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Digital signal processing for portable highly sensitive diamond quantum magnetometer
https://repo.qst.go.jp/records/81515
https://repo.qst.go.jp/records/81515ce21e2e5-ae1e-4098-b0ca-8eba734e4447
Item type | 会議発表用資料 / Presentation(1) | |||||
---|---|---|---|---|---|---|
公開日 | 2021-01-04 | |||||
タイトル | ||||||
タイトル | Digital signal processing for portable highly sensitive diamond quantum magnetometer | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_c94f | |||||
資源タイプ | conference object | |||||
アクセス権 | ||||||
アクセス権 | metadata only access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
著者 |
Masuyama, Yuta
× Masuyama, Yuta× Ohshima, Takeshi× Masuyama, Yuta× Ohshima, Takeshi |
|||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | We demonstrate an alternative method of digital signal processing with less computational resources than the Fourier transform. The method uses a digital filter that effectively becomes a sinc filter utilizing the orthogonality of trigonometric functions by multiplication of the acquired data by a trigonometric function. The computational time of the method to compute the signal from n points of data is O(n), whereas the time with Fourier transform is O(n log n). We confirm our method with a large detection volume of the ensemble NV centers. Consequently, we obtained a DC magnetic field sensitivity of 2.4 nT/√Hz. | |||||
会議概要(会議名, 開催地, 会期, 主催者等) | ||||||
内容記述タイプ | Other | |||||
内容記述 | 第4回QST国際シンポジウム | |||||
発表年月日 | ||||||
日付 | 2020-11-04 | |||||
日付タイプ | Issued |