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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.
21-07-2023 дата публикации

Pre-spraying anti-sticking waterproof construction method

Номер: CN116464103A
Автор: WANG SHUAICHAO, LIU ZHENGJIE, SONG KUNLUN, XING YUBO, WU JING, LUO YINGYING, LI BINGRU, HUANG JINXING
Принадлежит:

The invention provides a pre-spraying anti-sticking waterproof construction method. The method comprises the following steps: spraying a pre-spraying anti-sticking spraying rapid-hardening rubber asphalt waterproof coating on the surface of a base layer to be constructed; after construction is completed, natural drying is conducted; uniformly scattering fine sand on the surface of the pre-spraying anti-sticking spraying quick-setting rubber asphalt waterproof coating to form a fine sand layer; after the reinforcing steel bars are bound, a subsequent concrete structure is poured, so that the fine sand layer is naturally integrated with the concrete to become one part of the post-poured concrete, and the reinforcing steel bars are prevented from being adhered to the pre-spraying anti-adhesion spraying rapid-hardening rubber asphalt waterproof coating, so that the reinforcing steel bars are prevented from damaging the pre-spraying anti-adhesion spraying rapid-hardening rubber asphalt waterproof ...

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Номер записи: 1
04-07-2023 дата публикации

Waterproof material for shielding radiation rays and application method

Номер: CN116376443A
Автор: SONG KUNLUN, WANG SHUAICHAO, XING YUBO, LUO YINGYING, LIU ZHENGJIE
Принадлежит:

The invention provides a waterproof material capable of shielding radiation rays and an application method, the waterproof material capable of shielding radiation rays comprises a spraying rapid-hardening waterproof material and a ray shielding material, and the spraying rapid-hardening waterproof material comprises 20-90 parts by weight of high polymer modified anionic emulsified asphalt and 10-70 parts by weight of rubber latex; the ray shielding material comprises 10-80 parts by weight of ray shielding material slurry and 1-3 parts by weight of a coalescing agent; the ray shielding material slurry comprises gadolinium oxide or boron carbide. Compared with a rigid material for shielding nuclear radiation, the waterproof material for shielding the radiation rays is a flexible waterproof material, the ray shielding function is enhanced, and the protection effect on the surrounding environment and the human body in the working environment where the nuclear radiation is possibly generated ...

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Номер записи: 2
05-04-2018 дата публикации

FOLDING STOOL

Номер: WO2018058858A1
Автор: LIU, Zhengmao, ZHANG, Yuwei, SONG, Kunlun
Принадлежит:

Disclosed is a folding stool. The folding stool comprises: an outer stool frame (1), an inner stool frame (2) and a stool face (3) made of a soft material. Left and right bars of the inner stool frame (2) are located inside the outer stool frame (1), and the left and right bars of the inner stool frame (2) are respectively connected to left and right bars of the outer stool frame (1) so as to form a folding stool frame. Two ends of the stool face (3) are respectively fixed to an upper end of the outer stool frame (1) and an upper end of the inner stool frame (2). In a folding state of the folding stool, the outer stool frame (1) and the inner stool frame (2) are fitted with each other. After the outer stool frame and the inner stool frame are fitted with each other, pre-determined edge lines of the left and right bars of the stool frames and pre-determined edge lines of upper and lower bars of the stool frames are located on the same plane, the pre-determined edge line being a connecting ...

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Номер записи: 3
02-06-2023 дата публикации

Common local oscillator IQ imbalance coupling correction method and device

Номер: CN116208463A
Автор: HOU WEIBING, LIU LIU, SONG KUNLUN
Принадлежит:

According to the common local oscillator IQ imbalance coupling correction method and device provided by the invention, variables are introduced through the change of a phase shifter to construct a binary primary evaluation coefficient equation set to decouple the coupling problem of TX mirror image/direct current and ORX mirror image/direct current, so that the problem of mirror image and LO leakage in a TDD large bandwidth scene can be solved on a digital side; rX or feedback mixer devices can be saved, the performance is stable, and the reliability is high. The method is mainly applied to the field of small base stations or MIMO macro base stations or enterprise-level WIFI.

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Номер записи: 4
05-05-2023 дата публикации

Spraying quick-setting rubber asphalt waterproof coating and preparation method thereof

Номер: CN116063926A
Автор: WANG SHUAICHAO, XING YUBO, LUO YINGYING, SONG KUNLUN, LIU ZHENGJIE
Принадлежит:

The embodiment of the invention provides a spraying quick-setting rubber asphalt waterproof coating and a preparation method thereof, and the waterproof coating comprises the following components: modified anionic emulsified asphalt, latex, a defoaming agent, a stabilizer, an ultraviolet absorbent and an anti-aging agent; the modified anionic emulsified asphalt is anionic emulsified asphalt modified by nano TiO2 (titanium dioxide) and styrene-butadiene-styrene. According to the spraying quick-setting rubber asphalt waterproof coating provided by the embodiment of the invention, the nano TiO2 and the styrene-butadiene-styrene modified anionic emulsified asphalt are applied, so that the aging resistance of the asphalt is enhanced, and meanwhile, the ultraviolet absorbent and the anti-aging agent are added into the finished product, so that the aging resistance of the finished product is further improved, and the service life of the finished product is prolonged. Therefore, the problem that ...

