Errata to “A Spherical Coil Array for the Calibration of Whole-Head Magnetoencephalograph Systems”

IF 5.6 2区工程技术 Q1 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Transactions on Instrumentation and Measurement Pub Date : 2024-11-12 DOI:10.1109/TIM.2024.3475788

Yoshiaki Adachi;Daisuke Oyama;Masanori Higuchi;Gen Uehara

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引用次数: 0

Abstract

In the above article [1], there is an error in (9). The correct equation is as below: \begin{equation*} \hat {\sigma }^{2}=\frac {\sum _{j=1}^{16} \Delta V_{j}^{2}}{16-6} =\frac {\sum _{j=1}^{16}\left ({{V_{\mathrm {cal}, j}-V_{\mathrm {meas}, j}}}\right )^{2}}{10}.\end{equation*} The above error resulted in the calculated values for uncertainty displayed in Fig. 5 and Table III being smaller by 18%. The figure and table reflecting the correct values are as follows:TABLE IIISensor Parameters With Uncertainties channelx(mm)y(mm)z(mm) $n_x$ $n_y$ $n_z$ g(nT/V)CH240.39±0.5820.72±0.56163.84±0.410.1028±0.00840.1757±0.00810.9791±0.00171.176±0.011CH28116.76±0.22-14.51±0.293.61±0.230.9929±0.0008-0.1178±0.00690.0157±0.00691.135±0.008CH55-10.63±0.32116.38±0.2122.02±0.440.0262±0.00780.9993±0.0003-0.0254±0.00031.065±0.008CH115-135.52±0.577.07±0.6278.59±0.60-0.2907±0.00280.3784±0.00960.8788±0.00271.137±0.016CH140-19.74±0.42-116.89±0.3226.20±0.56-0.0926±0.0094-0.9951±0.00110.0352±0.00141.038±0.009The values following the plus-minus signs (±) correspond to uncertainties with a coverage factor $k=1$ . Fig. 5.Fig. 5.

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用于校准全头脑磁图系统的球形线圈阵列 "勘误表

在上述文章[1]中，(9) 有一处错误。正确的公式如下：\开始\hat {\sigma }^{2}=\frac {\sum _{j=1}^{16}\Δ V_{j}^{2}}{16-6} =\frac {sum _{j=1}^{16}}left ({{V_{\mathrm {cal}, j}-V_{\mathrm {meas}, j}}}\right )^{2}}{10}.\end{equation*}上述误差导致图 5 和表 III 中显示的不确定度计算值小了 18%。反映正确值的图和表如下：表 II带不确定度的传感器参数 channelx(mm)y(mm)z(mm) $n_x$ $n_y$ $n_z$ g(nT/V)CH240.39±0.5820.72±0.56163.84±0.410.1028±0.00840.1757±0.00810.9791±0.00171.176±0.011CH28116.76±0.22-14.51±0.293.61±0.230.9929±0.0008-0.1178±0.00690.0157±0.00691.135±0.008CH55-10.63±0.32116.38±0.2122.02±0.440.0262±0.00780.9993±0.0003-0.0254±0.00031.065±0.008CH115-135.52±0.577.07±0.6278.59±0.60-0.2907±0.00280.3784±0.00960.8788±0.00271.137±0.016CH140-19.74±0.42-116.89±0.3226.20±0.56-0.0926±0.0094-0.9951±0.00110.0352±0.00141.038±0.009正负号（±）之后的数值对应于覆盖因子 $k=1$ 的不确定度。图 5.Fig.

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来源期刊

IEEE Transactions on Instrumentation and Measurement 工程技术-工程：电子与电气

CiteScore

9.00

自引率

23.20%

发文量

1294

审稿时长

3.9 months

期刊介绍： Papers are sought that address innovative solutions to the development and use of electrical and electronic instruments and equipment to measure, monitor and/or record physical phenomena for the purpose of advancing measurement science, methods, functionality and applications. The scope of these papers may encompass: (1) theory, methodology, and practice of measurement; (2) design, development and evaluation of instrumentation and measurement systems and components used in generating, acquiring, conditioning and processing signals; (3) analysis, representation, display, and preservation of the information obtained from a set of measurements; and (4) scientific and technical support to establishment and maintenance of technical standards in the field of Instrumentation and Measurement.