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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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Применить Всего найдено 11. Отображено 11.

27-10-2010 дата публикации

Pulsed electron beam impact surface intensification method of titanium alloy material

Номер: CN0101550524B

Автор: GAO YUKUI, LU FENG, TANG ZHIHUI, WANG QIANG, SONG YINGGANG, WANG XIN, YUKUI GAO, FENG LU, ZHIHUI TANG, QIANG WANG, YINGGANG SONG, XIN WANG

Принадлежит:

The invention relates to a pulsed electron beam surface intensification method of titanium alloy material, comprising the following steps: 1 preparing workpiece: gritblasting and cleaning the workpiece; 2 hanging the workpiece: putting the workpiece into the service position of a vacuum chamber, with vacuum degree of the vacuum chamber P<6.67*10-3Pa; 3 impacting and strengthening the material surface of the material to be treated, energy density: 5-15J/cm2, pulse width: 10-30 Mums, pulse number: 15-30time; 4 opening the vacuum chamber and detecting the surface quality of the workpiece. The surface intensification method performs the surface intensification of the titanium alloy material using the pulsed electron bean impact intensification device, the residual compressive stress field is lead into the material surface layer and the sublayer, wherein the residual compressive stress field is -101.0 MPa, and the fatigue performance and the surface hardness of the titanium alloy can be increased ...

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Номер записи: 1

11-07-2023 дата публикации

Logging curve feature learning method and system based on deep neural network

Номер: CN116415625A

Автор: LI GUOJUN, SONG YINGGANG, ZHOU HONGLI, CAO XIANJUN, ZHANG JUAN, ZHOU JUN, YU CHANGJIANG, SUN PEI, LIU JIAXIONG

Принадлежит:

The invention provides a logging curve feature learning method and system based on a deep neural network, and the method comprises the steps: screening logging data, carrying out the preprocessing of the logging data, building a neural network model, carrying out the self-supervision training of the neural network model according to the preprocessed logging data, and carrying out the self-supervision training of the neural network model. And performing curve feature calculation according to the trained neural network model, and finally evaluating the curve features. According to the method, the depth correlation between the logging curves is analyzed, the features of more dimensions are obtained from a small number of logging curves, dimension raising analysis of the logging curves is achieved, and the precision of the model is improved; according to the method, the purpose of establishing the feature model for the real distribution condition of the logging data can be achieved; according ...

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Номер записи: 2

18-04-2012 дата публикации

Compound strengthening method of small hole in ultrahigh strength steel part

Номер: CN0101962706B

Автор: YUKUI GAO, FENG LU, QIANG WANG, FENG GUO, YINGGANG SONG, XIN WANG, GAO YUKUI, LU FENG, WANG QIANG, GUO FENG, SONG YINGGANG, WANG XIN

Принадлежит:

The invention relates to the improvement of a surface strengthening method of a small hole in an ultrahigh strength steel part, belonging to surface strengthening technologies. The improved surface strengthening method is characterized by respectively conducting shot peening strengthening on a hole wall and extrusion strengthening on a hole mouth. The strengthening process comprises the followingsteps of: rounding the hole mouth; shot-peening the hole wall; and extruding the hole mouth. The invention combines the advantages of high surface quality reliability and good process implementation feasibility of the shot peening strengthening and the advantages of deep strengthening layer and good strengthening effect of the hole mouth extrusion, and the fatigue resistance of the small hole in the ultrahigh strength steel part is improved.

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Номер записи: 3

14-07-2023 дата публикации

Well wall imaging super-resolution reconstruction method and system based on convolutional neural network

Номер: CN116433478A

Автор: ZHOU JUN, ZHANG GUANWEN, MA XIUGANG, SONG YINGGANG, CAO XIANJUN, BAO LIYUAN, LI GUOJUN, YU CHANGJIANG, NI LUQIAO, CHEN XIAOLEI, DUAN XIANFEI, SUN PEI

Принадлежит:

The invention discloses a well wall imaging super-resolution reconstruction method and system based on a convolutional neural network, and the method comprises the following steps: preprocessing original well wall imaging data, and obtaining a first original imaging picture; performing filtering processing on the first original imaging picture to obtain a second original imaging picture; establishing a training data set based on the second original imaging picture; obtaining a super-resolution reconstruction model based on the training data set; the super-resolution reconstruction model is evaluated; reconstructing the first original imaging picture based on the super-resolution reconstruction model to obtain a reconstructed picture; and carrying out post-processing on the reconstructed picture. According to the method, the feature information of the training data set can be learned in a targeted manner, the original imaging picture of the well wall can be reconstructed, the low-resolution ...

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Номер записи: 4

09-12-2015 дата публикации

Model rocket device of recoverable capsule time delay parachute -opening

Номер: CN0204840936U

Автор: WU AIMIN, YANG SHUAI, SONG YINGGANG, WANG CONGZHOU, XIA PENGFENG, CHEN JIAQI

Принадлежит:

The utility model discloses a model rocket device of recoverable capsule time delay parachute -opening, power and acceleration switching device fix on the recoverable capsule inner wall, the telescopic link of the miniature telescopic electro -magnet of lower extreme and upper end pushes up respectively in the upper end of recovery package and the position of keeping away from the arrow point hinged end, the binding post that acceleration switching device connected in parallel at each miniature telescopic electro -magnet is passed through to power one end, another binding post that the other end connected in parallel at each miniature telescopic electro -magnet, acceleration switching device including fix shell that the non - magnetic materials on the recoverable capsule inner wall made, be located the ball that the electrically conductive magnetic materials on the shell bottom surface made, the distance of the permanent magnet A who fixes at the shell up end between and be less than wearing ...

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Номер записи: 5

07-10-2009 дата публикации

Номер: CN103707038A

Автор: WANG QIANG, SONG YINGGANG, WU LINGFEI

Принадлежит:

The invention relates to a device for maintaining and interfering a joint. The device has a drawing gun as a power source, a fixing cap (3), a top jacket shaft (2) and a top cap (1) are designed according to size of a joint hole on a part and a mounted bushing, the fixing cap (3) jacks the outer end face of a hole of the bushing (6) of the joint, the drawing gun drives the top cap (1) through the top jacket shaft (2), and the pressing surface (12) of the top cap (1) acts on the end face of the bushing (6) so as to jack the bushing (6) out of the joint hole. Besides, the extruding end of the top cap (1) extrudes and reinforces the wall of the joint hole. Since an original interfering bushing still has support and expansion action on the joint hole, on this basis, damage on the hole wall caused by the conventional extrusion and reinforcement method is avoided by extrusion and reinforcement, so that better surface quality and using performance of the wall of the joint hole can be achieved.

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Номер записи: 11