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EARTHQUAKE MOTION MEASUREMENT DEVICE, EARTHQUAKE MOTION MEASUREMENT SYSTEM USING THE SAME, AND INCLINATION CORRECTION METHOD OF EARTHQUAKE METER
EARTHQUAKE MOTION MEASUREMENT DEVICE, EARTHQUAKE MOTION MEASUREMENT SYSTEM USING THE SAME, AND INCLINATION CORRECTION METHOD OF EARTHQUAKE METER
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机译:地震运动测量装置,使用该装置的地震运动测量系统以及地震仪的倾角校正方法
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摘要
PROBLEM TO BE SOLVED: To provide an earthquake motion measurement device 10 to be helpful for quick and exact alarm processing.;SOLUTION: An earthquake motion measurement device 10 includes: earthquake acceleration time series acquisition means 121 for acquiring an orthogonal-three-component earthquake acceleration time series; smoothing means 122 for performing smoothing processing of the earthquake acceleration time series transmitted from the earthquake acceleration time series acquisition means to acquire smoothing time series; tilt angle determination means 125 for determining gravitational acceleration and a tilt angle from the smoothing time series transmitted from the smoothing means 122 to acquire gravitational acceleration time series and tilt angle time series; tilt angle determination means 126 for determining validity of the gravitational acceleration time series and tilt angle time series transmitted from the tilt angle determination means 125; and tilt angle correction means 128 for correcting the earthquake acceleration time series transmitted from the earthquake acceleration time series acquisition means 121 using tilt angle time series transmitted from the tilt angle determination means 125 to acquire tilt angle corrected acceleration time series.;SELECTED DRAWING: Figure 2;COPYRIGHT: (C)2019,JPO&INPIT
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