JP2019084069A5 - - Google Patents
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- JP2019084069A5 JP2019084069A5 JP2017214906A JP2017214906A JP2019084069A5 JP 2019084069 A5 JP2019084069 A5 JP 2019084069A5 JP 2017214906 A JP2017214906 A JP 2017214906A JP 2017214906 A JP2017214906 A JP 2017214906A JP 2019084069 A5 JP2019084069 A5 JP 2019084069A5
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Description
本発明の信号検出システムは、検出対象信号に定常雑音や非定常雑音が含まれている観測信号を取得する観測信号取得用の複数のセンサと、前記定常雑音を取得する雑音取得用のセンサと、前記観測信号取得用の複数のセンサでそれぞれ得た観測信号から、前記雑音取得用のセンサで得た定常雑音を除去する雑音除去手段とを備えたことを特徴とする。主要な形態の一つによれば、前記雑音除去手段による雑音除去後の信号から前記検出対象信号を分離する信号分離手段を備えたことを特徴とする。 The signal detection system of the present invention includes a plurality of sensors for acquiring an observation signal for acquiring an observation signal in which the detection target signal includes stationary noise and non-stationary noise, and a noise acquisition sensor for acquiring the stationary noise. , from the observation signals obtained plurality of the sensor for the observation signal acquisition, characterized in that a noise removing means for removing the stationary noise obtained in the sensor for the noise acquisition. According to one of the main forms, the signal separating means for separating the detection target signal from the signal after noise removal by the noise removing means is provided.
他の発明は、検出対象信号に定常雑音や非定常雑音が含まれている観測信号を取得する観測信号取得用の複数のセンサと、この観測信号取得用の複数のセンサでそれぞれ得た観測信号から前記非定常雑音を分離する信号分離手段と、前記定常雑音を取得する雑音取得用のセンサと、前記信号分離手段で分離して得た信号から、前記雑音取得用のセンサで得た定常雑音を除去する雑音除去手段と、を備えたことを特徴とする。 Another aspect of the present invention, a plurality of sensors of the observed signal acquisition for acquiring an observation signal including the stationary noise and non-stationary noise in the detection target signal, the observed signal obtained each of the plurality of the sensor of this observation signal acquisition wherein the non-stationary noise signal separating means for separating a sensor for the noise acquisition for acquiring the stationary noise, the signal from the obtained separated signal separating means, stationary noise obtained by the sensor for the noise obtained from It is characterized by being provided with a noise removing means for removing the above.
更に他の発明は、検出対象信号に非定常雑音が含まれている観測信号を取得する観測信号取得用の複数のセンサと、この観測信号取得用の複数のセンサでそれぞれ得た観測信号から前記非定常雑音を分離する信号分離手段とを備えたことを特徴とする。 Yet another invention is described above from a plurality of sensors for acquiring an observation signal for acquiring an observation signal in which the detection target signal includes unsteady noise, and an observation signal obtained by each of the plurality of sensors for acquiring the observation signal. It is characterized by being provided with a signal separating means for separating unsteady noise.
主要な形態の一つによれば、前記検出対象信号が含まれている周波数帯域の信号を取り出すＭＢＰＦ手段を含むことを特徴とする。他の形態によれば、前記検出対象信号が、乗り物を運転する運転者を含む人の脈波であることを特徴とする。更に他の形態によれば、前記雑音除去手段がＡＮＣの手法で雑音を除去し、前記信号分離手段がＢＳＳの手法で信号を分離することを特徴とする。更に他の形態によれば、前記センサを同じ種類のセンサ，例えば圧電センサとしたことを特徴とする。本発明の前記及び他の目的，特徴，利点は、以下の詳細な説明及び添付図面から明瞭になろう。 According to one of the main forms, the MBPF means for extracting a signal in the frequency band including the detection target signal is included. According to another form, the detection target signal is a pulse wave of a person including a driver who drives a vehicle. According to still another embodiment, the noise removing means removes noise by an ANC method, and the signal separating means separates signals by a BSS method. According to still another form, the sensor is of the same type, for example, a piezoelectric sensor. The above and other objects, features and advantages of the present invention will become clear from the following detailed description and accompanying drawings.
