Techniques","score":0.9955999851226807,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"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/T10801","display_name":"Synthetic Aperture Radar (SAR) Applications and Techniques","score":0.9950000047683716,"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/azimuth","display_name":"Azimuth","score":0.8063263893127441},{"id":"https://openalex.org/keywords/sampling","display_name":"Sampling (signal processing)","score":0.6708182692527771},{"id":"https://openalex.org/keywords/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.6554122567176819},{"id":"https://openalex.org/keywords/nyquist\u2013shannon-sampling-theorem","display_name":"Nyquist\u2013Shannon sampling theorem","score":0.6410632133483887},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5752641558647156},{"id":"https://openalex.org/keywords/inverse-synthetic-aperture-radar","display_name":"Inverse synthetic aperture radar","score":0.5231695771217346},{"id":"https://openalex.org/keywords/radar-imaging","display_name":"Radar imaging","score":0.5132544040679932},{"id":"https://openalex.org/keywords/antenna","display_name":"Antenna (radio)","score":0.49668174982070923},{"id":"https://openalex.org/keywords/side-looking-airborne-radar","display_name":"Side looking airborne radar","score":0.4331439435482025},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.38902348279953003},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.3168174624443054},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.3073923587799072},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.3054888844490051},{"id":"https://openalex.org/keywords/continuous-wave-radar","display_name":"Continuous-wave radar","score":0.2336139678955078},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.18211349844932556},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.1663948893547058},{"id":"https://openalex.org/keywords/filter","display_name":"Filter (signal processing)","score":0.10339003801345825}],"concepts":[{"id":"https://openalex.org/C159737794","wikidata":"https://www.wikidata.org/wiki/Q124274","display_name":"Azimuth","level":2,"score":0.8063263893127441},{"id":"https://openalex.org/C140779682","wikidata":"https://www.wikidata.org/wiki/Q210868","display_name":"Sampling (signal processing)","level":3,"score":0.6708182692527771},{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.6554122567176819},{"id":"https://openalex.org/C288623","wikidata":"https://www.wikidata.org/wiki/Q679800","display_name":"Nyquist\u2013Shannon sampling theorem","level":2,"score":0.6410632133483887},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5752641558647156},{"id":"https://openalex.org/C109094680","wikidata":"https://www.wikidata.org/wiki/Q6060432","display_name":"Inverse synthetic aperture radar","level":4,"score":0.5231695771217346},{"id":"https://openalex.org/C10929652","wikidata":"https://www.wikidata.org/wiki/Q7279985","display_name":"Radar imaging","level":3,"score":0.5132544040679932},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.49668174982070923},{"id":"https://openalex.org/C62282787","wikidata":"https://www.wikidata.org/wiki/Q831483","display_name":"Side looking airborne radar","level":5,"score":0.4331439435482025},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.38902348279953003},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.3168174624443054},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.3073923587799072},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.3054888844490051},{"id":"https://openalex.org/C59584813","wikidata":"https://www.wikidata.org/wiki/Q1029234","display_name":"Continuous-wave radar","level":4,"score":0.2336139678955078},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.18211349844932556},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.1663948893547058},{"id":"https://openalex.org/C106131492","wikidata":"https://www.wikidata.org/wiki/Q3072260","display_name":"Filter (signal processing)","level":2,"score":0.10339003801345825}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/igarss.2018.8519347","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2018.8519347","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IGARSS 2018 - 2018 IEEE International Geoscience and Remote Sensing Symposium","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Sustainable cities and communities","score":0.6399999856948853,"id":"https://metadata.un.org/sdg/11"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":3,"referenced_works":["https://openalex.org/W2107468129","https://openalex.org/W2501210789","https://openalex.org/W4285719527"],"related_works":["https://openalex.org/W2112228652","https://openalex.org/W1994788526","https://openalex.org/W2108352898","https://openalex.org/W1915418828","https://openalex.org/W2108697546","https://openalex.org/W2547107543","https://openalex.org/W2383271330","https://openalex.org/W4281769129","https://openalex.org/W2031673444","https://openalex.org/W2758958237"],"abstract_inverted_index":{"Conventional":[0],"synthetic":[1,108],"aperture":[2,109],"radar":[3],"(SAR)":[4],"image":[5,15,77,114],"formation":[6,16,78],"requires":[7],"uniform":[8,44,47,62],"sampling":[9,48,66,82],"along":[10],"the":[11,23,41,55,65,73,80,104,107,125,134],"azimuth":[12,36,81],"direction.":[13],"These":[14],"relies":[17],"on":[18],"frequency":[19],"domain":[20],"algorithms":[21],"including":[22],"Range-Doppler":[24],"Algorithm":[25,28],"(RDA),":[26],"Chirp-Scaling":[27],"(CSA)":[29],"[1]":[30],"etc,":[31],"that":[32,95],"make":[33],"use":[34],"of":[35,43,75,106,139],"Fast":[37],"Fourier":[38],"Transform,":[39],"hence":[40],"requirement":[42],"sampling.":[45],"While":[46],"in":[49,89,103],"space":[50],"is":[51,68,83,99,128,136],"not":[52,84,87],"always":[53],"achievable,":[54],"samples":[56],"can":[57,115],"be":[58,117,122],"interpolated":[59],"onto":[60],"a":[61,100,129,143],"grid":[63],"given":[64],"rate":[67],"Nyquist.":[69],"This":[70,119],"paper":[71],"studies":[72],"effect":[74],"SAR":[76,126],"when":[79,124,133],"uniform,":[85],"and":[86],"Nyquist":[88],"some":[90],"interval.":[91],"The":[92],"result":[93,120],"showed":[94],"even":[96],"if":[97],"there":[98],"wide":[101],"interval":[102],"middle":[105],"with":[110],"no":[111],"samples,":[112],"an":[113],"still":[116],"formed.":[118],"could":[121],"useful":[123],"antenna":[127],"phased":[130],"array,":[131],"or":[132],"hardware":[135],"generating":[137],"bursts":[138],"pulses":[140],"followed":[141],"by":[142],"quiet":[144],"window.":[145]},"counts_by_year":[],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}
