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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 12. Отображено 12.
12-03-2014 дата публикации

TD-LTE digital trunking communication system and paging method thereof

Номер: CN103634909A
Автор: GAO HONGMEI, ZHU YUMEI, HUANG YANGHUI, YAO LI
Принадлежит:

The invention provides a TD-LTE digital trunking communication system and a paging method thereof. In the method, a base station constructs a GPCCH, and sets a paging period of the GPCCH according to a call access delay requirement by group service; the base station sends a paging message to a group terminal on the GPCCH according to the paging period; the group terminal accesses the group service according to the received paging message; and when a corresponding group to the group service is closed, the base station sends a group closing notification message to the terminal group on the GPCCH according to the paging period. By construction of the new GPCCH and setting of the paging period of the GPCCH according to the call access delay requirement by the group service, the delay limitations of a conventional PCCH are overcome and the call access delay requirement by the group service is met.

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Номер записи: 1
09-02-2011 дата публикации

Method for synthesizing carbon-coated lithium iron phosphate of lithium ion battery cathode material

Номер: CN0101969118A
Автор: ZHENGHE PENG, YANGHUI HUANG, PENG ZHENGHE, HUANG YANGHUI
Принадлежит:

The invention discloses a method for synthesizing carbon-coated lithium iron phosphate (LiFePO4 coated with Cx). The method comprises the following steps of: preparing pasty, powdery or flaky precursor from homemade superfine iron phosphate (FePO4.2H2O) serving as a raw material, a lithium source and a carbon-containing compound; baking the precursor to obtain the LiFePO4 coated with Cx, wherein corresponding synthesizing methods are respectively called a paste method, a powder method and a flake method for short; baking the obtained precursor for 4 to 12 hours at the temperature of between 400 and 700 DEG C in a dynamic inert gas furnace; grinding after cooling to room temperature; and obtaining black powdery product of the LiFePO4 coated with Cx. The product obtained by the method is superfine particles and has uniform particle diameter distribution, pure structure of olivine-type crystal, high repetitiveness of different batches of products, high magnification performance and cycle performance ...

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Номер записи: 2
05-05-2023 дата публикации

Reading circuit of large-array superconducting single-photon detector

Номер: CN116067491A
Автор: ZHANG LEBAO, HU XIAOWEN, HUANG YANGHUI, WANG ZHIHAO, WANG XIMING
Принадлежит:

The invention discloses a readout circuit of a large-array superconducting single-photon detector. The readout circuit comprises an NTRON interconnection readout module, an NTRON output signal processing module, a TAC readout module and a quantization time amplitude module. The large-array SNSPD device is connected with the NTRON interconnection read-out module, and the NTRON output signal processing module processes NTRON output signals and inputs the NTRON output signals to the TAC read-out module; the TAC reading module performs time amplitude conversion on the signal output by the NTRON output signal processing module and measures a time interval; and the quantization time amplitude module quantizes the time interval measured by the TAC reading module to obtain an accurate time interval. According to the invention, based on a large-array SNSPD reading mode of TAC and NTRON, the time interval and the spatial position of the response can be read.

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Номер записи: 3
01-07-2015 дата публикации

Air interface resource control method in cluster system and base station equipment

Номер: CN104754753A
Автор: CHENG HAO, FANG WEI, WANG LIANG, HUANG YANGHUI
Принадлежит:

The invention discloses an air interface resource control method in a cluster system. The air interface resource control method comprises the following steps that a base station obtains an air interface resource guarantee proportion, which is correspondingly stored for each compartment by the cluster system, and obtains a department ID (Identity), which is stored for a user by the cluster system; when the base station carries out air interface resource scheduling, scheduling priority of the corresponding compartment is determined according to a ratio of the air interface resource utilization rate of each compartment during the last scheduling to the air interface resource guarantee proportion of the compartment; and the user of each compartment is scheduled according to the compartment scheduling priority from high to low, wherein the smaller the ratio is, the larger the scheduling priority is. By applying the method, the ratio of the used air interface resources can be controlled by compartments ...

