自じ己こ相そう関かん

noun

autocorrelation

Technical term in statistics and signal processing: the correlation of a signal with a delayed copy of itself.

• 自じ己こ相そう関かん関かん数すうを使つかって信しん号ごうの周しゅう期き性せいを調しらべる。

  We examine the periodicity of the signal using the autocorrelation function.