DEVICE, METHOD AND COMPUTER-READABLE RECORDING MEDIUM FOR DETECTING EARTHQUAKE IN MEMS-BASED AUXILIARY SEISMIC OBSERVATION NETWORK
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United States of America Patent
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Issued Date -
Dec 1, 2022
app pub date -
Aug 9, 2022
filing date -
Aug 9, 2022
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Provided are a device, method, and computer-readable recording medium for detecting an earthquake in a microelectromechanical system (MEMS)-based auxiliary seismic observation network. The method includes performing detrending of removing a moving average from original acceleration data received from single sensors of an MEMS-based auxiliary seismic observation network to preprocess the acceleration data, calculating a short-term average/long-term average (STA/LTA) value using a filter parameter value specified on the basis of the preprocessed acceleration data, generating an event occurrence message or event end message on the basis of the calculated STA/LTA value and transmitting the event occurrence message or event end message, when the event occurrence message is generated, calculating an earthquake probability through an earthquake detection deep learning model using the preprocessed acceleration data as an input, and analyzing noise by calculating a power spectral density (PSD) from the original acceleration data which is merged at certain intervals.
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