single-coil geophone

Игры ⚽ Нужна курсовая?

Geophone — The term geophone derives from the Greek word geo meaning earth and phone meaning sound .A geophone is a device which converts ground movement (displacement) into voltage, which may be recorded at a recording station. The deviation of this… … Wikipedia
Earth exploration — Introduction the investigation of the surface of the Earth and of its interior. By the beginning of the 20th century most of the Earth s surface had been explored, at least superficially, except for the Arctic and Antarctic regions. Today the… … Universalium
Microphone — For the indie film, see Microphone (film). Microphones redirects here. For the indie band, see The Microphones. A … Wikipedia
MythBusters (2005 season) — Country of origin Australia United States No. of episodes 26 (includes 7 specials) Broadcast Original channel Discovery Channel … Wikipedia
Seismic source — This article is about artificial seismic sources. For natural seismic sources, see Earthquake, Volcano, and related articles. A seismic source generates controlled seismic energy that is used in both reflection and refraction seismic surveys. A… … Wikipedia
seismograph — seismographic /suyz meuh graf ik, suys /, seismographical, adj. /suyz meuh graf , grahf , suys /, n. any of various instruments for measuring and recording the vibrations of earthquakes. [1855 60; SEISMO + GRAPH] * * * Introduction… … Universalium

Словари и энциклопедии на Академике