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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Sample matrix inversion ： ウィキペディア英語版 Sample matrix inversion Sample matrix inversion (or direct matrix inversion) is an algorithm that estimates weights of an array (adaptive filter) by replacing the correlation matrix ''Ru'' with its estimate. Using ''K'' samples $x(k),\; k=1,2,\backslash dots,K-1$, an unbiased estimate of ''Ru'', the correlation matrix of the array signals, may be obtained by means of a simple averaging scheme: :$\backslash hat\_u\; (k)\; =\; (1/k)\; \backslash sum(x(k)\; x^H(k)).$ The expression of the theoretically optimal weights requires the inverse of ''Ru'', and the inverse of the estimates matrix is then used for finding estimated optimal weights. ==References== * * 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Sample matrix inversion」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.