Спутник ФКИ. KuaFu. [Редактировать]

Научный космический аппарат осуществляющий постоянное наблюдение северного полярного овала и кольцевого тока, систематические наблюдения авроральной активности, а также измерения магнитного поля, энергичных и заряженных частиц.

Дополнительная классификация

#Наименования
1Тип оператора(владельца) - государственный
2Страна оператор(владелец) - Китай
3Страна производитель - Китай

Технические характеристики

#ХарактеристикаЗначение
1Масса (системы), кг1500
2Масса (одного аппарата), кг400
3Количество аппаратов, шт.3

Характеристики орбиты

#ХарактеристикаЗначение
1Расчетный срок функционирования, год2-3

Экономические характеристики

#ХарактеристикаДата измеренияЗначение
1Стоимость системы , млн. долл.134.5

Найдено 109 документов по запросу «KuaFu». [Перейти к поиску]


Дата загрузки: 2017-03-28
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0.09/5
... exploration available to China?  .....................................  57   3.3.1 Kuafu  .......................................................................................................................................................  57   3.3.2 Yinghuo-1  ..............................................................................................................................................  59   3.3.3 International Space... include: Yinghuo-1 (Mars space probe), Kuafu (space weather satellites), and the... exploration available to China? 3.3.1 Kuafu The Kuafu project is a multi-spacecraft mission.... It consists of two missions – Kuafu A and Kuafu B – whose operations will support... three satellites with the first, Kuafu-A, having an expected launch date in 2017.173 The Kuafu project was proposed in 2003... project is organized through the Kuafu Coordination and Planning Committee.177... 173 Human Spaceflight and Operations. “Kuafu SWE Mission.” European Space Agency.../space/doc/euPolicy/2012_07_03/KuaFu.pdf 174 “Kuafu” mission – Space Weather Explorer... Yong-Wei Zhang. “Kuafu Project: International Collaboration.” Kuafu Study Team. 2006. Available... the early phases of the Kuafu project, as is evidenced by... assigned to different partners. The Kuafu-A satellite will be located at... operations available in China. The Kuafu-B missions include two identical satellites... the ESA for participation in Kuafu-B was not approved at the... not approve ESA participation in Kuafu-B. The reasons for non-approval... Kuafu.” Director-General, National Center for Space Weather, on behalf of Kuafu... 179 Human Spaceflight and Operations. “Kuafu SWE Mission.” European Space Agency.../belspo/space/doc/euPolicy/2012_07_03/KuaFu.pdf 180 ibid 181 ibid... 2013. “Mission Status and Developments: Kuafu.” http://www.ucl.ac.uk... for international partners for the Kuafu A and Kuafu B missions indicate a high level... with Kuafu.199 Although the Kuafu-B missions were not approved, the ESA Kuafu... account of assigned responsibilities for Kuafu-A. China will contribute the launch... science experiment payloads to the Kuafu project. These constitute niche and... Yong-Wei Zhang. “Kuafu Project: International Collaboration.” Kuafu Study Team. 2006. Available... Kuafu project the ESA Council of Ministers did not approve the Kuafu... delegated to China in the Kuafu case suggest that the 11... international partners, specifically in the Kuafu project. Furthermore the international environment.... The cooperation achieved in the Kuafu and Yinghuo-1 projects however show... the three space projects where Kuafu was proposed at an international...   Organizations Human Spaceflight and Operations. “Kuafu SWE Mission.” European Space Agency.../belspo/space/doc/euPolicy/2012_07_03/KuaFu.pdf International Astronautical Federation. About... 2013. “Mission Status and Developments: Kuafu.” http://www.ucl.ac.uk... Yong-Wei Zhang. “Kuafu Project: International Collaboration.” Kuafu Study Team. 2006. Available... Kuafu.” Director-General, National Center for Space Weather, on behalf of Kuafu...



