vibroseis

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15:41 Jan 22, 2009

English to Hungarian translations [PRO]
Science - Petroleum Eng/Sci
Additional field(s): Geology

English term or phrase: vibroseis

Definition from Wikipedia:
Vibroseis is a method used to propagate energy signals into the earth over an extended period of time as opposed to the near instantaneous energy provided by impulsive sources. The data recorded in this way must be correlated to convert the extended source signal into an impulse. The source signal using this method was originally generated by a servo-controlled hydraulic vibrator or shaker unit mounted on a mobile base unit, but electro-mechanical versions have also been developed.

Example sentence(s):

Vibroseis is a method that imparts coded seismic energy into the ground. The energy is recorded with geophones and then processed using the known (coded) input signal. The resulting time-domain representation of vibroseis data is an impulsive wavetrain with wavelet properties consistent with the coded input signal convolved with the earth's reflectivity series. Ingenta Connect
As the demand for high-density and wide-azimuth data increases, HPVA enables high-performance vibroseis crews to increase survey specifications whilst maintaining high production rates and data quality. CGG Veritas
Computer processing of the seismic signals from a vibroseis source uses the distinct characteristics of the sweep to "collapse" the energy into short duration wavelets—essentially equivalent to the seismograms that would be recorded with impulsive sources such as explosives. Carleton College

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Summary of translations provided

5 +1

vibrátoros rezgéskeltési módszer, Vibroseis módszer

Attila Magyar

Translations offered

194 days confidence:

peer agreement (net): +1

vibrátoros rezgéskeltési módszer, Vibroseis módszer

Definition from dr. Bodoky Tamás:
A Vibroseis eljárás rövid ismertetése:
A szeizmikus kutatásoknál alkalmazott hullámforrások egy kivételével úgynevezett impulzus források. Az általuk kisugárzott jel időben rövid lefutású, nagy amplitúdójú és spektruma a jel jellegének megfelelően igen széles, úgynevezett "fehér" spektrum. Az egyetlen, gyakorlatban is elterjedt nem impulzus jellegű hullámforrás a szeizmikus vibrátor. Ez időben hosszan elnyúló, kis amplitúdójú kvázi harmonikus jelet sugároz ki, amelynek spektruma korlátozott és megválasztható.

Example sentence(s):

A szeizmikus rengéskeltés vibrátoros eljárását VIBROSEIS néven Doty és Crawford vezetésével a CONOCO fejlesztő gárdája dolgozta ki és szabadalmaztatta az 1950-es évek során - A MISKOLCI EGYETEM HABILITÁCIÓS FÜZET
Vibrátoros rezgéskeltés esetén az érzékelőkhöz hasonlóan, a jel-zaj viszony javítása miatt, forrásoldali csoportokat is kialakítanak. - Scholtz Péter - Doktori értekezés

Explanation:
A két idézett dokumentum igen részletesen foglalkozik a vibrátoros rezgéskeltési módszerrel.

Attila Magyar
Hungary
Local time: 03:22
Native speaker of: Hungarian

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