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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 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 7. Отображено 7.
09-11-2017 дата публикации

FLUX AND CASTING METHOD USING SAME

Номер: KR1020170123887A
Автор: PARK, HYUN SEO, SEO, SUNG MO, MUN, HO JUNG, PARK, JOONG KIL, KIM, SUNG KWANG, RYU, HONG GU, CHOI, SUNG MIN
Принадлежит:

The present invention relates to a flux supplied to an upper portion of ingot steel in a tundish, and a casting method using the same. The flux contains 45-60 wt% of SiO_2 based on a total 100 wt% of flux; a first composite including 20-40 wt% of MgO; and a second composite including a component to control a melting point and viscosity of the flux and the re-oxidation of the ingot steel. The flux is able to totally be displaced with SiO_2-based and Al_2O_3-based flux conventionally used in accordance with a tundish operation environment, or is able to be used by being partially mixed with the SiO_2-based and Al_2O_3-based flux. That is, the flux is able to increase heat conservation of the ingot steel; suppress re-oxidation of the ingot steel; easily absorb inclusions; and minimize melting of refractory materials by providing flux which includes SiO_2 and MgO as a basic composition. As such, the flux is able to increase a quality of a manufactured steel product by easily processing ingot ...

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Номер записи: 1
08-02-2017 дата публикации

METHOD AND APPARATUS FOR CONTROLLING TRANSMISSION POWER OF BASE STATION

Номер: KR1020170014189A
Автор: PARK, HYEON SU, LEE, BYOUNG JUN, YOU, HONG GOO
Принадлежит:

The present invention relates to a method and an apparatus for controlling transmission power of a base station. According to the present invention, in a method of allocating power to a terminal in a base station interlocking with a plurality of terminals, the method comprises the following steps: receiving, form the plurality of terminals, information including a reception sensitivity with respect to a second transmission power lower than a first transmission power which is the maximum available transmission power of the base station; using the reception sensitivity to recognize a cell-edge terminal with respect to each of the plurality of terminals; and changing a first modulation mode into a second modulation mode robust to noise and interference with respect to only the recognized cell-edge terminal, and allocating the power equivalent to the difference between the first transmission power and the second transmission power. COPYRIGHT KIPO 2017 (AA) Start (BB) When a terminal is not ...

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Номер записи: 2
02-02-2018 дата публикации

플럭스 및 이를 이용한 주조 방법

Номер: KR0101825132B1
Автор: 박현서, 서성모, 문호정, 박중길, 김성광, 유홍구, 최성민
Принадлежит: 주식회사 포스코

... 본 발명은 턴디쉬 내 용강 상부에 공급되는 플럭스 및 이를 이용한 주조방법에 관한 것으로, 플럭스 100중량%에 대하여 SiO2를 45 내지 60 중량%, MgO를 20 내지 40 중량% 포함하는 제1 조성물 및 용강의 재산화와 플럭스의 융점 및 점성을 조절하는 성분을 포함하는 제2 조성물을 포함하는 플럭스를 이용하여, 턴디쉬 조업환경에 따라 기존에 사용되던 SiO2계 및 Al2O3계 플럭스를 전량 대체하거나 일부 혼용 사용할 수 있다. 즉, SiO2 및 MgO를 기본조성으로 갖는 플럭스를 제공함으로써, 용강의 보온력 증가, 용강 재산화 억제, 개재물 용이 흡수 및 내화물 용손을 최소화할 수 있다. 이에, 턴디쉬에서의 용강의 처리가 용이하여, 제작되는 강 제품의 품질을 증가시킬 수 있다. 또한, 조업환경에 따라서 SiO2계 및 Al2O3계 플럭스와 함께 사용함으로써, 다양한 형태의 플럭스의 구성이 가능하여, 다양한 강종의 처리에 대응하여 턴디쉬 플럭스를 제공할 수 있다. 따라서, 주조 조업의 용이성이 증가하여 조업의 생산성 및 효율성을 증가시킬 수 있다.

