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The study of HY-2A satellite engineering development and in-orbit movement

Zhang Qingjun,Zhang Jian,Zhang Huan,Wang Rui, Jia Hong

Strategic Study of CAE 2013, Volume 15, Issue 7, Pages 12-18

Abstract: sensing system, realizes the localization of key parts and has certain characteristics of precision orbitintroduced about the aspects of system composition and functions, development stage, large-scale test, in-orbit

Keywords： HY-2A microwave remote sensing engineering development in-orbit movement application results

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In-orbit calibration and validation of atmospheric correction microwave radiometer on HY-2A satellite

Wang Zhenzhan,Zhang Dehai,Zhao Jin and Li Yun

Strategic Study of CAE 2013, Volume 15, Issue 7, Pages 44-52

Abstract: removing the effects of side-lobe and cross-polarization were derived and their coefficients were used for in-orbit

Keywords： HY-2A ACMR calibration and validation

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Performance analysis of the HaiYang-2A satellite microwave scatterometer measurements based on tropical rainforests

Peng Hailong,Mu Bo,Lin Mingsen,Zhou Wu

Strategic Study of CAE 2014, Volume 16, Issue 6, Pages 33-38

Abstract:

The first Chinese dynamic environment satellites HaiYang-2A(HY-2A) satellite was successfully launched on August 16, 2011, with a Ku-band microwave scatterometer which can provide wind vector information of global ocean surface. The research results for all launched scatterometer in the Amazon rainforest region by the global scientists showed the variance of scatterometer backscatter coefficient measurements was less than 0.15dB with the season. According to this results, the analysis on HY-2A microwave scatterometer measurement data of the Amazon rainforest region in 2012—2013 have been finished, the results showed that HY-2A satellite scatterometer measurement performance onboard in 2012-2013 is very stable, which is consistent with the international research results that seasonal variation characteristic of HY-2A scatterometer measurements in the Amazon rainforest is less than 0.15dB.

Keywords： Amason rainforest HY-2A microwave scatterometer in-orbit measurement performance

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The Polar Orbit Meteorological Satellite in China

Meng Zhizhong

Strategic Study of CAE 2004, Volume 6, Issue 10, Pages 1-5

Abstract: The development of polar orbit meteorological satellite in China has experienced the processes from experiment

Keywords： polar orbit meteorological satellite FY-1 satellite FY-3 satellite

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The Stable Movement of Salty Water Soil and Pattern Researchof Removing the Salt

Zhou Heping,Peng Lixin,Xu Xiaobo

Strategic Study of CAE 2007, Volume 9, Issue 11, Pages 120-126

Abstract:

Through the research of the water-salt movement under different groundthe symptom of redistribution of water and salt in certain area:when the evolvement of water and salt movementoccurs in vertical and horizontal direction, there is also the important symptom of sideward movementabroad, and discusses the new mode of salt drainage under both the condition of water-salt directional movementand the condition of salt movement to the earth's surface.

Keywords： water-salt directional movement new mode of salt dranage research and discussion

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Temperature Prediction for Sun Synchronous Satellite on Orbit

Wei Chuanfeng,Li Yunze,Yuan Lingshuang,Wang Jun,Ning Xianwen

Strategic Study of CAE 2005, Volume 7, Issue 2, Pages 73-75

Abstract:

Temperature prediction on-line for sun synchronous satellite is very essential. In this paper, satellite's temperature is predicted on-line after the analysis to the cycles of orbital external thermal current and average temperature. Temperature distribution predicted by last two circles can be the basis on thermal fault diagnosis for satellites. Meanwhile the error accumulation can be avoided. Fly experiment data show that the method is reliable.

Keywords： sun synchronous satellite on orbit temperature predict

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Experimental study on average movement characteristics of bed-load particles

Limo TANG, Xingkui WANG,

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 4, Pages 435-439 doi: 10.1007/s11709-009-0050-1

Abstract: The average movement characteristics of the particles are analyzed by statistics.

