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  2. DataTerraRepositoryFairIncubator
  3. motsClefs
  4. _c_3bc99fc7
experimental

Entrée : Sismographe

URI: https://terra-vocabulary.org/ncl/DataTerraRepositoryFairIncubator/motsClefs/c_3bc99fc7

To avoid the strong ambient noise caused by ocean waves (microseisms), two types of seismograph have traditionally been used to record seismic signals: one for periods longer than about 10 s and the other for those shorter than 3 s. However, this kind of filtering may result in significant signal distortions and underestimation of earthquake magnitude. A broadband seismograph can record faithfully seismic signals in a frequency range of 3 decades or some 10 octaves (e.g., between 0.1 s to 100 s) or even wider, thanks to the improved linearity range of the seismometer and dynamic range of the recorder

Métadonnées principales

est un Concept | Sensor
modifié le 17 Nov 2023 08:31:48.499
soumis parElsa David
accepté le 17 Aug 2022 09:11:52.996

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date accepted 17 Aug 2022 09:11:52.996
date submitted 17 Aug 2022 08:04:10.656
definition
entity Sismographe
source graph graph

description
en Instrument that detects and records ground motions (and especially vibrations due to earthquakes) along with timing information. It consists of a seismometer, a precise timing element, and a recording device or data logger.
en To avoid the strong ambient noise caused by ocean waves (microseisms), two types of seismograph have traditionally been used to record seismic signals: one for periods longer than about 10 s and the other for those shorter than 3 s. However, this kind of filtering may result in significant signal distortions and underestimation of earthquake magnitude. A broadband seismograph can record faithfully seismic signals in a frequency range of 3 decades or some 10 octaves (e.g., between 0.1 s to 100 s) or even wider, thanks to the improved linearity range of the seismometer and dynamic range of the recorder
item class Sensor | Concept
label
fr Sismographe
en Seismograph
modified 17 Nov 2023 08:31:48.499
notation c_3bc99fc7
register mots clefs
status status experimental
submitter
account name edavid@ipgp.fr
name Elsa David

type register item
version info 6
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Définition

description
en To avoid the strong ambient noise caused by ocean waves (microseisms), two types of seismograph have traditionally been used to record seismic signals: one for periods longer than about 10 s and the other for those shorter than 3 s. However, this kind of filtering may result in significant signal distortions and underestimation of earthquake magnitude. A broadband seismograph can record faithfully seismic signals in a frequency range of 3 decades or some 10 octaves (e.g., between 0.1 s to 100 s) or even wider, thanks to the improved linearity range of the seismometer and dynamic range of the recorder
en Instrument that detects and records ground motions (and especially vibrations due to earthquakes) along with timing information. It consists of a seismometer, a precise timing element, and a recording device or data logger.
exact match c a6f7de06
in scheme Vocabulaire des mots clefs
label
fr Sismographe
en Seismograph
pref label
fr Sismographe
en Seismograph
same as c a6f7de06
source epos / GFZ
status submitted
top concept of Vocabulaire des mots clefs
type Concept | Sensor
was attributed to Pôle FormaTerre