least squares problemとは 意味・読み方・使い方

An approximate solution of the least-squares type simultaneous diagonalization problem is determined adaptively by combining a least-squares method, an exponentiation and a repetition method in each frequency bin, and a separation matrix having high signal separation performance is generated.例文帳に追加

周波数ビン毎に最小２乗法、累乗法、反復法を組み合わせて最小２乗型同時対角化問題の近似解を適応的に求め、信号分離性能の高い分離行列を生成する。 - 特許庁

To provide a blind signal separation method and device, for estimating an unknown signal source signal from an observation signal by using a solution of a least-squares type simultaneous diagonalization problem and a solution of a permutation problem utilizing correlation with an adjacent frequency bin.例文帳に追加

最小２乗型同時対角化問題の解法と隣接周波数ビンの相関を利用したパーミュテーション問題の解法を用いて観測信号から未知信号源信号を推定するブラインド信号分離方法とその装置を提供する。 - 特許庁

After short-time discrete Fourier transform of an observation signal multiplied by a window function, an inverse matrix of a spatial correlation matrix of the observation signal weighted by the way of an exponential function is determined in each block, and a plurality of blocks are used as objects for the least-squares type simultaneous diagonalization problem.例文帳に追加

窓関数を乗算した観測信号の短時間離散フーリエ変換後、指数関数的に重み付けられた観測信号の空間相関行列の逆行列をブロック毎に求め、複数のブロックを最小２乗型同時対角化問題の対象にする。 - 特許庁