Дата загрузки: 2017-01-23
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0.2/5
Kuafu: Annotate and Search for Images ... in Media Arts and Sciences Kuafu: Annotate and Search for Images... to build a Web-based system, Kuafu, for image annotation and search. Annotation and search in Kuafu is based on the content... visualization of the semantics given. Kuafu emphasizes semantic content in particular... as designs. Kuafu supports the query-by-design paradigm. Kuafu utilizes iconic... content of images. At present, Kuafu is experimentally running on a database... News in the Future Consortium Kuafu: Annotate and Search for Images... of the icons used in Kuafu and Alan Ruttenberg for converting... American Press photos on which Kuafu is experimentally running. Thanks to... help during the developing of Kuafu. Finally, thanks to my parents... 3.5 Changeable icon catalog 4 Implementation of Kuafu 4.1 The architecture 4.2 The interface 4.3 The... 5 Iconic annotation and queries in Kuafu 5.1 Working modes 5.2 Selection of single... The current icon catalog in Kuafu The family of time icons... The architecture of Kuafu Kuafu's interface in the annotation mode Kuafu's interface in... imagery. The system is called Kuafu, which is the name of... legend. The legend says that Kuafu chased the sun for ten... iconic descriptions are utilized in Kuafu. 2.4 Related work and discussions Clearly... represent. Similar to Media Streams, Kuafu uses icons to represent the... points out a practical difference between Kuafu and Media Streams in section... used in our daily life. Kuafu uses an iconic representation because... in section 3.2, the icons in Kuafu are organized in semantic hierarchies... used in Media Streams [2] and Kuafu were created by Golan Levin... a small number of icons for Kuafu. are implied. This is especially... users' queries. 3.2 Organization of icons Kuafu's icon catalog includes human beings... 2: The current icon catalog in Kuafu includes 11 categories. An icon... icons The single icons in Kuafu can be combined to generate... number of the single icons. Kuafu has two types of compound... to that of natural languages. Kuafu contains nested compound icons4as well... A difference worth noting is that Kuafu's icon catalog is changeable and... the top level catalog in Kuafu. The reason this is an... catalog will bring convenience. Experimentally, Kuafu is running on a database of... are sports news photos. Thus, Kuafu's current catalog particularly includes the.... See figure 2. Chapter 4 Implementation of Kuafu This chapter describes the components and implementation of the Kuafu system'. Section 4.1 gives an overview... in section 4.4. 4.1 The architecture The Kuafu system consists of a Web-based... indexed images, respectively. Note that Kuafu does not store annotated images... Images Figure 7: The architecture of Kuafu: Kuafu consists of a Web-based interface... icon board from the Figure 8: Kuafu's interface in the annotation mode... in a hierarchical structure. 24 Figure 9: Kuafu's interface in the search mode... left. The mode switch changes Kuafu's working mode from annotation to... 12 as well. 4.3 The databases Kuafu has a K-icon database, a V-icon database... catalog, one address per category. Kuafu's catalog can include 128 categories... when the user accesses the Kuafu site. The V-icon (virtual-icon... As the core of the Kuafu system, the server communicates with... the word "USA." Yet, in Kuafu, search with a geographical icon of... 5 Iconic annotation and queries in Kuafu Kuafu is a tool to annotate and... are text character icons provided). Kuafu adopts the query-by-design... to design. The appearance of Kuafu's interface is displayed in figure... through the interface. 5.1 Working modes Kuafu works in the annotation mode... need to make sure that Kuafu is in the working mode...) consortium (about 1000 per day). Kuafu is not yet open to... very well. Another advantage is Kuafu's scalability. Image retrieval based on... that kind whereas, using icons, Kuafu theoretically avoids the heavy load... features. In practice, FramerD, which Kuafu utilizes to manage the databases... advantage makes it possible for Kuafu to deal with a growing number..., there are two disadvantages. First, Kuafu doesn't have the ability to... will be a tedious job. Second, Kuafu has no ability to annotate... applications The techniques developed for Kuafu can be applied to other... the scenario in chapter 1. In Kuafu, the semantic hierarchies enable general... visual features in images, in Kuafu in the near future. In... are found by previous search. Kuafu will implement a similar capability in...



Дата загрузки: 2017-06-16
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0.23/5
... planning a major solar observatory, dubbed KuaFu, with a launch target of 2012...-2008. Further in the future, KuaFu could become China’s most ambitious... legend who chases the sun, KuaFu would consist of a trio of..., tracking storms as they develop. “KuaFu has numerous firsts, if it... would build and launch the KuaFu satellites. Although Canadian and European.... “With this mission,” says Schwenn, a KuaFu collaborator, “China wants to join... expects to complete a review of KuaFu by spring and give a final... long surpassed their design lives, KuaFu could prove vital. “Within a few...



Дата загрузки: 2017-03-28
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0.22/5
... Participation to KuaFu Mission • Joint participation to the Chinese KuaFu mission together with ESA Science programme is considered • KuaFu mission concept includes a spacecraf (KuaFu-A) in halo orbit around L1 and two spacecraft (KuaFu-B1 and KuaFu... Agency SSA Space Weather Segment KuaFu Payload • • KuaFu-A • Lyman alpha imager • Coronagraph...-proton telescope • Digital Absolute Radiometer KuaFu-B • Wide Field Auroral Imager • Wideband... Weather Segment KuaFu Implementation Scheme • China is proposing to implement Kuafu as... all data for both partners • KuaFu is initially proposed as a science... a short timeliness • ESA participation to KuaFu is considered as a shared activity... Programme to implement KuaFu-B mission • ESA participation to KuaFu-A mission with selected... Weather Segment SSA Benefits from KuaFu Mission • KuaFu-A mission offers an unique... a shared cost • KuaFu-B mission complements the data from KuaFu-A supporting SSASWE system...



