Analysis and elimination of translation disturbance for patch effect measurement with a torsion pendulum

Analysis and elimination of translation disturbance for patch effect measurement with a torsion pendulum
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DOI：
10.1088/1361-6382/acf553
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发表时间：
2023
期刊：
Classical and Quantum Gravity
影响因子：
--
通讯作者：
Ze-Bing Zhou
Ze-Bing Zhou
中科院分区：
--
文献类型：
--
作者：
Li Ke;Chi Song;Yunsheng Zheng;Ming Hu;Pengshun Luo;Hang Yin;Ze-Bing Zhou

文献摘要

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Abstract. Patch effect on conductive surfaces is one of the critical noise sources in many scientific experiments like space gravity programs and gravitational wave detection missions. A high-precision probe-torsion instrument (PTI) has been developed on ground for measuring patch effect. However, the translation mode of the probe resulting from the environmental disturbance will inevitably affect the measurement in the concerned torsion degree of freedom. In this paper, combining the theoretical analysis as well as the confirmatory experiment, the method based on data analysis is adopted to eliminate the translation effect, finally realizing the best surface potential resolution level of 20 µV Hz-1⁄2.&xD;