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HY-2A radar altimeter design and in flight results

Xu Ke,Liu Heguang,Jiang Jingshan

Strategic Study of CAE 2013, Volume 15, Issue 7,   Pages 25-32

Abstract:

HY-2A is the first satellite for oceanic dynamic environment measurementAs one of main payloads of HY-2A, HY-2A radar altimeter has obtained successive measurement data afterThe accuracy of HY-2A radar altimeter is better than 4 cm (at 20 m significant wave height) or 2 cm (at 4 m significant wave height), which is close to that of Jason-2 satellite altimeter.In this paper, the design and in flight preliminary results of HY-2A radar altimeter are introduced.

Keywords： radar altimeter     HY-2A satellite     operation in flight    

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HY-2A satellite radar altimeter error correction algorithm and verification

Zhang Youguan,Jia Yongjun,Fan Chenqing,Zhang Jie and Lin Mingsen

Strategic Study of CAE 2013, Volume 15, Issue 7,   Pages 53-61

Abstract:

There are many factors affecting the height accuracy of satillite radaraltimeter.The error correction algorithms for the HY-2A satellite radar altimeter were conducted in this researchAnd, these algorithms were vertified using the more mature foreign satellite data such as Jason-1/2 andThe results show that the HY-2A error correction algorithms can meet the accuracy requirements.

Keywords： altimeter error correction     HY-2A satellite radar altimeter    

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Verification of HY-2 satellite radar altimeter wind retrieval

Jia Yongjun,Zhang Youguang,Lin Mingsen

Strategic Study of CAE 2014, Volume 16, Issue 6,   Pages 54-59

Abstract: The HY-2 satellite altimeter provides sea surface height, significant wave height, sea surface wind speedIn this study, the two-parameter algorithm is used to get the wind speed from HY-2 satellite radar altimeterThe correctness of this algorithm is calculated using the Jason-1 and HY-2 scatterometer data qualitatively

Keywords： wind speed retrieval     two-parameter algorithm     radar altimeter     HY-2    

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Active and passive microwave remote sensing technology of the HY-2A ocean satellite mission

Jiang Xingwei,Lin Mingsen,Song Qingtao

Strategic Study of CAE 2013, Volume 15, Issue 7,   Pages 4-11

Abstract: summarized the capabilities, performance, and technical characteristics of the 4 payloads onboard the HY-2A-2A satellite including radar altimeter, microwave scatterometer, scanning microwave radiometer and microwaveThe HY-2A satellite is marked as a significant breakthrough for microwave remote sensing technology ofChina, a milestone for China's own ocean dynamic environment satellite that plays a crucial rolein maritime applications, and a role model for China's future ocean satellite missions.

Keywords： HY-2A satellite     microwave remote sensing     ocean remote sensing     radar altimeter     microwave scatterometry    

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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: correction microwave radiometer (ACMR) is one of the main payloads for correcting atmospheric path delay of radaraltimeter on HY-2A satellite.antenna temperatures were compared with the similar space-borne microwave radiometer on Jason-1 and Jason-2satellite (JMR), launched by the NASA-French Space Agency Ocean Surface Topography Mission.results of comparison showed that the data from ACMR were well matched to those from Jason-1 and Jason-2.

Keywords： HY-2A     ACMR     calibration and validation    

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Comparison of wind speed from 3 main payloads of HY-2 satellite

Jia Yongjun,Liu Jianqiang,Lin Mingsen,Zhang Youguang

Strategic Study of CAE 2014, Volume 16, Issue 6,   Pages 27-32

Abstract: There are three payloads on HY-2 satellite which can be used to detect the sea surface wind speed.The payloads are radar altimeter, microwave scatterometer and scanning microwave radiometer.The difference is that altimeter can measure the wind speed at the nadir point of the HY-2 satellite,The standard deviation is less than 2 m/s.But when speed is between 20 m/s and 35 m/s, the wind speed of altimeter is close to the radiometer.

Keywords： wind speed     radar altimeter     HY-2    

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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 satelliteHY-2A satellite ground application system has steady receving system at Beijing, Sanya and Mudanjiang-2A satellite and distribute to user every day.In 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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Research on the preprocessing of HY-2A space-borne scatterometer data

Zhang Yi,Lin Minseng,Song Qingtao,Xie Xuetong and Zou Juhong

Strategic Study of CAE 2013, Volume 15, Issue 7,   Pages 62-67

Abstract: in the scatterometer data preprocessing, which include the geometric positioning algorithm and the radarThe traditional method of geometric positioning of space-borne scatterometer data depends on the satelliteHY-2A satellite is equipped with a global positioning system(GPS) sensor to provide the location of thesatellite platform with 1 s interval.The radar backscatter coefficient is calculated with a parameter substitution method.

