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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Форма поиска

Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 5. Отображено 5.
11-05-2011 дата публикации

Oil-gas reservoir identification method

Номер: CN0102053259A
Принадлежит:

The invention provides an oil-gas reservoir identification method. The method comprises the following steps: slow transverse wave seismic data in a plurality of places of a local area is obtained; the property of one or more slow transverse waves in the plurality of places is calculated according to the slow transverse wave seismic data; the average value of the property of the one or more slow transverse waves in the plurality of places is calculated; and the property of the one or more slow transverse waves in the plurality of places is respectively compared with the respective average value, and the area favorable for the distribution of the oil-gas reservoir is determined according to the comparison result. According to the oil-gas reservoir identification method provided by the invention, the gas and water properties are distinguished by utilizing the sensitivity characteristics of slow transverse waves to fluid viscosity, so as to improve the oil-gas prediction accuracy.

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11-05-2011 дата публикации

Method for forecasting underground crack

Номер: CN0102053266A
Принадлежит:

The invention provides a method for forecasting an underground crack, which comprises the steps of: obtaining a radial component R(t) and a transverse component T(t) of a converted shear wave; solving a moveout function delta t(t) between a transverse component S1(t) and a slow transverse component S2(t) according to the radial component R(t) and the transverse component T(t); deriving the moveout function delta t(t) between the transverse component S1(t) and the slow transverse component S2(t) to obtain a derivative function dt(t) of the moveout function; and carrying out crack development strength forecasting by using the derivative function dt(t).

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18-05-2011 дата публикации

Method for designing seismic exploration and observation system

Номер: CN0102062869A
Принадлежит:

The invention provides a method for designing a seismic exploration and observation system, which comprises the following steps of: 1) arranging a shot row and a detector to form a first arrangement sheet, exciting shotpoints in the shot row one by one, and recording seismic waves generated when the shotpoints are excited by using the detector; 2) moving the detector in the first arrangement sheet and re-arranging the shot row to form a plurality of arrangement sheets, wherein the shotpoints in the shot row are excited one by one after each arrangement sheet is formed, the detector records the seismic waves generated when the shotpoints are excited, and the next arrangement sheet is formed; and 3) taking the arrangement sheets formed in the step 1) and the step (2) as a composite template, rolling the composite template horizontally and vertically in an exploration area, and executing the steps 1) and 2) every time the composite template is rolled until the exploration area is covered.

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11-05-2011 дата публикации

Oil gas forecasting method

Номер: CN0102053264A
Принадлежит:

The invention provides an oil gas forecasting method which comprises the steps of: 1, carrying out wavelet transform on longitudinal wave signals at a plurality of points on a region to obtain a wavelet transform coefficient of each longitudinal wave signal; 2, aiming at each longitudinal wave signal, comparing the wavelet transform coefficients of the longitudinal wave signals under different scale parameters theta, determining the corresponding scale parameter theta best when the wavelet transform coefficient is maximum; 3, aiming at each longitudinal wave signal, under the determined scale parameter theta best of each longitudinal wave signal, calculating the main frequency and/or quality factor of each longitudinal wave signal, wherein the quality factor is a parameter for reflecting the shake energy loss degree of the longitudinal wave signal; and 4, forecasting the potential region of oil gas distribution according to the calculated main frequency and/or quality factors of the longitudinal ...

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06-07-2011 дата публикации

Seismic wave decomposition method

Номер: CN0102116868A
Принадлежит:

The invention relates to a seismic wave decomposition method which comprises the following steps: selecting a Gabor small wave or a Morlet small wave as a wavelet form; carrying out multiwavelet decomposition on an obtained seismic signal; calculating three parameters of the small wave, namely time shift u, center frequency Omega, phase shift Phi through the complex attribute of the seismic signal in each decomposition; calculating a time scale parameter Sigma according to the three parameters; estimating the amplitude Alpha of the small wave; and determining a final parameter through iteration and decomposing wavelets with different dominant frequencies. The seismic wave decomposition method improves the traditional matched tracking method and improves the calculation efficiency; and meanwhile, Sigma is self-adaptive and adjustable.

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