ZHI Shu ming, LI Zhan lu. COMPARATIVE ANALYSIS TO DIGITAL AND ANALOGUE DATA OF CRUSTAL DEFORMATION IN YIXIAN SEISMOSTATION[J]. North China Earthquake Sciences, 2003, 21(4): 42-45.
Citation: ZHI Shu ming, LI Zhan lu. COMPARATIVE ANALYSIS TO DIGITAL AND ANALOGUE DATA OF CRUSTAL DEFORMATION IN YIXIAN SEISMOSTATION[J]. North China Earthquake Sciences, 2003, 21(4): 42-45.
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COMPARATIVE ANALYSIS TO DIGITAL AND ANALOGUE DATA OF CRUSTAL DEFORMATION IN YIXIAN SEISMOSTATION

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  • the digital and analogue data of water tube tiltmeter and tensometer are processed with related software. The noise level, tidal factor, error and inner precision are calculated. Though comparison we find digital data is better than analogue data in noise level and inner precision.
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