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Review: Inertial sensors for low-frequency seismic vibration measurement

par Collette, Christophe ;Janssens, Stefan;Fernandez-Carmona, Pablo;Artoos, Kurt;Guinchard, Michael;HAUVILLER, Claude;Preumont, André
Référence Bulletin of the Seismological Society of America, 102, 4, page (1289-1300)
Publication Publié, 2012-08

Article révisé par les pairs

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Résumé :

The objective of this paper is to review recent advances in the sensors used to measure seismic linear vibrations at low frequencies. The main types of inertial sensors are reviewed: absolute displacement sensors, geophones, accelerometers, and seismometers. The working principle of each of them is explained, along with the general strategies to extend their bandwidth. Finally, the principle fundamental limitations of all inertial sensors are reviewed: tilt-to-horizontal coupling, zerolength springs, and sources of noise.