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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 9. Отображено 9.
01-08-2023 дата публикации

Visual inertia SLAM method

Номер: CN116523965A
Автор: SHEN YEHU, ZHANG DAQING, WANG QICONG, ZHAO CHONG, JIANG QUANSHENG, ZHU QIXIN, NIU XUEMEI, XIE OU, YANG YONG, LU JINBIN, MIAO YANG, LI HUAN
Принадлежит:

The invention relates to a visual inertia SLAM (Simultaneous Localization and Mapping) method. The method comprises the following steps of 1, extracting and tracking feature points on an image; step 2, carrying out Delou inner triangulation on the set of the feature points, and converting the set of the feature points into a world coordinate system to obtain a triangular mesh; step 3, extracting bounded planes and performing data association; step 4, performing feature point checking and merging on the plane in the sliding window; and 5, constructing a factor graph model, introducing geometric constraints of a plane into the factor graph model, and optimizing a global pose. The method provided by the invention can be suitable for a process of extracting bounded plane parameters in a scene by using a monocular camera, and can realize boundary constraint of bounded planes and data fusion between the planes; according to the invention, a complete visual inertia SLAM system is realized, and ...

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Номер записи: 1
21-04-2022 дата публикации

DISPLAY PANEL AND FABRICATION METHOD THEREFOR

Номер: WO2022077774A1
Автор: MIAO, Yang
Принадлежит:

Disclosed by the present application are a display panel and a fabrication method therefor, comprising: a display base, the display base comprising a substrate, and a thin-film transistor device layer and light-emitting function layer that are arranged in sequence on the substrate; an encapsulation layer, which is disposed on the display base and at least covers the light-emitting function layer, the encapsulation layer comprising at least one water vapor blocking layer; and a microcrystalline film, which is disposed on the at least one water vapor blocking layer, wherein nanoparticles in a microcrystalline stacked state are provided inside of the microcrystalline film.

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Номер записи: 2
21-04-2022 дата публикации

DISPLAY PANEL AND MANUFACTURING METHOD THEREFOR

Номер: WO2022077771A1
Автор: MIAO, Yang
Принадлежит:

Disclosed are a display panel and a manufacturing method therefor. The display panel comprises: a pixel definition layer and a cathode layer, wherein the pixel definition layer is provided with a plurality of pixel openings, and the cathode layer at least continuously covers the plurality of pixel openings; a light extraction thin film, which is arranged on the cathode layer in a manner of corresponding to the plurality of pixel openings; and a conduction layer, which is arranged on the cathode layer, wherein the projection of the conduction layer on the pixel definition layer and the plurality of pixel openings are staggered with regard to each other.

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Номер записи: 3
15-08-2023 дата публикации

Robot vision loopback detection system

Номер: CN116597175A
Автор: SHEN YEHU, LI HUAN, WANG QICONG, ZHAO CHONG, JIANG QUANSHENG, ZHU QIXIN, NIU XUEMEI, XIE OU, FU GUIZHONG, LIU WEI, MIAO YANG, ZHANG DAQING
Принадлежит:

The invention relates to a robot vision loopback detection system, which comprises an input module, a variable similar sensing region module, a lightweight feature extraction module and a similarity evaluation module, and is characterized in that the input module is used for inputting an image and metadata thereof; the variable similar sensing area module comprises a variable sliding window unit used for constructing a data stream and a similarity matrix unit used for sampling the data stream and constructing a triple sample; the lightweight feature extraction module is used for constructing a basic feature extraction network and constructing a parameter sensitivity loss function by using a network weight sensitivity analysis method; performing feature extraction on the triple samples, calculating similarity between the samples, and constructing a triple loss function; optimizing network parameters based on a joint loss function composed of a parameter sensitivity loss function and a triple ...

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Номер записи: 4
25-07-2023 дата публикации

Aerogel felt and preparation method thereof

Номер: CN116477920A
Автор: HOU CUILI, MIAO YANG, GUI LIANG, MA CHAO, CHEN TINGTING, LIU WEIHAI, XU JIE, ZHANG LEI
Принадлежит:

The preparation method comprises the following steps: immersing a fiber felt into a water glass solution with the pH value of 4-6, taking out the fiber felt, gelling the fiber felt, and aging the fiber felt after gelling to obtain a first wet gel felt; washing the first wet gel felt in water, suspending the first wet gel felt in n-hexane, sealing, and replacing under heating to obtain a second wet gel felt; and placing the second wet gel felt in the modification liquid, standing, and drying to obtain the aerogel felt. According to the method, part of Na < + > is brought out through water washing, and then replacement of water and residual Na < + > in the wet gel felt is achieved by means of a single-solvent one-step replacement method; according to the method, the variety and quantity of organic solvents consumed in the preparation process of the aerogel felt are greatly reduced, the preparation cost is saved, and a gel skeleton cannot be influenced and damaged. The aerogel felt with the ...

