PALABRAS DEL INGLÉS RELACIONADAS CON «GEOPHONE»
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10 LIBROS DEL INGLÉS RELACIONADOS CON «GEOPHONE»
Descubre el uso de
geophone en la siguiente selección bibliográfica. Libros relacionados con
geophone y pequeños extractos de los mismos para contextualizar su uso en la literatura.
Additional damping is obtained by connecting a shunt resistance across the coil
of the geophone; when a current flows through the coil the interaction between
the magnetic fields of the current and the permanent magnet further slows down ...
William Murray Telford, W. M. Telford, Robert E. Sheriff,
1990
2
Acquiring Better Seismic Data
Fancy recording equipment and a super computer with grand processing
programs may be to no avail if the signal from the geophone is bad. It starts with
the coupling to the earth. In soft earth we need long spikes that can reach firm
earth.
3
Fundamentals of Geophysics
After each shot the geophone layout and shot-point are moved a predetermined
distance along the profile, and the procedure is repeated. Broadly speaking,
there are two main variations of this method, depending on whether each
reflection ...
4
Seismic Reflection Processing: With Special Reference to ...
The lower part of the geophone (Fig. 2.5 a) is a pointed peg, and with this peg the
geophone is firmly fixed into the ground. The aim is to pick up the ground
vibrations accurately. It is possible to design geophones to respond to either
vertical or ...
5
Environmental and Engineering Geophysics
of a geophone include its natural (or resonant) frequency, sensitivity, d.c. coil
resistance, damping, harmonic distortion, and parasitic resonance. For high-
resolution shallow surveys, it is essential to have geophones that are designed to
detect ...
6
Introduction to Applied Geophysics
An induction geophone (Figure 293) consists of two main parts : fixed and mobile
. The fixed part of the geophone consists of its case, usually fitted with a point on
its underside, which serves to improve contact with the ground. Permanent ...
7
Intrusion Detection Systems
TERMINATION PROCESSOR Figure 9-1 Geophone sensor. induced in the wire
is sent to the signal processor. When the characteristics of this seismic energy
satisfy the alarm criteria, an alarm is initiated. Applications Geophone sensor ...
8
Instrumentation in Earthquake Seismology
2.19.1 EXPLORATION TYPE 4.5 HZ GEOPHONE This geophone (Figure 2.42)
with similar specifications is produced by several companies. It is small in size (
about 3x5 cm) and only costs about $50, since it is produced in large numbers for
...
J. Havskov, Gerardo Alguacil,
2010
9
Dictionary of Petroleum Exploration, Drilling & Production, ...
A geophone must have ~0.7 critical dampening. Spiked geophones are planted
in the ground. Some are designed for use on ice. A marsh geophone has a pole
attached to it. Geophones have plus and minus plugs and are typically connected
...
10
Encyclopaedia of Petroleum Science and Engineering
The geophone response is defined as the output voltage of the geophone,
expressed as a function of frequency, in response to ground motion for which the
velocity is a constant function of frequency. Geophone Grouping Geophones are
...
10 NOTICIAS EN LAS QUE SE INCLUYE EL TÉRMINO «GEOPHONE»
Conoce de qué se habla en los medios de comunicación nacionales e internacionales y cómo se emplea el término
geophone en el contexto de las siguientes noticias.
New Zealand, Greece and Hawaii: Earthquakes 24-30 June 2015
If you have access to a piece of technical equipment called a geophone, you can hear the sound the mountains make. In a tunnel in the solid ... «Decoded Science, Jun 15»
Classical CDs Weekly: Messiaen, The Knights, Jim Rattigan
Percussion buffs will listen out for the rarely heard geophone, a large drum filled with lead pellets which creates a satisfying earthy scrape. «The Arts Desk, May 15»
Geospace Technologies Corp Cut to "Sell" at Zacks (GEOS)
... multi-component geophones and hydrophones; seismic leader wires; geophone string and acquisition system connectors; seismic telemetry ... «The Legacy, May 15»
Geospace Technologies'(GEOS) CEO Rick Wheeler on Q2 2015 …
... as well as unusually large geophone orders that occurred in last year's first quarter. Wireless product revenues of $12.1 million in the second ... «Seeking Alpha, May 15»
Scientists on the trail of flurries of tremors near quake zones
One instrument was a high-frequency geophone that registers the faint, high-pitched noises of the tremors as the rocks underground grind ... «SFGate, May 15»
Decoding the depths of the earth
At several points in the northeast, he and his students have installed geophone sensors that detect even extremely small underground ... «Scienceline, Abr 15»
NASA's Mission to Europa May Get More Interesting Still
All approaches, though, would involve small probe that would carry one to a few small instruments such as a seismometer/geophone and one ... «The Planetary Society, Abr 15»
ESG Solutions Announces Successful HFM Deployment of its Next …
... frequency force-balance accelerometers with 2Hz and/or 4.5 Hz geophone sensors in combination with standard 15 Hz geophones, ensuring ... «PR Newswire, Mar 15»
ION Geophysical (IO) Q4 2014 Results - Earnings Call Transcript (IO)
This year-over-year decrease was primarily due to a reduction in sales of new marine positioning systems and land geophone strings ... «Seeking Alpha, Feb 15»
Cracking The Wattenberg Field
The red dots represent each geophone that was placed along the arms of the array. (Source: MicroSeismic Inc.) It's all about spacing. «E&P, Feb 15»