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Номер записи: 3
08-06-2017 дата публикации

JOINT RECEPTION ACTIVATION METHOD OF SERVING CELL BASE STATION, APPLICATION AND SERVING CELL BASE STATION

Номер: KR1020170063175A
Автор: PARK, JI HOON, LEE, BYOUNG JUN, YOU, HONG GOO
Принадлежит:

According to an embodiment, disclosed are a serving cell base station, a joint reception (JR) activation method thereof, and an application. The serving cell base station according to an embodiment receives a serving cell uplink signal from a terminal, and receives a neighboring cell uplink signal from a neighboring cell. The serving cell base station according to an embodiment determines whether to activate joint reception for the serving cell uplink signal and the neighboring cell uplink signal, based on a distance between a serving cell and a neighboring cell. So, it is possible to determine whether to activate joint reception by using the distance. COPYRIGHT KIPO 2017 (101) Serving cell (102) Neighboring cell (103) Terminal (104) Serving cell RRH (105) Neighboring cell RRH (106) Digital unit ...

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Номер записи: 4
01-11-2016 дата публикации

METHOD FOR MEASURING POSITION OF TERMINAL, BASE STATION PERFORMING SAME, AND POSITION MEASUREMENT CENTER

Номер: KR1020160125643A
Автор: PARK, JI HOON, LEE, BYOUNG JUN, YOU, HONG GOO
Принадлежит:

The present invention relates to a method for measuring a position of a terminal, a base station performing the same, and a position measurement center. According to an embodiment of the present invention, the base station receives a position measurement request including a remote radio head (RRH) request field from the position measurement center, and determines the RRH adjacent to an object terminal based on a measurement report corresponding to the position measurement request so as to transmit the position measurement request including an RRH request field about the identification number of the RRH to the position measurement center. COPYRIGHT KIPO 2016 ...

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Номер записи: 5
06-07-2016 дата публикации

METHOD FOR SETTING CONNECTION BETWEEN TERMINAL AND BASE STATION IN COMMUNICATION SYSTEM SUPPORTING CARRIER AGGREGATION

Номер: KR1020160079241A
Автор: YOU, HONG GOO, KIM, JEONG HWAN, LEE, BYOUNG JUN, KIM, DONG KYOUNG
Принадлежит:

Disclosed is a connection setting method which includes a step of setting the RRC connection of a base station, a step of receiving an RRC connection resetting message from the base station, wherein the RRC connection resetting message indicates that a predetermined blind SCell is added to a terminal when the blind SCell is preset in the base station, and a step of adding connection with the blind SCell without measurement for the blind SCell according to the reception of the RRC connection resetting message. So, efficiency in a process of configuring a carrier aggregation cell can be improved. COPYRIGHT KIPO 2016 (AA) Blind S Cell (S210) Request RRC connection (S220) Set RRC connection (S230) Finish RRC connection (S240) Reset RRC connection (S250) Complete the reset of the RRC connection (S260) Measurement control ...

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Номер записи: 6
02-02-2017 дата публикации

METHOD AND APPARATUS FOR CONTROLLING TRANSMISSION POWER OF BASE STATION

Номер: KR1020170011486A
Автор: PARK, JI HOON, LEE, BYOUNG JUN, YOU, HONG GOO
Принадлежит:

The present invention relates to a method and an apparatus for controlling transmission power of a base station. More specifically, the present invention relates to a method for controlling transmission power to a terminal from a base station interworking with a plurality of terminals. The method comprises the steps of: collecting downlink receiving sensitivity of the terminals; identifying a pre-defined group corresponding to the downlink receiving sensitivity; and determining a transmission power control state based on an accessed terminal rate for each identified terminal. A modulation method applied to each identified group can be different. Therefore, communication quality can be secured by performing data communication by providing increased power to a terminal located at a cell boundary and a terminal applied with a 256QAM modulation scheme. COPYRIGHT KIPO 2017 (AA) Start (BB) End (S210) Collecting downlink receiving sensitivity of a plurality of terminals (S220) Identifying a pre-defined ...

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Номер записи: 7