Дата загрузки: 2017-02-23
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0.22/5
KuaFu SWE Mission ESA Thematic information ...) 1 BELSPO, 3 July 2012 Introduction • The KuaFu Space Weather mission is proposed..., 3 July 2012 Mission Outline Figure 1: KuaFu Mission outline (artist impression) Human... Operations (HSO) 3 BELSPO, 3 July 2012 KuaFu - A • KuaFu-A, located in a halo orbit at... Operations (HSO) 4 BELSPO, 3 July 2012 KuaFu - B • KuaFu-B1 and B2, two identical... phased 180 deg. apart, the KuaFu-B spacecraft will monitor the Earth... (and Australis to some extent). KuaFu is planned as a multi-spacecraft... (HSO) 5 BELSPO, 3 July 2012 KuaFu-A spacecraft KuaFu-A Spacecraft 3 – axis stabilized Service Module... Magnetic Cleanliness level: 1 nT Table 1: KuaFu-A spacecraft main characteristics Human Spaceflight...) 6 BELSPO, 3 July 2012 KuaFu-A Model Payload The KuaFu A current model payload consists... the main characteristics of the KuaFu A payload is given in Table...) Potential Interest from Switzerland . Table 2: KuaFu-A Model payload Human Spaceflight and... (HSO) 7 BELSPO, 3 July 2012 KuaFu-B Mission The KuaFu-B mission consists of two... nominal with possible extension Table 3. KuaFu-B Mission Description Human Spaceflight and... as possible candidates for the KuaFu-B mission. • As a reference a design based..., has been selected as baseline. KuaFu-B Spacecraft 3 – axis stabilized 4 reaction wheels... 4. KuaFu-B Spacecraft Human Spaceflight and Operations (HSO) 9 BELSPO, 3 July 2012 KuaFu-B Model... Shielding mass assumed: 1.1 kg Table 5: KuaFu-B Model Payload (main instruments) CAS... BELSPO, 3 July 2012 KuaFu-B Launcher • The two KuaFu-B spacecraft will be launched... (HSO) 11 BELSPO, 3 July 2012 KuaFu-B Spacecraft • Within the framework of... 2012 a “Phase 0” CDF study of KuaFu-B mission to assess feasibility and... study has confirmed that the KuaFu-B mission can be implemented making... in Europe. • After evaluating the KuaFu-B mission requirements, a first assessment of... (HSO) 12 BELSPO, 3 July 2012 KuaFu-B design drivers The platform design... identified are: • ITAR restricted technology: KuaFu shall be ITAR free to...) 13 BELSPO, 3 July 2012 Conclusions • KuaFu is a unique opportunity to implement... the ageing SOHO spacecraft). • The KuaFu mission is part of a Programme...