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Номер записи: 4
18-08-2023 дата публикации

Video group calling method, device and system

Номер: CN116614785A
Автор: LIU KUI, HUANG YANGHUI, SHI RONGRONG, QIANG JIE, QIU GAOLI
Принадлежит:

The invention provides a video group calling method, device and system, and relates to the communication technology, and the specific scheme comprises the steps that a first user receives a video sent by second user equipment, the first user equipment and the second user equipment are equipment in a video group calling group, and a video group calling establishment message is sent to a server according to the video, the video group call establishment message carries video source information of a video, and the video source information is used for determining that the video group call establishment notification is not sent to the second user equipment, so that the situation that the two services of video sending and video group call are interrupted, other user equipment in a video group call group cannot perform normal monitoring, and the user experience is improved can be avoided. And the sound of the played video is mixed with the recorded sound, and the technical effect of improving the ...

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Номер записи: 5
15-12-2010 дата публикации

Synthesizing method of battery-level ultra-thin iron phosphate

Номер: CN0101913585A
Автор: ZHENGHE PENG, YANGHUI HUANG, PENG ZHENGHE, HUANG YANGHUI
Принадлежит:

The invention discloses a synthesizing method of battery-level ultra-thin iron phosphate, which comprises the steps of: taking a tervalent (divalent) iron salt and a phosphate radical source with a proper mol ratio, respectively preparing water solutions with concentrations of 0.05-2mol.L<-1>; under an environment temperature, stirring the tervalent (divalent) iron salt and the phosphate radical source in a reactor and not adding (or adding) an oxidant, regulating the pH value to be 3-6 (or 1.5-6.0) until products fully deposit; and filtering and washing a filter cake, drying and grinding to obtain grayish white (or milky white) ultra-thin iron phosphate (FePO4.2H2O) powder. The iron phosphate synthesized by adopting the method is in an amorphous state containing coordinated water, has uniform size distribution of ultra-thin particles and high reaction activity, is suitable for synthesizing a key raw material of lithium ferrous phosphate (LiFePO4) of an anode material of a power lithium ...

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Номер записи: 6
07-05-2014 дата публикации

Service establishing method and core network equipment

Номер: CN103781182A
Автор: ZHOU JIE, HUANG YANGHUI, GAO HONGMEI, CHU YALING, FAN CHEN, SHI HAIJIAN
Принадлежит:

The invention provides a service establishing method and core network equipment. The service establishing method comprises the steps (1) core network equipment receives a service establishment request message sent by terminal equipment, and the service establishment request message comprises the identification information of the terminal equipment, (2) the core network equipment determines the service type of service to be established for the terminal equipment according to the service establishment request message, (3) the core network equipment sends a service establishment response message to the terminal equipment such that the terminal equipment and a first base station which covers the terminal equipment establish the service to be established according to the service type of the service to be established, and the service establishment response message comprises the service type of the service to be established. According to the technical scheme of the invention, the core network ...

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Номер записи: 7
28-04-2023 дата публикации

Group calling method and device, equipment and storage medium

Номер: CN116033367A
Автор: LIU KUI, HUANG YANGHUI
Принадлежит:

The invention provides a group calling method and device, equipment and a storage medium, and is applied to an MCPTT client, and the method comprises the steps: obtaining a user operation generated in a first state; in response to user operation, executing a group call under a first group preset by a user; and if the user operation is finished, returning to the first state. According to the method provided by the invention, the response mode of the MCPTT client to the user operation occurring in the first state is configured to execute the group call in the preset first group, so that the user can quickly switch to the preset first group and talk, and meanwhile, the working process is convenient and fast.

