PROBLEM TO BE SOLVED: To provide a pulsation detector having improved detecting performance.SOLUTION: The pulsation detector 100 includes: a pulse wave sensor 10, a filter section 30 and a frequency analyzing section 50. The frequency analyzing section 50 includes: a first processing section 60 for executing signal processing including pulsation/noise separating processing for separating a pulsation component from a body movement component on the basis of a frequency spectrum of a filtered signal to specify a pulsation-exhibiting spectrum a second processing section 70 for executing pulsation-exhibiting spectrum-capturing processing to try to capture the pulsation-exhibiting spectrum on the basis of the frequency spectrum of the pulse wave signal, and a determining section 80 for determining whether or not the pulsation-exhibiting spectrum-capturing processing can be executed by the second processing section 70.COPYRIGHT: (C)2012,JPO&INPIT【課題】 拍動検出装置の検出性能を高めること。【解決手段】 拍動検出装置100は、脈波センサー10と、フィルター部30と、周波数解析部50と、を含み、周波数解析部50は、フィルター後信号の周波数スペクトルに基づいて、拍動成分と体動信号とを分離する拍動/ノイズ分離処理を含む信号処理を実行して拍動呈示スペクトルを特定する第1処理部60と、脈波信号の周波数スペクトルに基づいて、拍動呈示スペクトルの捕捉を試みる拍動呈示スペクトル捕捉処理を実行する第2処理部70と、第2処理部70による拍動呈示スペクトル捕捉処理の実行の可否を判断する判断部80と、を含む。【選択図】 図1