Дата загрузки: 2017-11-24
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0.14/5
... OLTP workload. This paper proposes KuaFu to close the parallelism gap... replay of transactions on a backup. KuaFu maintains write consistency on backups... between the primary and backups. KuaFu further leverages multi-version concurrency... have implemented KuaFu on MySQL; our evaluations show that KuaFu allows a backup... [1] [2]. In this paper, we propose KuaFu to close the parallelism gap..., reusability, and ease of implementation, KuaFu applies to row-based logging... between the primary and backups, KuaFu tracks transaction dependencies and makes... this kind of read inconsistency, KuaFu further introduces barriers to create.... Third, we have fully implemented KuaFu on MySQL with 1024 transactions... detailed evaluations have confirmed that KuaFu allows a backup to keep up... describes the design choices that KuaFu makes and presents its architecture... the implementation of KuaFu on MySQL. We evaluate KuaFu and share our... architecture of KuaFu. ^Y> ZĞƋƵĞƐƚƐ ZĞƉůŝĐĂƚŝŽŶ DĂŶĂŐĞƌ ZĞĂĚͬtƌŝƚĞ ŽŶƐŝƐƚĞŶƚ ZĞĂĚĞƌ tƌŝƚĞƐĞƚ WĂƌƐĞƌ ĞƉĞŶĚĞŶĐLJ dƌĂĐŬĞƌ WĂƌĂůůĞů džĞĐƵƚŽƌ ^Y> WƌŽĐĞƐƐŝŶŐ >ŽŐŝĐ A. KuaFu Design Choices The basic idea of KuaFu is simple... replay the log in serial, KuaFu allows the backup to infer... or at the storage layer. KuaFu chooses to focus on replication... is hard to check ZĞĂĚ KŶůLJ tƌŝƚĞƐĞƚ džƚƌĂĐƚŽƌ ^ƚŽƌĂŐĞ ŶŐŝŶĞƐ ^ƚŽƌĂŐĞ ŶŐŝŶĞƐ tƌŝƚĞƐĞƚ >ŽŐ KƚŚĞƌ ĂĐŬƵƉ ^ĞƌǀĞƌƐ ^Y> >ĂLJĞƌ ^ƚŽƌĂŐĞ >ĂLJĞƌ ĂĐŬƵƉ WƌŝŵĂƌLJ Fig. 2. KuaFu Architecture. whether or not two... we tested. B. The Architecture of KuaFu KuaFu chooses to focus on row.... Figure 2 shows an overview of KuaFu’s architecture, where the gray components... by KuaFu to an existing two-layer database system. The KuaFu system... Backup It is obvious that KuaFu ensures write consistency in that... the primary as well, then KuaFu provides the same consistency semantics... the primary. By doing so, KuaFu sacrifices performance and freshness for.... IV. I MPLEMENTATION We have implemented KuaFu on MySQL 5.5.15, which has... Graph ĂĐŬƵƉ Concurrent log replay in KuaFu. KuaFu implementation on MySQL. being updated.... Unpacking is actually a bottleneck for KuaFu, as we will see in... 4 shows an overview of the KuaFu implementation, corresponding to the design... of MySQL for the primary. A KuaFu backup uses the same IO... reads with the latest snapshot. KuaFu leveraged InnoDB’s multi-version system...-related Threads Figure 5 illustrates how KuaFu replays log concurrently on a backup..., the overhead is largely negligible. KuaFu must also handle log events.... Because they are rare operations, KuaFu treats them as barriers and... comparing the full row images, KuaFu computes signatures for the rows... we allow reads on backups, KuaFu takes snapshots periodically. Our current... been replayed. To achieve this, KuaFu creates a barrier in the log... log reader have been committed. KuaFu then takes a snapshot and marks... for a transaction. When taking a snapshot, KuaFu invokes the snapshot function at... a read request on the backup, KuaFu assigns the latest snapshot to... To evaluate the performance of KuaFu, we have conducted experiments on... the scalability of MySQL and KuaFu, while the M8 machines are...-repl), and replay throughput of KuaFu (KuaFu) on M48, using different numbers... overall performance of MySQL and KuaFu on the OLTP workload. We... the log. The KuaFu line shows the throughput of KuaFu. To show... threads. For the same reason, KuaFu does not scale beyond 16... uses more than four cores. KuaFu performs slightly worse than the... is used. This is because KuaFu has some extra overhead over... threads. On the positive side, KuaFu shows good scalability up to... cores. Most importantly, a backup in KuaFu always outperforms the primary given..., unlike the original scheme, in KuaFu the backups will always be... provide read consistency on a backup, KuaFu places barriers between log operations... significantly affect the performance of KuaFu. Because we cannot change the... master/slave) and update everywhere. KuaFu focuses on the primary/backup... replicas after the transaction commits. KuaFu can be applied to both... a similar mechanism to implement replication. KuaFu is designed to address the... can be applied directly in KuaFu to guarantee strong session 1SR... updates on the backups concurrently. KuaFu eliminates the requirement of snapshot... by automatically inferring transaction dependency. KuaFu requires that the storage engine...) and serialized execution (for consistency). KuaFu can be extended to address... [15], with the mechanism in KuaFu used for record and (parallel.... The main complication of extending KuaFu to state-machine replication is... with the writeset logs, but KuaFu has not implemented this feature... cost. Deterministic Replay and Execution. KuaFu is also related to deterministic... overhead tends to be high. KuaFu is designed specifically for database... their built-in replication solution. KuaFu focuses specifically on this form... approaches are largely orthogonal to KuaFu, as KuaFu tackles the problem directly... a set of important design choices, KuaFu provides a simple, effective, and practical...



