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An overview of HY-2A satellite ground application system

Jiang Xingwei,Lin Mingsen,Zhang Youguang

Strategic Study of CAE 2014, Volume 16, Issue 6,   Pages 4-12

Abstract:

The HY-2A satellite ground application system is one of five HY-2A satellitewhich has the function of satellite data receiving, processing, calibration and validation, and data applicationHY-2A satellite ground application system has steady receving system at Beijing, Sanya and MudanjiangIn this paper, it is shown an overview of HY-2A satellite ground application system and an introductionto some main subsystem of HY-2A satellite ground application system, such as subsystem structure, function

Keywords： HY-2A satellite     ground application system     system structure     function     work flow    

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Evaluation of the performance of a centralized ground-water heat pump system in cold climate region

Shilei LU,Zhe CAI,Li ZHANG,Yiran LI

Frontiers in Energy 2014, Volume 8, Issue 3,   Pages 394-402 doi: 10.1007/s11708-014-0310-1

Abstract: The aim of this study is to evaluate the performance of a centralized open-loop ground-water heat pump(GWHP) system for climate conditioning in Beijing with a cold climate in China.Thus, a long-time test was conducted on a running GWHP system for the heating season from December 2011testing data indicates that the average heat-pump coefficient of performance (COP) and the COP of the system

Keywords： ground-water heat pump (GWHP)     actual coefficient of performance     heat transfixion    

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Optimisation for interconnected energy hub system with combined ground source heat pump and borehole

Da HUO, Wei WEI, Simon Le BLOND

Frontiers in Energy 2018, Volume 12, Issue 4,   Pages 529-539 doi: 10.1007/s11708-018-0580-0

Abstract: Ground source heat pumps (GSHP) give zero-carbon emission heating at a residential level.However, as the heat is discharged, the temperature of the ground drops, leading to a poorer efficiencyTo adequately utilize the high performance of combined GSHP and the borehole system to further increasesystem efficiency and reduce cost, such a combined heating system is incorporated into the interconnectedmulti-carrier system to support the heat load of a community.

Keywords： borehole thermal storage     energy hub     ground source heat pumps (GSHP)     particle swarm optimisation    

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Overall Concept of Space Application Development in China

Li Shuai , Shen Zhiqiang , Hou Yukui , Fu Ruimin , Zhang Zhengning , Jiang Bin ,Sun Huijie , Bai Zhaoguang , Zhang Qingjun , Qi Faren

Strategic Study of CAE 2023, Volume 25, Issue 2,   Pages 67-78 doi: 10.15302/J-SSCAE-2023.02.008

Abstract: , product production, and service provision on the ground or in space by utilizing space resourcesHowever, the system design, basic database, and standards construction that are closely relatedThe key directions for the development of space application are explored.policies and regulations associated with the aerospace industry, promote the integration of space, groundpattern that features space-ground-user interactive development and unified standards.

Keywords： space application system     space-ground integration     application engineering     development direction of    

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Ground Segments for FY Meteorological Satellites

Xu Jianmin,Niu Yinsheng,Dong Chaohua,Zhang Wenjian,Yang Jun

Strategic Study of CAE 2006, Volume 8, Issue 11,   Pages 13-18

Abstract: Ground segments are major components of FY meteorological satellite projects.the programming, key technology and success rate of the operation of the FY meteorological satellite groundmeteorological satellites have become an essential portion in the modernization of China´s meteorological system

Keywords： FY meteorological satellite     ground segment     satellite application    

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Application of coupled XFEM-BCQO in the structural optimization of a circular tunnel lining subjectedto a ground motion

Nazim Abdul NARIMAN, Ayad Mohammad RAMADAN, Ilham Ibrahim MOHAMMAD

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 6,   Pages 1495-1509 doi: 10.1007/s11709-019-0574-y

Abstract: A new structural optimization method of coupled extended finite element method and bound constrained quadratic optimization method (XFEM-BCQO) is adopted to quantify the optimum values of four design parameters for a circular tunnel lining when it is subjected to earthquakes. The parameters are: tunnel lining thickness, tunnel diameter, tunnel lining concrete modulus of elasticity and tunnel lining concrete density. Monte-Carlo sampling method is dedicated to construct the meta models so that to be used for the BCQO method using matlab codes. Numerical simulations of the tensile damage in the tunnel lining due to a real earthquake in the literature are created for three design cases. XFEM approach is used to show the cracks for the mentioned design cases. The results of the BCQO method for the maximum design case for the tunnel tensile damage was matching the results obtained from XFEM approach to a fair extent. The new coupled approach manifested a significant capability to predict the cracks and spalling of the tunnel lining concrete under the effects of dynamic earthquakes.

