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an effective inverse Q filtering compensation

Russian translation: эффективная компенсация погрешностей обратной Q-фильтрации

GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW)
English term or phrase:an effective inverse Q filtering compensation
Russian translation:эффективная компенсация погрешностей обратной Q-фильтрации

14:30 Dec 2, 2014
    The asker opted for community grading. The question was closed on 2014-12-06 08:54:08 based on peer agreement (or, if there were too few peer comments, asker preference.)


English to Russian translations [PRO]
Tech/Engineering - Geology / Сейсморазведка
English term or phrase: an effective inverse Q filtering compensation
With an increase in a demand of seismic exploration precision, seismic data with high resolution is needed to describe in detail oil and gas reservoir, but attenuation due to geologic absorption is a major factor for affecting the resolution of the seismic data. The attenuation due to the geologic absorption mainly expresses as an amplitude attenuation, a phase distortion, and a frequency reduction (moreover, the attenuation in a high-frequency portion is faster than that in a low-frequency portion, and the attenuation in a shallow layer is faster than that in a deep layer) during propagation of a seismic wave, which seriously reduces the resolution of the seismic data. A geologic quality factor (Q factor) value is estimated accurately, and then an effective inverse Q filtering compensation is performed on a prestack or post-stack seismic record, which may make waveforms of reflection waves in shallow, medium and deep layers of seismic profile substantially consistent, the make high-frequency portion of the medium and deep layers strengthen, and make the frequency spectrum widen, so as to recovery original seismic waveform and eliminate effects of a sub-wave time varying, thereby meeting a hypothesis required for deconvolution and sub-wave estimation that the sub-wave is time-invariant. Thus, the seismic profile quality can be effectively improved so as to facilitate the processing and explanation of the seismic data.

Спасибо!
BelialDE
Ukraine
Local time: 05:52
эффективная компенсация погрешностей обратной Q-фильтрации
Explanation:
эффективная компенсация (коррекция) погрешностей обратной Q-фильтрации

В этом сочетании effective относится к compensation, а не к filtering.
Selected response from:

Tatyana Leshkevich
Local time: 10:52
Grading comment
Спасибо!
4 KudoZ points were awarded for this answer



Summary of answers provided
4поправка на эффективную обратную Q фильтрацию
Andrey Svitanko
4эффективная компенсация погрешностей обратной Q-фильтрации
Tatyana Leshkevich


  

Answers


3 hrs   confidence: Answerer confidence 4/5Answerer confidence 4/5
an effective inverse q filtering compensation
поправка на эффективную обратную Q фильтрацию


Explanation:
Золотая ссылка просто!

http://www.geoseisqc.com/?p=Capabilities&c=10&l=ru
Обратная Q фильтрация
Этот модуль выполняет точную, переменную по времени и позиции, обратную Q-фильтрацию сейсмических данных. Алгоритм этой программы основан на теоретической модели Q-фильтра, более общей, чем минимально-фазовая модель, используемая при работе с окнами.
Модуль воспроизводит текущие принятые соотношения дисперсии-затухания непрерывным способом, позволяя, таким образом, деабсорбировать точные амплитуды и фазы. Поправки за амплитуду и фазу могут применяться как отдельно, так и одновременно, для данных до или после суммирования.

Andrey Svitanko
Poland
Local time: 04:52
Works in field
Native speaker of: Native in RussianRussian
PRO pts in category: 56
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15 hrs   confidence: Answerer confidence 4/5Answerer confidence 4/5
an effective inverse q filtering compensation
эффективная компенсация погрешностей обратной Q-фильтрации


Explanation:
эффективная компенсация (коррекция) погрешностей обратной Q-фильтрации

В этом сочетании effective относится к compensation, а не к filtering.

Tatyana Leshkevich
Local time: 10:52
Works in field
Native speaker of: Native in RussianRussian
PRO pts in category: 432
Grading comment
Спасибо!
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