Keywords： different longitudinal three-dimensional particle Bagnold

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Precise orbit determination technology based on DORIS solution for HY-2A satellite

Jiang Xingwei, Wang Xiaohui,Peng Hailong,Zhong Min,Zhong Shiming

Strategic Study of CAE 2014, Volume 16, Issue 6, Pages 83-89

Abstract: environments satellite in China, carrying the DORIS tracking system which is one of main technology of precise orbit

Keywords： precise orbit determination GPS DORIS SLR

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Precise orbit determination technology based on dual-frequency GPS solution for HY-2A satellite

Lin Mingsen,Wang Xiaohui,Peng Hailong,Zhao Qile,Li Min

Strategic Study of CAE 2014, Volume 16, Issue 6, Pages 97-101

Abstract: text-align: justify;">The GPS data acquired by the HY-2A satellite GPS receiver have been used in a dynamic orbitSimultaneous estimation of the HY-2 satellite orbit and GPS orbit was performed using the data in MarchThe radical component of the GPS orbit was found to agree with better than 3 cm.

Keywords： Precise orbit determination GPS DORIS SLR

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Multi-scale investigation of active failure for various modes of wall movement

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 4, Pages 961-979 doi: 10.1007/s11709-021-0738-4

Abstract: Retained backfill response to wall movement depends on factors that range from boundary conditions toHence, various modes of wall movement (translation and rotation) toward the active state are modeleddistribution and deformation mechanisms are discussed with reference to the associated modes of wall movement

Keywords： discrete-element modelling granular materials retaining walls particle shape arching

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Classification and treatment of orbital venous malformations: an updated review

Tianyuan Li, Renbing Jia, Xianqun Fan

Frontiers of Medicine 2019, Volume 13, Issue 5, Pages 547-555 doi: 10.1007/s11684-018-0623-2

Abstract: As a common type of vascular malformation in the orbit, OVM may result in vision deterioration and cosmetic

Keywords： orbit venous malformation treatment sclerotherapy laser embolization

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The technology of precise orbit determination for HY-2A satellite

Jiang Xingwei,Wang Xiaohui,Peng Hailong,Lin Mingsen

Strategic Study of CAE 2013, Volume 15, Issue 7, Pages 19-24

Abstract: Orbit error is a major component in the overall error budge of all altimeter satellite missions.satellite carries DORIS deceiver, Dual frequency GPS receiver and Laser Retroreflector Array for Precise orbit

Keywords： precise orbit determination GPS DORIS SLR

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Consistency of MGEX Orbit and Clock Products Article

Peter Steigenberger, Oliver Montenbruck

Engineering 2020, Volume 6, Issue 8, Pages 898-903 doi: 10.1016/j.eng.2019.12.005

Abstract:

The analysis centers of the Multi-GNSS Pilot Project of the International GNSS Service provide orbitThe current orbit consistency between different analysis centers is on the level of a few centimeters

Keywords： Global navigation satellite system International GNSS Service Multi-GNSS Pilot Project Precise orbit

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Sub-layer Movement in the Large-scale Stratum

Xu Shaoxie

Strategic Study of CAE 2006, Volume 8, Issue 6, Pages 14-22

Abstract:

It was reported that a new find on sub-layer movement in the large-scale stratum had been observedEarthquakes with different division magnitude can represent movement of sub-layer with different thicknessA direct evidence of movement, synchronal movement in vertical direction, in the as large-scale stratumEvents with strong tremble of sub-layer movement have been analyzed, which were recorded by stations

Keywords： sub-layer movement in the large-scale stratum events with strong tremble earthquake prediction

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Cell-Zone Method: An Engineering Approach to Predict Smoke Movement in Large Scale Building Fire

Hu Longhua,Huo Ran,Liy Uanzhou,Wang Haobo

Strategic Study of CAE 2003, Volume 5, Issue 8, Pages 59-63

Abstract:

In large scale building fire, it is improper to predict smoke descending using traditional simple two-layer zone model, which divides the total space of the building into upper hot smoke layer and lower cool air layer. In this paper, an improved method, named Cell-Zone Method, is used to solve this problem, which first divides the total space into some small subspaces and then uses traditional two-layer zone model in each subspace. Comparison is carried out between these two methods in fire smoke development simulation in typical large space buildings by CFAST4.02 software package. Results show that Cell-Zone Method demonstrates more applicability than traditional simple two-layer zone model in large scale building, especially in buildings having large scale in one direction.

Keywords： large scale building smoke movement cell-zone method zone-model