{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,9,17]],"date-time":"2025-09-17T15:57:45Z","timestamp":1758124665168,"version":"3.40.4"},"reference-count":30,"publisher":"Institute of Electrical and Electronics Engineers (IEEE)","issue":"1","license":[{"start":{"date-parts":[[2001,1,1]],"date-time":"2001-01-01T00:00:00Z","timestamp":978307200000},"content-version":"vor","delay-in-days":0,"URL":"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":[[2001]]},"DOI":"10.1109\/78.890359","type":"journal-article","created":{"date-parts":[[2002,8,24]],"date-time":"2002-08-24T18:17:23Z","timestamp":1030213043000},"page":"179-189","source":"Crossref","is-referenced-by-count":46,"title":["Toeplitz and Hankel kernels for estimating time-varying spectra of discrete-time random processes"],"prefix":"10.1109","volume":"49","author":[{"given":"L.L.","family":"Scharf","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"B.","family":"Friedlander","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"263","reference":[{"volume-title":"The Measurement of Power Spectra from the Point of View of Communication Engineering","year":"1959","author":"Blackman","key":"ref1"},{"key":"ref2","article-title":"Time-frequency signal analysis","volume-title":"Advances in Spectrum Analysis and Array Processing","volume":"I","author":"Boashash","year":"1991"},{"key":"ref3","doi-asserted-by":"publisher","DOI":"10.1063\/1.1931206"},{"volume-title":"Time-Frequency Analysis","year":"1995","author":"Cohen","key":"ref4"},{"key":"ref5","doi-asserted-by":"publisher","DOI":"10.1109\/HOST.1997.613493"},{"key":"ref6","doi-asserted-by":"crossref","DOI":"10.1109\/ICASSP.1994.389818","article-title":"Multiple window spectrogram and time-frequency distributions","volume-title":"Proc ICASSP","author":"Frazer"},{"key":"ref7","doi-asserted-by":"publisher","DOI":"10.1063\/1.3060405"},{"key":"ref8","doi-asserted-by":"publisher","DOI":"10.1109\/79.127284"},{"key":"ref9","first-page":"1","article-title":"Quadratic estimators of the power spectrum","volume-title":"Advances in Spectrum Analysis and Array Processing","volume":"I","author":"Mullis","year":"1991"},{"key":"ref10","doi-asserted-by":"publisher","DOI":"10.1109\/78.258146"},{"key":"ref11","doi-asserted-by":"publisher","DOI":"10.1109\/ACSSC.1997.679147"},{"key":"ref12","doi-asserted-by":"publisher","DOI":"10.1109\/PROC.1982.12433"},{"article-title":"Invariant classification of time-frequency representations: Applications to doppler radar target identification","volume-title":"Proc. DSTO\/AFOSR Workshop Defense Appl. Signal Process.","author":"Williams","key":"ref13"},{"key":"ref14","doi-asserted-by":"publisher","DOI":"10.1109\/78.295203"},{"issue":"27","key":"ref15","first-page":"204","article-title":"Evolutionary spetra and nonstationary processes","author":"Priestley","journal-title":"J. R. Stat. Soc., ser 3"},{"first-page":"153","volume-title":"Nonlinear and Nonstationary Time Series Analysis","year":"1998","key":"ref16"},{"key":"ref17","doi-asserted-by":"publisher","DOI":"10.1109\/ICASSP.1982.1171454"},{"key":"ref18","doi-asserted-by":"publisher","DOI":"10.1109\/SSAP.1998.739405"},{"key":"ref19","doi-asserted-by":"publisher","DOI":"10.1109\/5.726792"},{"article-title":"Covariant estimators of time-frequency distributions for nonstationary random processes","volume-title":"Proc. 32nd Asilomar Conf. Signals, Syst., Comput.","author":"Scharf","key":"ref20"},{"key":"ref21","doi-asserted-by":"publisher","DOI":"10.1109\/78.747788"},{"key":"ref22","doi-asserted-by":"publisher","DOI":"10.1006\/dspr.1997.9999"},{"volume-title":"Temps-Frequence","year":"1993","author":"Flandrin","key":"ref23"},{"key":"ref24","doi-asserted-by":"publisher","DOI":"10.1109\/TASSP.1985.1164760"},{"key":"ref25","doi-asserted-by":"publisher","DOI":"10.1007\/BF02999442"},{"key":"ref26","doi-asserted-by":"publisher","DOI":"10.1016\/S0165-1684(98)00018-8"},{"key":"ref27","doi-asserted-by":"publisher","DOI":"10.1109\/78.678464"},{"key":"ref28","doi-asserted-by":"publisher","DOI":"10.1109\/TFSA.1996.547209"},{"key":"ref29","doi-asserted-by":"publisher","DOI":"10.1109\/TIT.1968.1054157"},{"volume-title":"Time-Frequency\/Time-Scale Analysis","year":"1998","author":"Flandrin","key":"ref30"}],"container-title":["IEEE Transactions on Signal Processing"],"original-title":[],"link":[{"URL":"http:\/\/xplorestaging.ieee.org\/ielx5\/78\/19272\/00890359.pdf?arnumber=890359","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,4,16]],"date-time":"2025-04-16T05:43:41Z","timestamp":1744782221000},"score":1,"resource":{"primary":{"URL":"http:\/\/ieeexplore.ieee.org\/document\/890359\/"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2001]]},"references-count":30,"journal-issue":{"issue":"1"},"URL":"https:\/\/doi.org\/10.1109\/78.890359","relation":{},"ISSN":["1053-587X"],"issn-type":[{"type":"print","value":"1053-587X"}],"subject":[],"published":{"date-parts":[[2001]]}}}