Keywords： ovaling deformation     monte carlo sampling     XFEM-BCQO     maximum principal stress    

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Ground-to-Air Radar Jamming Syste——Functions in Current Local Conflict and Its Development Trend

Zhang Xixiang

Strategic Study of CAE 2000, Volume 2, Issue 7,   Pages 55-65

Abstract:

This paper describes the development of the ground-to-air jammer.jamming system or series, which can jam a variety of radars , including airborne radar on combat aircraftIf they had got the ground-to-air jamming equipment deployed in their air defense system, they would

The paper concludes that the ground-to-air jamming system plays a very important role in theThe ground-to-air jamming system will have a bright future.

Keywords： ground-to-air jamming system     functions in current conflict     development trend    

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Design scheme and implementation for HY-2 ground segment mission control

Lan Youguo,Lin Mingsen,Xie Chunhua

Strategic Study of CAE 2014, Volume 16, Issue 6,   Pages 13-20

Abstract:

Design scheme and implementation for HY-2 ground segment is introducedMission control subsystem is responsible for task scheduling，and system monitor，is nerve center of groundMixture of C/S and B/S architecture is used for operational and control system (OCS) by its characteristic.Missionoperation pattern is used，making plans in advance，distributed task scheduling，centralized operational system

Keywords： HY-2 ground segmentapplication system     architecture     layered scheduling system     operational model    

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Mechanical responses of multi-layered ground due to shallow tunneling with arbitrary ground surface load

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 5,   Pages 745-762 doi: 10.1007/s11709-023-0935-4

Abstract: An analytical model based on complex variable theory is proposed to investigate ground responses dueto shallow tunneling in multi-layered ground with an arbitrary ground surface load.The ground layers are assumed to be linear-elastic with full-stick contact between them.in multi-layered ground; thus, it can be used with assurance to estimate the ground movement and surfacecomposite ground.

Keywords： analytical model     mechanical response     multi-layered ground     shallow tunneling     ground surface load    

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Mobile Support Technology and Its Application Prospects in Urban Underground Engineering

Wang Xiuying,Tan Zhongsheng,Yang Jikai and Zheng Weihan

Strategic Study of CAE 2017, Volume 19, Issue 6,   Pages 124-130 doi: 10.15302/J-SSCAE-2017.06.018

Abstract: a mobile support technology suitable for soft soil tunneling is proposed, and its control effect on groundNumerical analysis and field tests show that this technique has a strong ability to control ground deformation

Keywords： mobile support     ground deformation     application prospect     numerical simulation     site monitoring    

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Systematic engineering method for FY-3 satellite ground segment engineering

Dong Chaohua,Yang Zhongdong,Shi Jinming,Zhang Peng

Strategic Study of CAE 2013, Volume 15, Issue 10,   Pages 24-32

Abstract:

For application purpose, this paper gave an introduction on designingFY-3 function, planning the FY-3 satellite and the ground engineering system requirement as a wholelocating the receiving stations, and scientifically allocating the task for each functional unit of the groundsystem, so that the ground application system was built with realization of optimized overall function

Keywords： FY-3 satellite     instrument capability     ground segment system     systematic engineering     over all design    

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Development Strategy for Air–Ground Collaborative Multi-Modal Intelligent Robot System

Huang Qiang, Meng Fei, Yu Zhangguo, Lin Defu, Xu Bin, Duo Yingxian

Strategic Study of CAE 2021, Volume 23, Issue 5,   Pages 116-121 doi: 10.15302/J-SSCAE-2021.05.015

Abstract:

An air–ground collaborative multi-modal intelligent robot systemcan adapt to air and ground environments, has multimodal characteristic and advanced intelligence, andThe system has broad application prospects in various fields of society and is a new driving force forConsidering the major demand for developing the air–ground collaborative multi-modal intelligentResearch shows that the air–ground collaborative multi-modal intelligent robot system can be integrated

Keywords： intelligent robot     air–ground collaboration     multi-modal     artificial intelligence    

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R&D of the ground-coupled heat pump technology in China

Nairen DIAO, Ping CUI, Junhong LIU, Zhaohong FANG,

Frontiers in Energy 2010, Volume 4, Issue 1,   Pages 47-54 doi: 10.1007/s11708-009-0080-3