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Номер записи: 5
01-08-2023 дата публикации

High-entropy YIG ferrite with high saturation magnetization and preparation method thereof

Номер: CN116514536A
Автор: YANG KAI, MIAO YANG, ZHANG PENGFEI, YANG ZHIHUA, YU XUEYONG, JIA DECHANG
Принадлежит:

The invention discloses a high-entropy YIG ferrite with high saturation magnetization intensity and a preparation method thereof, and the preparation method comprises the following steps: S1, weighing different oxide powders, placing the powders in a ball mill, after ball milling is finished, placing slurry in a drying box, and drying to obtain uniform powders; s2, sieving the powder dried in the step S1, and presintering in a muffle furnace; s3, putting the powder pre-sintered in the step S2 into a ball mill for secondary ball milling, and drying; s4, granulating the powder dried in the step S3, and performing compression molding to obtain a ferrite green body; and S5, sintering the ferrite green body obtained in the step S4 in a muffle furnace to obtain the high-entropy YIG ferrite. According to the high-entropy YIG ferrite with high saturation magnetization and the preparation method of the high-entropy YIG ferrite, high entropy and a garnet type ferrite structure are combined, so that ...

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Номер записи: 6
11-04-2023 дата публикации

Method for installing and adjusting collimator focal plane assembly by using laser tracker

Номер: CN115951502A
Автор: WANG DONGJIE, WANG XIAOYONG, LI BIN, CHEN JIAYI, WANG HAICHAO, DONG XIN, FAN LONGFEI, ZHANG ZHIFEI, HUO TENGFEI, YAO LIQIANG, CHEN XI, LIU JUNHANG, XU JINGWEN, JIA XIN, MIAO YANG
Принадлежит:

In order to solve the installation and adjustment problem of a coaxial collimator focal plane assembly with a vertical optical axis, the invention provides a collimator focal plane assembly installation and adjustment method using a laser tracker. Firstly, the focus position of a collimator is given by using a laser interferometer; then, erecting a laser tracker near the plane mirror and measuring, establishing a plane mirror coordinate system, leading out an optical axis of a collimator, and measuring coordinates of a common conversion point; thirdly, a laser tracker is erected near the collimator, a plane mirror coordinate system is recovered through the common conversion point, and a collimator optical axis straight line is constructed between the refraction mirror and the interferometer by measuring the normal of the refraction mirror and serves as the theoretical direction of a focal plane assembly guide rail; and finally, according to the actual measurement direction and the theoretical ...

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Номер записи: 7
04-07-2023 дата публикации

Inland waterway virtual design method based on ship-flow field coupling effect

Номер: CN116383931A
Автор: ZHANG LEI, TAN KUN, MIAO YANG, LV PIN, PEI ZHIYONG, WU WEIGUO, FENG SHAOXIONG
Принадлежит:

The invention discloses an inland waterway virtual design method based on a ship-flow field coupling effect. The inland waterway virtual design method comprises the following steps: determining ship information and flow field conditions; the ship information at least comprises a ship type and a ship position; the flow field conditions at least comprise water flow velocity, riverbed information and navigation obstructing structure information; ship hydrodynamic response calculation is carried out; and ship motion trail analysis is carried out on the ships of various ship types, and the analysis result is used for virtual design of the inland waterway. According to the method, the interaction between the ship and the flow field is fully considered in the channel design process, the ship can effectively avoid risk oblique flow and rapid flow, the kinetic energy of water flow is reasonably utilized, and therefore the safety and economical efficiency of ship navigation are improved.

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Номер записи: 8
04-07-2023 дата публикации

Preparation method of fluorite type high-entropy ceramic

Номер: CN116375470A
Автор: MIAO YANG, MENG ZIXI, REN BEI, HAO RUIXIN, LIU YUFENG, CHENG FUHAO, WANG XIAOMIN
Принадлежит:

The invention relates to the technical field of high-performance ceramics, in particular to a preparation method of fluorite type high-entropy ceramics. The fluorite type high-entropy ceramic is obtained by calcining high-entropy ceramic powder. The preparation method of the high-entropy ceramic powder comprises the following steps: dispersing transition metal salt, rare earth metal salt and a substance A into water to obtain a mixed solution; and dropwise adding a precipitator into the mixed solution until the precipitation is complete, standing, centrifuging, washing the obtained precipitate, drying, and grinding to obtain the high-entropy ceramic powder. The high-entropy ceramic precursor powder (high-entropy ceramic powder) is prepared by adopting a coprecipitation method, required experimental equipment is simple, operation is easy, large-scale production is facilitated, meanwhile, the sintering temperature of the high-entropy ceramic powder can be remarkably reduced, rapid sintering ...

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Номер записи: 9