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We choose the improved Sprott A system as an example of the multiscroll attractor to verify the proposed approach. We compare the new recurrence measure with other traditional quantitative methods for chaotic systems investigation. It is shown that the relative specific volume possesses the best correlation with the change of attractors among all considered metrics. The proposed approach can be used to study hidden oscillations in experimental data as well. <\/jats:p>","DOI":"10.1142\/s0218127421500437","type":"journal-article","created":{"date-parts":[[2021,3,22]],"date-time":"2021-03-22T08:58:08Z","timestamp":1616403488000},"page":"2150043","source":"Crossref","is-referenced-by-count":8,"title":["Detection of Hidden Oscillations in Systems Without Equilibrium"],"prefix":"10.1142","volume":"31","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-9747-1962","authenticated-orcid":false,"given":"Aleksandra V.","family":"Tutueva","sequence":"first","affiliation":[{"name":"Department of Computer-Aided Design, Saint Petersburg Electrotechnical University \u201cLETI\u201d, 5, Professora Popova St., Saint Petersburg 197376, Russia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9860-8211","authenticated-orcid":false,"given":"Timur I.","family":"Karimov","sequence":"additional","affiliation":[{"name":"Department of Computer-Aided Design, Saint Petersburg Electrotechnical University \u201cLETI\u201d, 5, Professora Popova St., Saint Petersburg 197376, Russia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5841-2193","authenticated-orcid":false,"given":"Erivelton G.","family":"Nepomuceno","sequence":"additional","affiliation":[{"name":"Control and Modelling Group (GCOM), Department of Electrical Engineering, Federal University of S\u00e3o Jo\u00e3o del-Rei, S\u00e3o Jo\u00e3o del-Rei, MG 36307-3526, Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8941-4220","authenticated-orcid":false,"given":"Denis N.","family":"Butusov","sequence":"additional","affiliation":[{"name":"Youth Research Institute, Saint Petersburg Electrotechnical University \u201cLETI\u201d, 5, Professora Popova St., Saint Petersburg 197376, Russia"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"219","published-online":{"date-parts":[[2021,3,20]]},"reference":[{"key":"S0218127421500437BIB001","doi-asserted-by":"publisher","DOI":"10.1016\/j.physleta.2019.02.005"},{"key":"S0218127421500437BIB002","doi-asserted-by":"publisher","DOI":"10.3390\/e21040362"},{"key":"S0218127421500437BIB003","doi-asserted-by":"publisher","DOI":"10.1063\/1.5007925"},{"key":"S0218127421500437BIB004","doi-asserted-by":"publisher","DOI":"10.1142\/S0218127404009636"},{"key":"S0218127421500437BIB005","doi-asserted-by":"publisher","DOI":"10.1209\/0295-5075\/4\/9\/004"},{"key":"S0218127421500437BIB006","doi-asserted-by":"publisher","DOI":"10.1016\/0167-2789(83)90298-1"},{"key":"S0218127421500437BIB007","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevE.51.759"},{"key":"S0218127421500437BIB008","doi-asserted-by":"publisher","DOI":"10.1007\/s11071-016-2989-5"},{"key":"S0218127421500437BIB009","doi-asserted-by":"publisher","DOI":"10.1142\/S0218127419501876"},{"key":"S0218127421500437BIB010","first-page":"1650068-1","volume":"26","author":"Jeffrey M. 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