Дата загрузки: 2016-12-29
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0.16/5
....: KuaFu KuaFu: exploring the Sun–Earth connection Steve Milan and the KuaFu team... possibility of a bilateral satellite mission – KuaFu – to study the influence of... connection and space weather. KuaFu The KuaFu mission is named appropriately – though... namesake will comprise three spacecraft: KuaFu-A, located at the Sun–Earth L1 libration point, together with KuaFu-B1 and B2 which will... 1). China will build KuaFu-A, and ESA the KuaFu-B pair. The aim is... to the next solar maximum. KuaFu-A will monitor the Sun and... Heliospheric Observatory (SOHO) can achieve. KuaFu-A will also monitor the electromagnetic... artist’s impression of the three KuaFu spacecraft. KuaFu-A is at L1, remotely... interplanetary magnetic field. The two KuaFu-B spacecraft monitor the northern and... wind with Earth’s magnetosphere. The KuaFu-B pair will image the Earth...­sphere. To achieve this, each KuaFu-B spacecraft will be in the... how they are linked together. KuaFu will monitor the solar surface... global 4.21 Milan et al.: KuaFu images of the Earth’s auroras... its monitoring and forecasting capability, KuaFu has four main science targets... of KuaFu will allow these questions to be studied. Furthermore, KuaFu-A will... technical concern for space assets. KuaFu-A will monitor SEPs and the... • Vol. 53 Milan et al.: KuaFu (a) 30 (b) interplanetary magnetic field open..., the KuaFu-A spacecraft will make measurements of a high absolute accuracy. KuaFu will... forecast possibly hazardous magnetospheric activity. KuaFu will address these questions by... Tsu4.23 Milan et al.: KuaFu rutani 1999) and on the... that will be measured by KuaFu-A. 5: Simultaneous views of the auroras... auroras (Laundal and Østgaard 2009). KuaFu will open a completely new window... times, individually or in combination. KuaFu will measure interhemispheric offsets in... to the solar wind. Conclusions KuaFu has the potential to transform... need to be replaced by KuaFu-A before they are retired or... available for several years, and KuaFu is the next opportunity to.... The other members of the KuaFu team are: Malcolm Dunlop (Rutherford...



Дата загрузки: 2017-06-15
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0.08/5
... FUVSI — FUV Spectrographic Imager (in KuaFu project) GGIPCW — Global Geospace Imaging... Magnetospheric-to-Aurora Global Exploration KuaFu — перспективный китайский космический проект L — параметр... — FUV Auroral Monitoring Cameras (in KuaFu project) UVI — Ultraviolet Imager (Polar... Auroral Imager in X-ray (in KuaFu project) Введение Геофизики все больше... европейских стран (в рамках проекта KuaFu) на КА KuaFu-B, который намечено вывести на...



Дата загрузки: 2017-11-24
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0.24/5
KuaFu Project (Space storms, Aurora and ... Zhang6 on behalf of the KuaFu study team 1. Peking University, China... General Meeting- KuaFu Collaboration Chain of solar terrestrial disturbance KuaFu Team members... Satellite Co. LTD (System Engineer) KuaFu A Group L.-D. Xia R. Schwenn P. Rochus P. Lamy... University College of London, UK KuaFu-B Group J.-S. Wang E. Donovan T. –L. Zhang S. McKenna... Mr. KuaFu is an ancient Chinese myth One day Mr. KuaFu tried... Sun-Earth space KuaFu in ILWS Review of the Kuafu mission assessment... ILWS Steering Committee Endorsement for KuaFu Payload "The SSWG (Solar System... Kiel Suggested KuaFu Payloads (updated: July 18, 2006) Table 1: KUAFU-A payload Instrument... France Germany China/ Switzerland Table 2: KUAFU-B1 payload (B1 with lower.../China /UK Total 66.8 Table3: KUAFU-B2 payload (B2 with higher... countries involved in collaboration for KuaFu payload Comprehensive study (Phase A) China... welcome all possible contributions to KuaFu besides payload, e.g. platform, launcher, tracking... on government-agency-level by KuaFu Coordination and Planning Committee (KCPC...



Дата загрузки: 2017-02-22
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0.1/5
... Advances in Double Star Program KuaFu – Solar Storm, Aurora and Space... northward IMF has been observed 6 KuaFu Solar Storm°¢ Aurora Aurora and... project Project Leader: Prof. C.-Y. Tu 7 KuaFu-A at L1 Solar EUV emission... magnetic field High energy particles KuaFu-B1+B2 polar orbit 24... and magnetic storms, aurora activities 9 KuaFu-A Payload Instrument Mass (kg) Power... Total 89 86 160 10 KuaFu-B Payload Instrument Mass (kg) Power... Review is under way.  The KuaFu Promotion Committee have recently been... SMESE MIT Interplanetary Space DSP Kuafu 2005 2010 2015 2020 2025... successful.  The comprehensive review of KuaFu project and the phase A study...