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Adv. Signal Process."],"published-print":{"date-parts":[[2021,12]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Most of the cost functions of adaptive filtering algorithms include the square error, which depends on the current error signal. When the additive noise is impulsive, we can expect that the square error will be very large. By contrast, the cross error, which is the correlation of the error signal and its delay, may be very small. Based on this fact, we propose a new cost function called the mean square cross error for adaptive filters, and provide the mean value and mean square performance analysis in detail. Furthermore, we present a two-stage method to estimate the closed-form solutions for the proposed method, and generalize the two-stage method to estimate the closed-form solution of the information theoretic learning methods, including least mean fourth, maximum correntropy criterion, generalized maximum correntropy criterion, and minimum kernel risk-sensitive loss. The simulations of the adaptive solutions and closed-form solution show the effectivity of the new method.<\/jats:p>","DOI":"10.1186\/s13634-021-00733-7","type":"journal-article","created":{"date-parts":[[2021,5,20]],"date-time":"2021-05-20T19:09:10Z","timestamp":1621537750000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Mean square cross error: performance analysis and applications in non-Gaussian signal processing"],"prefix":"10.1186","volume":"2021","author":[{"given":"Yunxiang","family":"Zhang","sequence":"first","affiliation":[]},{"given":"Yuyang","family":"Zhao","sequence":"additional","affiliation":[]},{"given":"Gang","family":"Wang","sequence":"additional","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9188-175X","authenticated-orcid":false,"given":"Rui","family":"Xue","sequence":"additional","affiliation":[]}],"member":"297","published-online":{"date-parts":[[2021,5,20]]},"reference":[{"issue":"11","key":"733_CR1","doi-asserted-by":"publisher","first-page":"5672","DOI":"10.1109\/TSP.2012.2210889","volume":"60","author":"X Li","year":"2012","unstructured":"X. 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