{"id":"https://openalex.org/W2117038199","doi":"https://doi.org/10.1109/tit.1964.1053673","title":"The panchromatic principle in optical filtering","display_name":"The panchromatic principle in optical filtering","publication_year":1964,"publication_date":"1964-07-01","ids":{"openalex":"https://openalex.org/W2117038199","doi":"https://doi.org/10.1109/tit.1964.1053673","mag":"2117038199"},"language":"en","primary_location":{"id":"doi:10.1109/tit.1964.1053673","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tit.1964.1053673","pdf_url":null,"source":{"id":"https://openalex.org/S4502562","display_name":"IEEE Transactions on Information Theory","issn_l":"0018-9448","issn":["0018-9448","1557-9654"],"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 Information Theory","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/A5103229504","display_name":"R. F. Williams","orcid":"https://orcid.org/0000-0002-9812-3441"},"institutions":[{"id":"https://openalex.org/I78577930","display_name":"Columbia University","ror":"https://ror.org/00hj8s172","country_code":"US","type":"education","lineage":["https://openalex.org/I78577930"]},{"id":"https://openalex.org/I1330254920","display_name":"Hudson Institute","ror":"https://ror.org/014n3ck53","country_code":"US","type":"nonprofit","lineage":["https://openalex.org/I1330254920"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"R. Williams","raw_affiliation_strings":["Hudson Laboratories of Columbia University, Dobbs Ferry, NY, USA"],"affiliations":[{"raw_affiliation_string":"Hudson Laboratories of Columbia University, Dobbs Ferry, NY, USA","institution_ids":["https://openalex.org/I1330254920","https://openalex.org/I78577930"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5103229504"],"corresponding_institution_ids":["https://openalex.org/I1330254920","https://openalex.org/I78577930"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.21081906,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"10","issue":"3","first_page":"227","last_page":"234"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10299","display_name":"Photonic and Optical Devices","score":0.9994000196456909,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic 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/T10299","display_name":"Photonic and Optical Devices","score":0.9994000196456909,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic 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/T11429","display_name":"Semiconductor Lasers and Optical Devices","score":0.9951000213623047,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic 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/T11414","display_name":"Quantum optics and atomic interactions","score":0.9947999715805054,"subfield":{"id":"https://openalex.org/subfields/3107","display_name":"Atomic and Molecular Physics, and Optics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/panchromatic-film","display_name":"Panchromatic film","score":0.6134491562843323},{"id":"https://openalex.org/keywords/lambda","display_name":"Lambda","score":0.455301970243454},{"id":"https://openalex.org/keywords/superposition-principle","display_name":"Superposition principle","score":0.4397445321083069},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.41553449630737305},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.3190772533416748},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.30584654211997986},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.1486969292163849},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.12231689691543579}],"concepts":[{"id":"https://openalex.org/C107445234","wikidata":"https://www.wikidata.org/wiki/Q280995","display_name":"Panchromatic film","level":3,"score":0.6134491562843323},{"id":"https://openalex.org/C2778113609","wikidata":"https://www.wikidata.org/wiki/Q10897","display_name":"Lambda","level":2,"score":0.455301970243454},{"id":"https://openalex.org/C27753989","wikidata":"https://www.wikidata.org/wiki/Q284885","display_name":"Superposition principle","level":2,"score":0.4397445321083069},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.41553449630737305},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.3190772533416748},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.30584654211997986},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.1486969292163849},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.12231689691543579},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/tit.1964.1053673","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tit.1964.1053673","pdf_url":null,"source":{"id":"https://openalex.org/S4502562","display_name":"IEEE Transactions on Information Theory","issn_l":"0018-9448","issn":["0018-9448","1557-9654"],"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 Information Theory","raw_type":"journal-article"},{"id":"pmh:ADA068798","is_oa":false,"landing_page_url":"http://oai.dtic.mil/oai/oai?