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Номер записи: 8
13-06-2023 дата публикации

Excitation inrush current braking method and system for transformer protection after fault removal

Номер: CN116260106A
Автор: QI CHAOLIANG, LI MUFENG, CHEN ZHIGANG, WANG JUE, HAN JINYI, LIU SICONG, LI XIAO, ZHOU FAN, CHU YUANHAO, WANG ZHENBANG, HUANG YANGHUI
Принадлежит:

The invention discloses an excitation surge current braking method, system and device for transformer protection after fault removal, and a storage medium. The excitation surge current braking method comprises the following steps: acquiring excitation surge current duration and a primary time constant when a newly installed transformer is in no-load input; detecting whether the transformer runs with a load or not through an algorithm; acquiring a current sampling value of each sampling point on each side of the transformer after protection is started; aperiodic components in each current sampling point are filtered out through a difference algorithm, and differential current is calculated; sorting and re-assigning the results of the three-phase differential current after the inrush current judgment; calculating a second harmonic component of the three-phase current subjected to reassignment; the current after three-phase processing is compared with the effective value of the fundamental ...

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Номер записи: 9
05-08-2015 дата публикации

Method for preparing battery-grade iron phosphate from reaction between iron powder and phosphoric acid

Номер: CN104817059A
Автор: HUANG YANGHUI, LUO MINGBIAO, WAN XIAODONG, ZHOU GUOQIANG
Принадлежит:

The invention discloses a method for preparing a battery-grade iron phosphate from a reaction between iron powder and phosphoric acid. The method comprises the following steps: mixing the iron powder with dilute phosphoric acid for generating Fe(H2PO4)2 by reaction, then adding oxidizing agent therein for generating iron phosphate precipitation through oxidation; obtaining the highly pure battery-grade iron phosphate, i.e., iron phosphate dihydrate. The iron phosphate dihydrate is a nanometer flake-like crystal of metastrengite (phosphosiderite) crystal form. The method for preparing the battery-grade iron phosphate from the reaction between the iron powder and the phosphoric acid is simple in technology and convenient to operate, without other impurity ions being introduced. The filter liquor and the cleaning solution can be reused, accordingly waste material and wastewater are not generated, and the cost is low. Therefore, the method for preparing the battery-grade iron phosphate from ...

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Номер записи: 10
11-02-2015 дата публикации

Broadcast service realization method in LTE system

Номер: CN104349282A
Автор: SHI HAIJIAN, GAO HONGMEI, HUANG YANGHUI, FAN CHEN, ZHANG JINFENG, LI MINGCHUN
Принадлежит:

The application discloses a broadcast service realization method in an LTE system. The method includes the following steps: a core-network gateway (GW) receives a to-be-established broadcast group identification, broadcast data and a broadcast effective area from a core-network node; the GW copies the received broadcast data to a base station corresponding to the broadcast effective area and notifies the base station to establish a broadcast group; the base station sends an air-interface group paging message to UE in the broadcast effective area so as to instruct to establish the broadcast group and broadcast the broadcast data in the established broadcast group; and the UE, which receives the air-interface group paging message, directly monitors the broadcast data of the broadcast group after determining that the group of the paging message is a broadcast group. Through application of the method, broadcast services can be realized conveniently in the LTE system and the sending flexibility ...

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Номер записи: 11
31-12-2014 дата публикации

Business data transmission method, equipment and system

Номер: CN104254141A
Автор: YUAN JING, HUANG YANGHUI
Принадлежит:

The invention provides a business data transmission method, equipment and a system. The method comprises steps that: a counter verification message sent by an opposite communication end is received by a communication end, a counter verification response message is returned to the opposite communication end according to the counter verification message, the counter verification response message comprises a first counter of business data between the communication ends, and between the opposite communication ends, so the opposite communication end is enabled to determine whether a second counter of the opposite communication end for the business data is consistent with the first counter, connection re-establishing prompt information sent by the opposite communication end is received by the communication end, an RRC connection re-establishing request message is sent to the opposite communication end according to the connection re-establishing prompt information to re-establish RRC connection ...

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Номер записи: 12