Abstract: The ground-coupled heat pump (GCHP) systems have been identified as one of the best sustainable energyNew models are presented for efficient thermal analysis of ground heat exchangers, of which one- andtwo-dimensional solid cylindrical source models and their analytical solutions are devised to deal with pile ground

Keywords： ground source heat pump     ground heat exchanger     HVAC     China    

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INTERACTIONS BETWEEN ABOVE AND BELOW GROUND PLANT STRUCTURES: MECHANISMS AND ECOSYSTEM SERVICES

Frontiers of Agricultural Science and Engineering 2022, Volume 9, Issue 2,   Pages 197-213 doi: 10.15302/J-FASE-2021433

Abstract:

Interactions between above and below ground parts of plants can be considered under the (overlappingSolar energy powers photosynthesis and transpiration by above ground structures, and drives most wateruptake through roots and supplies energy as organic matter to below ground parts, including diazotrophicNO3– assimilation of above ground parts requires organic N transportInteraction of above and below ground plant parts is an important component of the ecosystem service

Keywords： aerenchyma / carbon accumulation / hormones / phloem / xylem    

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Shanghai center project excavation induced ground surface movements and deformations

Guolin XU, Jiwen ZHANG, Huang LIU, Changqin REN

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 1,   Pages 26-43 doi: 10.1007/s11709-017-0439-1

Abstract: A retaining system was achieved by 50-m-deep diaphragm walls with six levels of struts.The following main items related to ground surface movements and deformations were collected: (1) wallsand circumferential soils lateral movements; (2) peripheral soil deflection in layers and ground settlements

Keywords： deep excavation     foundation pit     soft clay     top-down method     field observation     ground surface movements     ground    

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Title Author Date Type Operation

An overview of HY-2A satellite ground application system

Jiang Xingwei,Lin Mingsen,Zhang Youguang

Journal Article

Evaluation of the performance of a centralized ground-water heat pump system in cold climate region

Shilei LU,Zhe CAI,Li ZHANG,Yiran LI

Journal Article

Optimisation for interconnected energy hub system with combined ground source heat pump and borehole

Da HUO, Wei WEI, Simon Le BLOND

Journal Article

Overall Concept of Space Application Development in China

Li Shuai , Shen Zhiqiang , Hou Yukui , Fu Ruimin , Zhang Zhengning , Jiang Bin ,Sun Huijie , Bai Zhaoguang , Zhang Qingjun , Qi Faren

Journal Article

Ground Segments for FY Meteorological Satellites

Xu Jianmin,Niu Yinsheng,Dong Chaohua,Zhang Wenjian,Yang Jun

Journal Article

Application of coupled XFEM-BCQO in the structural optimization of a circular tunnel lining subjectedto a ground motion

Nazim Abdul NARIMAN, Ayad Mohammad RAMADAN, Ilham Ibrahim MOHAMMAD

Journal Article

Ground-to-Air Radar Jamming Syste——Functions in Current Local Conflict and Its Development Trend

Zhang Xixiang

Journal Article

Design scheme and implementation for HY-2 ground segment mission control

Lan Youguo,Lin Mingsen,Xie Chunhua

Journal Article

Mechanical responses of multi-layered ground due to shallow tunneling with arbitrary ground surface load

Journal Article

Mobile Support Technology and Its Application Prospects in Urban Underground Engineering

Wang Xiuying,Tan Zhongsheng,Yang Jikai and Zheng Weihan

Journal Article

Systematic engineering method for FY-3 satellite ground segment engineering

Dong Chaohua,Yang Zhongdong,Shi Jinming,Zhang Peng

Journal Article

Development Strategy for Air–Ground Collaborative Multi-Modal Intelligent Robot System

Huang Qiang, Meng Fei, Yu Zhangguo, Lin Defu, Xu Bin, Duo Yingxian

Journal Article

R&D of the ground-coupled heat pump technology in China

Nairen DIAO, Ping CUI, Junhong LIU, Zhaohong FANG,

Journal Article

INTERACTIONS BETWEEN ABOVE AND BELOW GROUND PLANT STRUCTURES: MECHANISMS AND ECOSYSTEM SERVICES

Journal Article

Shanghai center project excavation induced ground surface movements and deformations

Guolin XU, Jiwen ZHANG, Huang LIU, Changqin REN

Journal Article