Keywords： HY-2A satellite     microwave scatterometer     preprocessing    

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The system design and application of HY-2A scatterometer

Wang Xiaoning,Liu Lixia,Chen Wenxin

Strategic Study of CAE 2013, Volume 15, Issue 7,   Pages 33-38

Abstract:

The HY-2A satellite was first launched in August of 2011,the microwaveHY-2A satellite scatterometer used two pencil beam circle scan system, and the radar worked in Ku band

Keywords： HY-2A     radar     scatterometer     backscattering coefficient     calibration    

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HY-2A microwave scatterometer wind retrieval algorithm

Lin Mingsen,Zou Juhong,Xie Xuetong and Zhang Yi

Strategic Study of CAE 2013, Volume 15, Issue 7,   Pages 68-74

Abstract: justify;">The routine wind fields retrieval algorithm for China's microwave scatterometer onboard HY-2A-2A (HY2-SCAT) was developed.Wind vectors observed by HY2-SCAT were evaluated by comparison with NDBC buoy observations and ASCATThe RMS difference was less than 2 m/s or less than 10 % for the comparison of wind speeds and the RMS20 degree for the comparison of wind direction, which indicated that the wind products provided by HY2

Keywords： HY-2A     microwave scatterometer     wind fields retrieval algorithm    

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

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) satelliteAccording to this results, the analysis on HY-2A microwave scatterometer measurement data of the Amazonrainforest region in 2012—2013 have been finished, the results showed that HY-2A satellite scatterometerwhich is consistent with the international research results that seasonal variation characteristic of HY-2A-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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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:

The HY-2A satellite, launched on October 16, 2011 is the first dynamicenvironments satellite in China, carrying the DORIS tracking system which is one of main technologyof precise orbit determination .The method and technological process of DORIS solution of HY-2A POD isstrategy of POD system is showed, finally the result of the MOE radial accuracy for DORIS solution of HY-2A-2A satellite is given in this paper.

Keywords： precise orbit determination     GPS     DORIS     SLR    

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The study on oceanic vector wind field retrieve technique of the HY-2 satellite

Jiang Xingwei,Lin Mingsen

Strategic Study of CAE 2009, Volume 11, Issue 10,   Pages 86-95

Abstract: retrieving oceanic vector wind algorithm and the precision analysis of its error in accordance with the HY-2 satellite's microwave scatterometer was put forward in the paper, and a technical process of dataacquisition, pre-process, wind vector retrieve and production manufacture about the HY-2 satellite microwaveIt will be ready on technology for making a due ontribution once the HY-2 satellite is launched and promotes

Keywords： HY-2 satellite     microwave scatterometer     wind firld retrieve     vector wind filed error analysis    

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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:

The GPS data acquired by the HY-2A satellite GPS receiver have been usedSimultaneous estimation of the HY-2 satellite orbit and GPS orbit was performed using the data in MarchThe resulting HY-2 satellite orbits have been compared with CNES orbits and reduced dynamic orbits for

Keywords： Precise orbit determination     GPS     DORIS     SLR    

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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:

HY-2A is China's first ocean dynamic environment satellite, and itis currently the only one satellite which is capable of all-weather, all-day synchronous access to theHY-2A satellite equips four kinds of active and passive microwave remote sensing load, adopts a new remoteAs the first comprehensive type microwave remote sensing satellite, the realization of HY-2A engineering

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

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Title Author Date Type Operation

HY-2A radar altimeter design and in flight results

Xu Ke,Liu Heguang,Jiang Jingshan

Journal Article

HY-2A satellite radar altimeter error correction algorithm and verification

Zhang Youguan,Jia Yongjun,Fan Chenqing,Zhang Jie and Lin Mingsen

Journal Article

Verification of HY-2 satellite radar altimeter wind retrieval

Jia Yongjun,Zhang Youguang,Lin Mingsen

Journal Article

Active and passive microwave remote sensing technology of the HY-2A ocean satellite mission

Jiang Xingwei,Lin Mingsen,Song Qingtao

Journal Article

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

Wang Zhenzhan,Zhang Dehai,Zhao Jin and Li Yun

Journal Article

Comparison of wind speed from 3 main payloads of HY-2 satellite

Jia Yongjun,Liu Jianqiang,Lin Mingsen,Zhang Youguang

Journal Article

An overview of HY-2A satellite ground application system

Jiang Xingwei,Lin Mingsen,Zhang Youguang

Journal Article

Research on the preprocessing of HY-2A space-borne scatterometer data

Zhang Yi,Lin Minseng,Song Qingtao,Xie Xuetong and Zou Juhong

Journal Article

The system design and application of HY-2A scatterometer

Wang Xiaoning,Liu Lixia,Chen Wenxin

Journal Article

HY-2A microwave scatterometer wind retrieval algorithm

Lin Mingsen,Zou Juhong,Xie Xuetong and Zhang Yi

Journal Article

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

Peng Hailong,Mu Bo,Lin Mingsen,Zhou Wu

Journal Article

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

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

Journal Article

The study on oceanic vector wind field retrieve technique of the HY-2 satellite

Jiang Xingwei,Lin Mingsen

Journal Article

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

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

Journal Article

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

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

Journal Article