&amp;verb=getRecord&amp;metadataPrefix=html&amp;identifier=ADA068798","pdf_url":null,"source":{"id":"https://openalex.org/S4406923043","display_name":"Defense Technical Information Center (DTIC)","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":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"DTIC AND NTIS","raw_type":"Text"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":4,"referenced_works":["https://openalex.org/W612701338","https://openalex.org/W1590583843","https://openalex.org/W1771274982","https://openalex.org/W2136942653"],"related_works":["https://openalex.org/W2935759653","https://openalex.org/W3105167352","https://openalex.org/W54078636","https://openalex.org/W2158027388","https://openalex.org/W2954470139","https://openalex.org/W2349359340","https://openalex.org/W2347211862","https://openalex.org/W4287282750","https://openalex.org/W1501425562","https://openalex.org/W2393846550"],"abstract_inverted_index":{"The":[0,34,120,142],"panchromatic":[1,121],"optical":[2,51],"correlator":[3,7,52,122,143,228],"is":[4,53,69,77,123,203],"a":[5,10,18,24,49,86,94,113,125,138,150,161,175,204,212],"coherent":[6,50],"which":[8],"uses":[9],"slightly":[11],"broadened":[12],"light":[13,71],"spectrum":[14],"to":[15,137,152,159,186,221],"correlate":[16],"simultaneously":[17],"number":[19],"of":[20,27,30,98,115,127,166,170,226],"receiver":[21],"channels":[22],"against":[23,211],"continuous":[25],"range":[26,114],"Doppler":[28,103,140,154,162],"distortions":[29,104],"the":[31,70,78,99,102,167,171,179,183,223,227],"transmitted":[32],"signal.":[33,173],"relation":[35,184],"between":[36],"spatial":[37],"frequency":[38,205],"<tex":[39,45,54,66,74,116,133,187,200,218],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[40,46,55,67,75,117,134,188,201,219],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">\\omega_{x}</tex>":[41],"and":[42,73],"aperture":[43,181],"distance":[44],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">x</tex>":[47],"in":[48,178],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">\\omega_{x}":[56,189],"=":[57,190],"-":[58,196],"2":[59],"\\pi":[60,192],"x/":[61,193],"\\lambda":[62,194],"f</tex>":[63],",":[64,198],"wherein":[65],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">\\lambda</tex>":[68,118,135],"wavelength":[72],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">f</tex>":[76],"lens":[79],"focal":[80],"length.":[81],"Since":[82],"signals":[83],"reflected":[84],"from":[85,106],"target":[87,107],"moving":[88],"with":[89,131],"uniform":[90],"radial":[91],"velocity":[92],"undergo":[93],"scale":[95],"factor":[96],"adjustment":[97],"signal":[100],"spectrum,":[101],"resulting":[105],"motion":[108],"can":[109,145],"be":[110,146],"simulated":[111],"by":[112,149],".":[119],"actually":[124],"superposition":[126],"many":[128],"monochromatic":[129],"correlators":[130],"each":[132],"corresponding":[136],"particular":[139],"distortion.":[141],"output":[144],"color":[147],"separated":[148],"prism":[151],"resolve":[153],"information,":[155],"or":[156],"left":[157],"unresolved":[158],"provide":[160],"invariant":[163],"correlation":[164,210],"regardless":[165],"invariance":[168],"properties":[169],"chosen":[172],"Inserting":[174],"diffraction":[176],"grating":[177],"proper":[180],"changes":[182],"above":[185],"-2":[191],"f":[195],"\\omega_{h}</tex>":[197],"where":[199],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">\\omega_{h}</tex>":[202,220],"shift.":[206],"This":[207],"form":[208],"permits":[209],"Doppler-distorted":[213],"signal,":[214],"heterodyned":[215],"an":[216],"amount":[217],"use":[222],"time-bandwidth":[224],"product":[225],"more":[229],"efficiently.":[230]},"counts_by_year":[],"updated_date":"2026-04-04T16:13:02.066488","created_date":"2025-10-10T00:00:00"}
