{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,8,15]],"date-time":"2025-08-15T01:23:22Z","timestamp":1755221002981,"version":"3.43.0"},"reference-count":8,"publisher":"Springer Science and Business Media LLC","issue":"4","license":[{"start":{"date-parts":[[1999,12,1]],"date-time":"1999-12-01T00:00:00Z","timestamp":944006400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.springernature.com\/gp\/researchers\/text-and-data-mining"},{"start":{"date-parts":[[1999,12,1]],"date-time":"1999-12-01T00:00:00Z","timestamp":944006400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/www.springernature.com\/gp\/researchers\/text-and-data-mining"}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["Telecommunication Systems"],"published-print":{"date-parts":[[1999,12]]},"DOI":"10.1023\/a:1019111232260","type":"journal-article","created":{"date-parts":[[2003,2,19]],"date-time":"2003-02-19T18:30:27Z","timestamp":1045679427000},"page":"389-396","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Time\u2010varying modeling of a nonstationary signal"],"prefix":"10.1007","volume":"12","author":[{"given":"Abdullah I.","family":"Al\u2010Shoshan","sequence":"first","affiliation":[]}],"member":"297","published-online":{"date-parts":[[1999,12,1]]},"reference":[{"issue":"November","key":"329766_CR1","doi-asserted-by":"crossref","first-page":"79","DOI":"10.1016\/S0165-1684(96)00121-1","volume":"55","author":"A.I. Al-Shoshan","year":"1996","unstructured":"A.I. Al-Shoshan and L.F. Chaparro, Identification of non-minimum phase systems using the evolutionary spectral theory, Signal Processing Journal 55(November 1996) 79\u201392.","journal-title":"Signal Processing Journal"},{"issue":"4","key":"329766_CR2","doi-asserted-by":"publisher","first-page":"899","DOI":"10.1109\/TASSP.1983.1164152","volume":"31","author":"Y. Grenier","year":"1983","unstructured":"Y. Grenier, Time-dependent ARMA modeling of nonstationary signals, IEEE Transactions on ASSP 31(4) (1983) 899\u2013911.","journal-title":"IEEE Transactions on ASSP"},{"issue":"8","key":"329766_CR3","doi-asserted-by":"publisher","first-page":"672","DOI":"10.1109\/TCS.1980.1084879","volume":"27","author":"N.C. Huang","year":"1980","unstructured":"N.C. Huang and J.K. Aggarwal, On linear shift-variant digital filters, IEEE Transactions on Circuits and Systems 27(8) (1980) 672\u2013679.","journal-title":"IEEE Transactions on Circuits and Systems"},{"issue":"June","key":"329766_CR4","doi-asserted-by":"crossref","first-page":"1527","DOI":"10.1109\/78.286968","volume":"42","author":"A.S. Kayhan","year":"1994","unstructured":"A.S. Kayhan, A El-Jaroudi and L.F. Chaparro, Evolutionary periodogram for nonstationary signals, IEEE Transactions on Signal Processing 42(June 1994) 1527\u20131536.","journal-title":"IEEE Transactions on Signal Processing"},{"issue":"December","key":"329766_CR5","doi-asserted-by":"crossref","first-page":"1288","DOI":"10.1121\/1.380811","volume":"58","author":"L.A. Liporace","year":"1975","unstructured":"L.A. Liporace, Linear estimation of nonstationary signals, Journal of Acoustics Society of America 58(December 1975) 1288\u20131295.","journal-title":"Journal of Acoustics Society of America"},{"issue":"3","key":"329766_CR6","doi-asserted-by":"publisher","first-page":"226","DOI":"10.1109\/TASSP.1976.1162795","volume":"24","author":"C.T. Mullis","year":"1976","unstructured":"C.T. Mullis and R.A. Roberts, The use of second-order information in the approximation of discretetime linear systems, IEEE Transactions on ASSP 24(3) (1976) 226\u2013238.","journal-title":"IEEE Transactions on ASSP"},{"key":"329766_CR7","volume-title":"Nonlinear and Nonstationary Time Series Analysis","author":"M.B. Priestley","year":"1988","unstructured":"M.B. Priestley, Nonlinear and Nonstationary Time Series Analysis (Academic Press, New York, 1988)."},{"issue":"March","key":"329766_CR8","doi-asserted-by":"crossref","first-page":"312","DOI":"10.1111\/j.2517-6161.1970.tb00844.x","volume":"32","author":"S.T. Rao","year":"1970","unstructured":"S.T. Rao, The fitting of nonstationary time series models with time-dependent parameters, Journal of Statistical Society Ser. B 32(March 1970) 312\u2013322.","journal-title":"Journal of Statistical Society Ser. B"}],"container-title":["Telecommunication Systems"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1023\/A:1019111232260.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/article\/10.1023\/A:1019111232260\/fulltext.html","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1023\/A:1019111232260.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,8,8]],"date-time":"2025-08-08T06:27:44Z","timestamp":1754634464000},"score":1,"resource":{"primary":{"URL":"https:\/\/link.springer.com\/10.1023\/A:1019111232260"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[1999,12]]},"references-count":8,"journal-issue":{"issue":"4","published-print":{"date-parts":[[1999,12]]}},"alternative-id":["329766"],"URL":"https:\/\/doi.org\/10.1023\/a:1019111232260","relation":{},"ISSN":["1018-4864","1572-9451"],"issn-type":[{"type":"print","value":"1018-4864"},{"type":"electronic","value":"1572-9451"}],"subject":[],"published":{"date-parts":[[1999,12]]},"assertion":[{"value":"1 December 1999","order":1,"name":"first_online","label":"First Online","group":{"name":"ArticleHistory","label":"Article History"}}]}}