{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2023,9,13]],"date-time":"2023-09-13T18:00:13Z","timestamp":1694628013170},"reference-count":2,"publisher":"Institute of Electrical and Electronics Engineers (IEEE)","issue":"1","license":[{"start":{"date-parts":[[1995,1,1]],"date-time":"1995-01-01T00:00:00Z","timestamp":788918400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/2.zoppoz.workers.dev:443\/https\/ieeexplore.ieee.org\/Xplorehelp\/downloads\/license-information\/IEEE.html"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["IEEE Trans. Signal Process."],"published-print":{"date-parts":[[1995]]},"DOI":"10.1109\/78.365322","type":"journal-article","created":{"date-parts":[[2002,8,24]],"date-time":"2002-08-24T19:31:03Z","timestamp":1030217463000},"page":"367-369","source":"Crossref","is-referenced-by-count":11,"title":["Further simple approximations to the Cramer-Rao lower bound on frequency estimates for closely-spaced sinusoids"],"prefix":"10.1109","volume":"43","author":[{"given":"D.N.","family":"Swingler","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"263","reference":[{"key":"ref2","doi-asserted-by":"crossref","first-page":"1389","DOI":"10.1002\/j.1538-7305.1976.tb02941.x","article-title":"Multiple tone parameter estimation from discrete-time observations","volume":"55","author":"rife","year":"1976","journal-title":"Bell Syst Tech J"},{"key":"ref1","doi-asserted-by":"publisher","DOI":"10.1109\/TSP.1993.193185"}],"container-title":["IEEE Transactions on Signal Processing"],"original-title":[],"link":[{"URL":"https:\/\/2.zoppoz.workers.dev:443\/http\/xplorestaging.ieee.org\/ielx4\/78\/8370\/00365322.pdf?arnumber=365322","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2021,11,29]],"date-time":"2021-11-29T20:14:57Z","timestamp":1638216897000},"score":1,"resource":{"primary":{"URL":"https:\/\/2.zoppoz.workers.dev:443\/http\/ieeexplore.ieee.org\/document\/365322\/"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[1995]]},"references-count":2,"journal-issue":{"issue":"1"},"URL":"https:\/\/2.zoppoz.workers.dev:443\/https\/doi.org\/10.1109\/78.365322","relation":{},"ISSN":["1053-587X"],"issn-type":[{"value":"1053-587X","type":"print"}],"subject":[],"published":{"date-parts":[[1995]]}}}