wideband geophone - определение. Что такое wideband geophone
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Что (кто) такое wideband geophone - определение

DEVICE THAT CONVERTS GROUND MOVEMENT (VELOCITY) INTO VOLTAGE, WHICH MAY BE RECORDED AT A RECORDING STATION. THE DEVIATION OF THIS MEASURED VOLTAGE FROM THE BASE LINE IS CALLED THE SEISMIC RESPONSE AND IS ANALYZED FOR STRUCTURE OF THE EARTH.
Geophone (instrument)
  • Geosource Inc. MD-79—8 Hz, 335 Ω geophone
  • Geophone (SM-24), frequency band 10 Hz to 240 Hz, standard resistance 375 Ω
  • Man using a geophone
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Geophone         
A geophone is a device that converts ground movement (velocity) into voltage, which may be recorded at a recording station. The deviation of this measured voltage from the base line is called the seismic response and is analyzed for structure of the earth.
Geophone (musical instrument)         
  • Oberlin]], Ohio
MUSICAL INSTRUMENT
Geophone (percussion instrument)
The geophone is a percussion instrument, invented by the French composer Olivier Messiaen for use in his large composition for piano and orchestra entitled Des canyons aux étoiles… ("From the canyons to the stars…"). It consists of a drum filled with thousands of small lead pellets, and is played by swirling it around slowly so that the noise of the pellets resembles the sound of dry shifting earth.
Wideband         
WHEN A MESSAGE'S BANDWIDTH SIGNIFICANTLY EXCEEDS THE SYSTEM'S COHERENCE BANDWIDTH
Wide-band; Wideband communications
In communications, a system is wideband when the message bandwidth significantly exceeds the coherence bandwidth of the channel. Some communication links have such a high data rate that they are forced to use a wide bandwidth; other links may have relatively low data rates, but deliberately use a wider bandwidth than "necessary" for that data rate in order to gain other advantages; see spread spectrum.

Википедия

Geophone

A geophone is a device that converts ground movement (velocity) into voltage, which may be recorded at a recording station. The deviation of this measured voltage from the base line is called the seismic response and is analyzed for structure of the earth.