[1]CUI Qing-gu,YANG Ling-ying,CAI Shao-ping,et al.Influence of Dynamic Characteristic of Gravimeter/Ground Tilt-meter on Their Noise Immunity[J].Journal of Seismological Research,2008,31(04):394-398.
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Journal of Seismological Research[ISSN 1000-0666/CN 53-1062/P] Volume:
31
Number of periods:
2008 04
Page number:
394-398
Column:
Public date:
2008-04-23
- Title:
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Influence of Dynamic Characteristic of Gravimeter/Ground Tilt-meter on Their Noise Immunity
- Author(s):
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CUI Qing-gu; YANG Ling-ying; CAI Shao-ping; YANG Xing; KUANG Fu-jiang
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(Earthquake Administrator of Yunnan Province,Kunming 650224,Yunnan,China)
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- Keywords:
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gravimeter; ground tilt-meter; dynamic characteristic; noise immunity
- CLC:
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P315.62
- DOI:
-
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- Abstract:
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We analyze the difference and relationship among seismometer,gravimeter and tilt-meter in construction,principal,and signal,and point out that the high-frequency segment of pass-band of gravimeter and tilt-meter is an entrance for disturbance to the observation data.Therefore,changing the dynamic response characteristics of gravimeter and tilt-meter can improve their noise immunity,which is a good way to alleviate noise in recordings.Both practical data and theory analysis show that a high-noise site for seismometer may be a good one for tilt-meter.