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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 13. Отображено 13.
08-09-2010 дата публикации

Radiating device

Номер: CN0101825937A
Автор: WEICHENG NIE, HONGCHENG YANG, NIE WEICHENG, YANG HONGCHENG
Принадлежит:

The invention relates to a radiating device, which comprises a radiator and a plurality of buckling pieces, wherein the buckling pieces are arranged on the radiator; the radiator comprises a base; the base is reserved with a plurality of installing holes which respectively correspond to the plurality of buckling pieces; each buckling piece comprises a buckling rod, a sleeve barrel sleeved on the buckling rod and a fastening piece arranged on the buckling rod; one end of each buckling rod and each sleeve barrel are accommodated in the corresponding installing holes of the base; the fastening pieces are butted at the outer edges of the corresponding installing holes of the base; the diameter of one end of each buckling rod accommodated in the installing hole is greater than the inner diameter of each sleeve barrel; and the buckling rods can move to the outside of the installing holes relative to the base to extrude the sleeve barrels along the radial direction, so that the sleeve barrels ...

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Номер записи: 1
29-06-2011 дата публикации

Locking structure and manufacturing method thereof as well as heat-dissipating device adopting locking structure

Номер: CN0102111987A
Автор: WEICHENG NIE, HONGCHENG YANG, NIE WEICHENG, YANG HONGCHENG
Принадлежит:

A heat-dissipating device comprises a basal plate, a heat-absorbing plate, a pressing part connected with the heat-absorbing plate, and a locking structure for locking the pressing part on the basal plate, wherein the locking structure comprises a screw cylinder embedded in the basal plate and a screw rod penetrating the pressing part and being in screw fit with the screw cylinder; a groove is formed on the outer peripheral face of the screw cylinder; and a protruding part clamped in the groove is arranged on the basal plate, so as to be in close fit with the screw cylinder. Compared with the prior art, the heat-dissipating device provided by the invention overcomes the shortcomings of possible screw loose or fall off of the screw cylinder arranged in the basal plate in a penetrating manner, so that the firm fit between the screw cylinder and the basal plate is guaranteed, and the stable operation of the heat-dissipating device is further ensured.

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Номер записи: 2
21-04-2023 дата публикации

Color image compression method and device giving consideration to image noise reduction and electronic equipment

Номер: CN115996291A
Автор: NIE WEICHENG, WANG BIN, CHENG YIN, JI BEICHEN, ZHOU KANG, XIONG AORAN, FANG HAODONG
Принадлежит:

The invention discloses a color image compression method and device giving consideration to image noise reduction and electronic equipment, and belongs to the field of image compression.The method comprises the steps that a target image is segmented and divided under a YUV model to obtain edge pixel points and flat area pixel points of a plurality of image blocks, feature calibration is carried out on edge pixel points and flat area pixel points, and differential coding of different channels and different feature pixel values is realized in combination with modes of second-order residual prediction, data truncation, sampling and the like. According to the method, the color image compression rate is greatly improved, image edge information is well reserved, noise suppression is realized, the design difficulty of a compression module in hardware is reduced, and the hardware operation speed is improved. Therefore, the problems that an image compression algorithm cannot guarantee the noise ...

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Номер записи: 3
20-10-2010 дата публикации

Heat radiation device

Номер: CN0101866888A
Автор: WEICHENG NIE, HONGCHENG YANG, NIE WEICHENG, YANG HONGCHENG
Принадлежит:

The invention relates to a heat radiation device, which is used for heat radiation on an electronic element arranged on a circuit board. The heat radiation device comprises a fan, a heat radiator and a fan fixing frame, wherein the heat radiator is pasted and arranged on the electronic element, the fan fixing frame fixes the fan to the top of the heat radiator, a positioning part is respectively arranged on the heat radiator and the fan, the fan fixing frame comprises a body, the body is arranged on the periphery of the heat radiator in a winding mode, the body comprises two free ends which are clamped and buckled with each other, the upper side and the lower side of the body are respectively provided with a clamping part for clamping the positioning parts of the heat radiator and the fantogether. Both the fixation and the dismounting of the fan fixing frame of the invention are simple and convenient.