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Номер записи: 5
30-05-2023 дата публикации

Method and device for enhancing digital pre-distortion stability

Номер: CN116185343A
Автор: HOU WEIBING, LIU LIU, SONG KUNLUN
Принадлежит:

According to the method and the device for enhancing the digital pre-distortion stability, the random lock number indication is added, the starting point and ending point range of the random lock number is controlled to be larger than the logic processing time of an LMS calculation coefficient, and the starting point of the lock number is random each time, so that the equally-spaced sampling problem is solved, and the whole service data can be covered in a long time; all input data can be completely covered theoretically for a long time when the coefficient is trained by the LMS, and the problem of coefficient instability caused by an inevitable engineering implementation method is fundamentally solved. If the method is adopted in an actual product, the logic design difficulty can be greatly reduced, convenience is brought to large-scale normalized logic link development, and advantages are brought to ASIC chip area power consumption reduction.

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Номер записи: 6
08-08-2023 дата публикации

Method and device for improving digital pre-distortion performance stability

Номер: CN116566339A
Автор: HOU WEIBING, LIU LIU, SONG KUNLUN
Принадлежит:

The invention provides a method and a device for improving digital pre-distortion performance stability, which are mainly applied to products with digital pre-distortion requirements and can optimize the performance of a digital pre-distortion model in a dynamic carrier scene. On the basis of an existing digital pre-distortion transfer function GMP model, a double alpha filtering optimization look-up table address is added, two stages of alpha filtering connected in series can enable a violently-changed signal to become smoother, the transient change characteristic of the signal is prolonged, the instantaneous large-energy charging and discharging effect of an analog device is avoided, optimization of the GMP model is achieved, and the simulation accuracy of the GMP model is improved. Therefore, the look-up tracking trend of the signal is improved, and the charging and discharging change form of the capacitor in the long-memory active power amplifier is fitted. The scheme has lower area ...

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Номер записи: 7
22-08-2023 дата публикации

Water-resistant bonding type spraying quick-setting liquid rubber waterproof composite coating as well as preparation method and application of water-resistant bonding type spraying quick-setting liquid rubber waterproof composite coating

Номер: CN116622289A
Автор: DU KENAN, LI BINGRU, LI YANYANG, LUO YINGYING, REN TAOZHE, WU JING, LI YUNLONG, WANG SHUAICHAO, WANG WEI, SONG KUNLUN, LYU FENGYING, LIU ZHENGJIE, ZHENG XUEQIN, XING YUBO, WANG YU, WANG XIHUA, LI YANWEI, CHENG LONGTAO, ZHENG TIANMIN
Принадлежит:

The invention provides a water-resistant bonding type spraying quick-setting liquid rubber waterproof composite coating and a preparation method and application thereof, and particularly relates to the technical field of chemical materials, the water-resistant bonding type spraying quick-setting liquid rubber waterproof composite coating is composed of a first coating and a second coating; wherein the first coating is prepared by mixing 30 to 60 parts by weight of modified emulsified asphalt, 30 to 60 parts by weight of polymer emulsion, 3 to 10 parts by weight of tackifying resin, 5 to 30 parts by weight of filler, 0.5 to 2.0 parts by weight of a defoaming agent and 0.5 to 3.0 parts by weight of a thickening agent; the second coating is prepared by mixing 20 to 70 parts of modified emulsified asphalt, 30 to 70 parts of latex, 10 to 50 parts of slurry, 0.5 to 2.0 parts of a defoaming agent, 0.5 to 3.0 parts of a stabilizer, 0.5 to 2.0 parts of an ultraviolet-resistant auxiliary agent, 1 ...

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Номер записи: 8
04-08-2023 дата публикации

Method and device for enhancing gain stability of digital pre-distortion loop

Номер: CN116545815A
Автор: HOU WEIBING, LIU LIU, SONG KUNLUN
Принадлежит:

The invention provides a method and a device for enhancing the gain stability of a digital pre-distortion loop, which can introduce a variable step size concept into a communication system at the minimum and simplest cost, introduce a dynamic convergence step size factor, solve the stability of the loop signal gain under different power fluctuations of the signal, and improve the stability of the loop signal gain. The stability of gain calculation and the stability of pre-distortion algorithm correction are improved. And the quality of a communication system channel is effectively improved. A finite depth variable step size convergence factor mu gear table is extracted through early-stage simulation analysis, a signal changing in real time serves as a gear lookup table address, and the theoretically optimal mu value is tracked and called when the signal changes so as to assist the stability of an LMS (Least Mean Square) algorithm. By applying the scheme, the implementation cost is extremely ...

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Номер записи: 9