Claims (8)
前記定常雑音を取得する雑音取得用のセンサと、
前記観測信号取得用の複数のセンサでそれぞれ得た観測信号から、前記雑音取得用のセンサで得た定常雑音を除去する雑音除去手段と、
を備えたことを特徴とする信号検出システム。 Multiple sensors for acquiring observation signals that acquire observation signals that include stationary noise or non-stationary noise in the detection target signal,
A noise acquisition sensor that acquires stationary noise,
A noise removing means for removing stationary noise obtained by the noise acquisition sensor from the observation signals obtained by the plurality of observation signal acquisition sensors , respectively .
A signal detection system characterized by being equipped with.
この観測信号取得用の複数のセンサでそれぞれ得た観測信号から前記非定常雑音を分離する信号分離手段と、
前記定常雑音を取得する雑音取得用のセンサと、
前記信号分離手段で分離して得た信号から、前記雑音取得用のセンサで得た定常雑音を除去する雑音除去手段と、
を備えたことを特徴とする信号検出システム。 Multiple sensors for acquiring observation signals that acquire observation signals that include stationary noise or non-stationary noise in the detection target signal,
A signal separating means for separating the non-stationary noise from the observed signal obtained by a plurality of sensors of this observation signal acquisition,
A noise acquisition sensor that acquires stationary noise,
A noise removing means for removing stationary noise obtained by the noise acquisition sensor from the signal separated by the signal separating means, and a noise removing means.
A signal detection system characterized by being equipped with.
この観測信号取得用の複数のセンサでそれぞれ得た観測信号から前記非定常雑音を分離する信号分離手段と、
を備えたことを特徴とする信号検出システム。 Multiple sensors for acquiring observation signals that acquire observation signals whose detection target signal contains unsteady noise,
A signal separating means for separating the non-stationary noise from the observed signal obtained by a plurality of sensors of this observation signal acquisition,
A signal detection system characterized by being equipped with.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017214906A JP2019084069A (en) | 2017-11-07 | 2017-11-07 | Signal detection system |
| PCT/JP2018/039578 WO2019093132A1 (en) | 2017-11-07 | 2018-10-25 | Signal detecting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017214906A JP2019084069A (en) | 2017-11-07 | 2017-11-07 | Signal detection system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2019084069A JP2019084069A (en) | 2019-06-06 |
| JP2019084069A5 true JP2019084069A5 (en) | 2021-01-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2017214906A Pending JP2019084069A (en) | 2017-11-07 | 2017-11-07 | Signal detection system |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2019084069A (en) |
| WO (1) | WO2019093132A1 (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3661686B2 (en) * | 2002-12-19 | 2005-06-15 | 松下電器産業株式会社 | Monitoring device |
| JP2005110910A (en) * | 2003-10-07 | 2005-04-28 | Matsushita Electric Ind Co Ltd | Vibration detector and toilet seat device |
| JP2009538720A (en) * | 2006-06-01 | 2009-11-12 | ビアンカメッド リミテッド | Apparatus, system, and method for monitoring physiological signs |
| JP6015479B2 (en) * | 2013-02-08 | 2016-10-26 | トヨタ自動車株式会社 | Biological information acquisition apparatus and biological information acquisition method |
| JP6521845B2 (en) * | 2015-11-22 | 2019-05-29 | 国立大学法人埼玉大学 | Device and method for measuring periodic fluctuation linked to heart beat |
| JP6602657B2 (en) * | 2015-12-11 | 2019-11-06 | 公立大学法人首都大学東京 | Biological information acquisition apparatus, biological information acquisition program, and biological information acquisition method |
-
2017
- 2017-11-07 JP JP2017214906A patent/JP2019084069A/en active Pending
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2018
- 2018-10-25 WO PCT/JP2018/039578 patent/WO2019093132A1/en active Application Filing
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