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Номер записи: 4
08-12-2010 дата публикации

Radiating device and manufacture method thereof

Номер: CN0101909417A
Автор: HONGCHENG YANG, WEICHENG NIE, CHENG KONG, YANG HONGCHENG, NIE WEICHENG, KONG CHENG
Принадлежит:

The invention provides a radiating device, which is used for radiating heat for electric elements arranged on a circuit board. The device comprises a radiator, a substrate for adhering to the electric elements and a heat pipe which is in heat conducting connection with the substrate and the radiator, as well as at least one buckle which comprises a compressing part crossing the heat pipe, wherein two ends of the compressing part form a lock part respectively; two slots passing through the substrate are formed on the substrate corresponding to the lock parts; and the tail ends of the lock parts are bent to be buckled with the substrate after the lock parts pass through the slots, so that the heat pipe is fixed on the substrate. Compared with the prior art, the buckles of the radiating device is compressed on the heat pipe through the compressing part, and the tail ends of the lock parts are bent to be buckled with the substrate to achieve the effect of fixing the heat pipe on the substrate ...

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Номер записи: 5
24-11-2010 дата публикации

Radiating device

Номер: CN0101896054A
Автор: WEICHENG NIE, HONGCHENG YANG, LEI CAO, NIE WEICHENG, YANG HONGCHENG, CAO LEI
Принадлежит:

The invention relates to a radiating device which is used for radiating heat to a heating electronic component installed on a circuit board. The radiating device comprises a radiator and a centrifugal fan, wherein the radiator comprises a bottom plate and a plurality of radiating fins formed on the bottom plate; the centrifugal fan comprises a fan frame and fan blades installed on the fan frame; the fan frame covers on the bottom plate of the radiator; the fan frame and the bottom plate together form a chamber for air to flow; the fan frame is provided with an air inlet; and the radiating fins of the radiator form a plurality of air channels corresponding to an air outlet of the centrifugal fan. In the invention, because the fan frame and the bottom plate of the radiator together form the chamber for air to flow, compared with the traditional centrifugal fan, a cover plate combined with the fan frame is omitted, thereby reducing the manufacturing cost.

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Номер записи: 6
18-07-2023 дата публикации

Method for eliminating JPEG (Joint Photographic Experts Group) image block artifacts

Номер: CN116452465A
Автор: NIE WEICHENG, WANG BIN, ZHANG YONGSHENG, ZHOU KANG, CHENG YIN, LI ZHUOLIN
Принадлежит:

The invention discloses a method for eliminating artifacts of a JPEG image block, and the method comprises the steps: carrying out the subdivision of a JPEG target image in a YUV format according to the size of a preset pixel matrix, and obtaining a plurality of pixel blocks; processing the Y channel and the U and V channels of each pixel block: in the Y channel of a target pixel block, determining pixel points needing to be filtered in related adjacent edges of all four-connected neighborhoods of the target pixel block through adjacent edge pair feature judgment; through feature judgment based on pixel density and filtering direction, selecting a local filtering core to carry out adaptive filtering processing on a pixel point pair needing filtering processing; adjacent side pixel gray value fusion based on mean value processing is carried out on U and V channels of the target pixel block; and finally, converting the image from the YUV model to the RGB model. According to the method, the ...

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Номер записи: 7
28-04-2023 дата публикации

Image wide dynamic method compatible with 3D noise reduction

Номер: CN116033274A
Автор: JI BEICHEN, WANG BIN, CHENG YIN, NIE WEICHENG, ZHOU KANG, CHENG CHEN
Принадлежит:

The invention discloses an image wide dynamic method compatible with 3D noise reduction, which aims at wide dynamic and 3D noise reduction requirements of an image and real-time display requirements, considers information redundancy of wide dynamic multi-frame fusion, adopts a general thought of combining long and short frame interval exposure and a fusion algorithm, and comprises the following steps: firstly, acquiring an image through a long and short frame interval exposure strategy; mapping the acquired image to have the same brightness as that of the previous frame; motion estimation and image fusion are carried out on the image after brightness adjustment according to the image and the previous frame after fusion; in each fusion process, if the current frame is a long exposure frame, abandoning an over-bright area in the frame of image, and endowing the over-dark area with a weight higher than that of other areas; if the current frame is a short exposure frame, abandoning an over-dark ...

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Номер записи: 8
30-06-2023 дата публикации

Self-adaptive NLM noise reduction method

Номер: CN116363018A
Автор: JI BEICHEN, WANG BIN, ZHOU KANG, CHENG YIN, ZHANG YONGSHENG, WANG ZHONGJIE, XIONG AORAN, NIE WEICHENG
Принадлежит:

The invention discloses a self-adaptive NLM noise reduction method, which comprises the following steps: 1) for each pixel point in a Bayer format image, calculating a local gradient of a pixel block which takes the pixel point as a center and is used for determining a detail level of each pixel point; 2) adaptively selecting a block matching mode according to the detail level of each pixel point; in the matching mode, searching and matching are carried out by taking an image block as a unit; 3) taking a 2 * 2 pixel block as a unit, calculating a pixel difference value between the units according to the displacement vector, and calculating according to a difference value image by an integral image method to obtain a corresponding integral image; 4) determining a target block and a search area on the basis of the determined matching mode, and calculating the distance between the target block and a matching block according to the integral image in the search matching process, so as to determine ...

