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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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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 8. Отображено 8.
08-07-2015 дата публикации

Three-dimensional gridding topology structure chart construction method in computing three-dimensional model processing

Номер: CN104766367A
Автор: LU TONG, QIN LONGFEI, WANG YANQING
Принадлежит:

The invention discloses a three-dimensional gridding topology structure chart construction method in computing three-dimensional model processing. According to a topology structure chart, a feature function extreme value patch is used as a starting point, during a process of adjoining feature function value minimum patch adding in an incremental mode, by extracting of geometrical shape features in a three-dimensional model, a simplicial complex initial growing sequence is computed, and then the independent loop topology of each simplicial complex in the growing sequence is computed. An extracted independent loop integrates topology features and geometrical characteristics in a constraining mode, the existing limitation on topological property using is improved, a model can be described accurately, and the complexity and the processing difficulty of a related algorithm can be simplified. Experiments show that the topology structure chart can have good effects in typical applications of three-dimensional ...

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Номер записи: 1
14-07-2023 дата публикации

High-salinity wastewater treatment device and method based on triple-effect evaporator

Номер: CN116425244A
Автор: MA YANG, QIN LONGFEI, BAO BINGYONG, SHAN XINGHUA, LIU JINWEN, LIU WEIQING, YANG XUESHENG
Принадлежит:

The invention provides a high-salinity wastewater treatment device and method based on a triple-effect evaporator, and relates to the technical field of high-salinity wastewater treatment. The high-salinity wastewater treatment device based on the triple-effect evaporator comprises an evaporation chamber, an evaporation mechanism is arranged on the inner side of the evaporation chamber, a taking mechanism is arranged at the bottom of the evaporation chamber, and a supporting mechanism is arranged on the lower middle portion of the outer wall of the evaporation chamber. High-salinity wastewater slides along an arc-shaped groove, a heating rod is heated and evaporated, a magnetic field is generated by matching with electrification of an electrifying circuit, a connecting strip drives a sliding ring and a scraping piece to move, crystallized products are scraped into a collecting box, the evaporation speed is increased, and evaporation products are conveniently scraped and collected; the right-angle ...

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Номер записи: 2
17-08-2021 дата публикации

Electronic-grade hydrofluoric acid production device

Номер: CN113262750A
Автор: QIN LONGFEI, LI JUNLIN, 秦龙飞, 李俊霖
Принадлежит:

The invention discloses an electronic-grade hydrofluoric acid production device which comprises a bottom plate, a fixing frame and a reaction furnace, a dust remover is fixedly connected to the upper portion of the reaction furnace through a pipeline, a connecting pipe is fixedly connected to the top of the dust remover, the connecting pipe is communicated with a condenser, the condenser is fixedly connected with the fixing frame, the bottom of the reaction furnace is fixedly connected with a plurality of supports annularly arranged on the outer wall of the reaction furnace, the supports are fixedly connected to the upper end face of the bottom plate, the side wall of the reaction furnace is communicated with a feeding hopper, and a filtering structure for filtering reaction raw materials is connected into the feeding hopper. A mixing structure for mixing a solid reactant and a liquid reactant is connected into the reaction furnace. The production device has the advantages that the problem ...

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Номер записи: 3
23-06-2023 дата публикации

Control method of electrochromic glasses

Номер: CN116300239A
Автор: QIN LONGFEI, ZHAO YONG
Принадлежит:

The invention relates to the field of electrochromism, and discloses a control method of electrochromism glasses, and the electrochromism glasses comprise electrochromism lenses and a glasses frame; the color changing effect of the electrochromic lens is mainly controlled by two modes: one mode is that a user controls the electrochromic lens through an active control device, and the active control device can be a wireless control system or a wired control system; according to the other mode, the electrochromic lens is controlled through a passive control device represented by an automatic light sensing system, and the optical state of the electrochromic lens can be automatically adjusted according to the brightness of light received by a light sensing unit; the two control modes of the active control device and the passive control device can be switched.

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Номер записи: 4
19-11-2014 дата публикации

Method for on-line detection of abnormal behaviors in videos based on Gaussian mixture model

Номер: CN104156979A
Автор: LU TONG, QIN LONGFEI, MA XIAOLIN
Принадлежит:

The invention discloses a method for on-line detection of abnormal behaviors in videos based on the Gaussian mixture model. The method comprises the following steps: extracting an initial image sequence from a video, and performing step 1 to step 4 on each image in the initial image sequence; step 1, synthesizing the low-resolution image of an initial image; step 2, respectively calculating light streams in both the initial image and the low-resolution image; step 3, respectively partitioning the two images into image blocks according to the respective partitioning methods of the initial image and the low-resolution image; step 4, calculating corresponding Gaussion mixture models of all image blocks in the initial image and the low-resolution image; step 5, calculating the standard Gaussion mixture model of an image block sequence; step 6, taking the next image of the initial image sequence as an image to be detected, and calculating the Gaussion mixture models of all the image blocks in ...

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Номер записи: 5
09-07-2014 дата публикации

Three-dimensional model search method based on mesh segmentation

Номер: CN103914571A
Автор: LU TONG, QIN LONGFEI, WANG HAO
Принадлежит:

The invention discloses a three-dimensional model search method based on mesh segmentation. The method comprises the following step of analyzing and constructing a segmentation field through a hierarchical spectrum, and particularly comprises the steps of judgment of concave vertexes, constructing of a Laplacian matrix, matrix decomposition, selection of low-frequency feature vectors, generation of sub feature vectors, weight calculation of the sub feature vectors, and constructing of an edge symbol matrix. Contour lines are sampled in the segmentation field and are grouped and merged through a grouping-merging algorithm to obtain a plurality of candidate contour sets, the final segmentation boundary is determined according to the weight of each contour line in the candidate contour sets, and three-dimensional models are automatically segmented. Three-dimensional model mixing feature description sub-matrixes are obtained by calculating the feature description sub-matrix of each segmentation ...

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Номер записи: 6
08-07-2015 дата публикации

Image classification method based on multi-scale global features and local features

Номер: CN104766096A
Автор: LU TONG, QIN LONGFEI, LIANG GUOZHU
Принадлежит:

The invention discloses an image classification method based on multi-scale global features and local features. According to the image classification method, text information in images is utilized, an effective marking area is extracted, color features and spatial distribution features in the marking area are calculated, the multi-scale global features are obtained through a wavelet image pyramid, and the local features are obtained through the quadtree algorithm; finally, the images are classified according to the multi-scale global features and the local features, and the classification accuracy of the method can reach 88 percent. Due to the fact that contrast experiments of text detection and recognition are conducted on the unclassified images and the classified images, it is shown that detection and recognition of the text information in the images can be effectively improved by image classification.

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Номер записи: 7
09-07-2014 дата публикации

Method for generating sculpture three-dimensional model driven by human body movements

Номер: CN103914873A
Автор: LU TONG, QIN LONGFEI, XING RUN, WANG HAO, WU YIRUI, HU WEI
Принадлежит:

The invention discloses a method for generating sculpture three-dimensional model driven by human body movements. In the method, in terms of any given virtual sculpture, the improved Kinect movement recognition technology is adopted to recognize user joint point information and capture movement parameters of joint points, the posture of the virtual sculpture is guided to be adjusted according to the relevance between the joint points and control points selected by a user to achieve innovative sculpture three-dimensional model design and is changed through a virtual sculpture editing algorithm, and real-time operation can be carried out on the virtual sculpture. In the method, different restraints of the virtual sculpture relative to a general three-dimensional model are taken into full consideration, and styles and features of a sculpture can be well kept.

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Номер записи: 8