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Номер записи: 9
13-10-2010 дата публикации

Heat radiating device

Номер: CN0101861083A
Автор: WEICHENG NIE, HONGCHENG YANG, NIE WEICHENG, YANG HONGCHENG
Принадлежит:

A heat radiating device is used for radiating the heat of electronic elements on a circuit board and comprises a fan, a radiator stuck to the electronic elements and a fan holder fixing the fan on the radiator, wherein the fan holder comprises brackets separated from each other; and each bracket comprises a mounting portion matched with the radiator and a clamp hook stuck on the fan. The heat radiating device is fixed and dismounted simply, conveniently and fast.

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Номер записи: 10
01-05-2018 дата публикации

Automatic real time printing labeller suitable for full -automatic packagine machine that decocts medicinal herbs

Номер: CN0207292703U
Автор: QIAO MENG, ZHAO JING, HU ZONGZHI, YANG HAOLIN, NIE WEICHENG, GONG BO, WANG XU
Принадлежит: UNIV TIANJIN TRADITIONAL CHINESE MEDICINE, TIANJIN UNIVERSITY OF TRADITIONAL CHINESE MEDICINE

The utility model discloses an automatic real time printing labeller suitable for full -automatic packagine machine that decocts medicinal herbs, including the machine of decocting medicinal herbs, the output of the machine of decocting medicinal herbs is equipped with the conveying power drive device A who has the inclined plane, one side of conveying power drive device A is equipped with the labeller, and the opposite side is equipped with and is less than the conveying power drive device B who conveys power drive device A, the labeller pastes mark device, automatic stripping off device andman -machine interface by wireless information transfer device, thermal printer, automatic rising and constitutes, both ends are equipped with the connection respectively around the labeller conveyingpower drive device A and conveying power drive device B's inclined plane conveyer, the punishment of inclined plane conveyer position do not is equipped with the cylinder that is used for propellingmovement ...

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Номер записи: 11
18-04-2023 дата публикации

Color image high-dynamic imaging method based on single-frame exposure

Номер: CN115988330A
Автор: LUO YIZHUO, NIE WEICHENG, WANG BIN, CHENG YIN, ZHOU KANG, YANG YUANHAO
Принадлежит:

The invention discloses a color image high-dynamic imaging method based on single-frame exposure, which comprises the following steps: firstly, converting a color image into a YUV image, adjusting the overall initial exposure of the image through a Y channel, then judging whether the frame of image is in a special illumination environment or a normal illumination environment according to the Y channel weight relationship of the YUV, and if yes, judging whether the frame of image is in the special illumination environment or the normal illumination environment. Different mapping function sets are used in different environments, so that an environment mapping result is obtained, the environment mapping result and an original Y channel are subjected to weight calculation to obtain a fused Y channel result, and a YUV image at the moment is converted into a color image to obtain a final high-dynamic image. When the image is processed, on the premise that only single-frame exposure is used, a ...

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Номер записи: 12
13-10-2010 дата публикации

Heat radiating device

Номер: CN0101861079A
Автор: JUNJI CHEN, CHENG KONG, WEICHENG NIE, HONGCHENG YANG, CHEN JUNJI, KONG CHENG, NIE WEICHENG, YANG HONGCHENG
Принадлежит:

A heat radiating device is used for radiating the heat of electronic elements arranged on a circuit board and comprises a radiator, a substrate stuck to the electronic elements and a heat tube connected with the substrate and the radiator in a heat-conducting manner. The heat radiating device also comprises a buckle, wherein the buckle comprises a body part spanning the heat tube; one end of the body part forms a pivoting part and the other end thereof forms a clamping and holding part; the pivoting part is pivoted on the substrate; and the clamping and holding part can be connected to the substrate in a detachable manner to fix the heat tube on the substrate. Compared with the prior art, the buckle of the heat radiating device is connected to the substrate by the pivoting part, the body part of the buckle pushes against the heat tube and the clamping and holding part can be connected to the substrate in a detachable manner, thus ensuring convenient mounting and dismounting between and ...

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Номер записи: 13