Footprint Location Prediction Method of ZY3-02 Altimeter

doi:10.11947/j.AGCS.2017.20160639

Abstract

Abstract: On-orbit geometric calibration is an essential way to improve plane and elevation accuracy of laser altimeter data, and the laser footprint location prediction is a prerequisite for calibration based on land infrared detector. This paper builds a laser footprint location prediction model for China's first space-borne laser altimeter carried by ZY3-02, which refers to the satellite optical camera rigorous geometry imaging model. The model takes full account of the law of platform movement, and correlates laser emission center with ground footprint point. We get the precise predicted laser pointing by Pyramid terrain matching, ephemerisby acceleration prediction, and attitude by frequency analysis. The laser footprint location can be predicted. This laser footprint location prediction model were successfully applied in the calibration test of the laser altimeter on ZY3-02 satellite, and the maximum error between the predicted location and real footprint location obtained by triggered detectors is less than 150 m, which proves the validity of the proposed model. The proposed method provides the precise point-to-point prediction from satellite to ground for Chinese remote sensing satellite, and offers a technological support for the space-borne laser altimeter calibration in future.

Key words: laser altimeter, laser footprint, rigorous geometric positioning prediction model, pointing prediction, orbit prediction, attitude prediction

CLC Number:

P236

TANG Xinming, XIE Junfeng, MO Fan, ZHU Guangbin, DOU Xianhui, ZHANG Qiang, LI Guoyuan, OUYANG Sida. Footprint Location Prediction Method of ZY3-02 Altimeter[J]. Acta Geodaetica et Cartographica Sinica, 2017, 46(7): 866-873.

References

[1] 唐新明, 李国元, 高小明, 等. 卫星激光测高严密几何模型构建及精度初步验证[J]. 测绘学报, 2016, 45(10): 1182-1191. DOI: 10.11947/j.AGCS.2016.20150357. TANG Xinming, LI Guoyuan, GAO Xiaoming, et al. The Rigorous Geometric Model of Satellite Laser Altimeter and Preliminarily Accuracy Validation[J]. Acta Geodaetica et Cartographica Sinica, 2016, 45(10): 1182-1191. DOI: 10.11947/j.AGCS.2016.20150357.
[2] LI Guoyuan, TANG Xinming, GAO Xiaoming, et al. Improve the ZY-3 Height Accuracy Using Icesat/glas Laser Altimeter Data[J]. International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2016, XLI-B1: 37-42.
[3] 范大昭. 航天线阵传感器在轨几何标定的理论和技术[D]. 北京: 北京大学, 2010: 6-20. FAN Dazhao. Theory and Techniques for On-orbit Geometric Calibration of Space Linear Sensors[D]. Beijing: Peking University, 2010: 6-20.
[4] 蒋永华, 张过, 唐新明, 等. 资源三号测绘卫星三线阵影像高精度几何检校[J]. 测绘学报, 2013, 42(4): 523-529, 553. JIANG Yonghua, ZHANG Guo, TANG Xinming, et al. High Accuracy Geometric Calibration of ZY-3 Three-line Image[J]. Acta Geodaetica et Cartographica Sinica, 2013, 42(4): 523-529, 553.
[5] SCHUTZ B E, ZWALLY H J, SHUMAN C A, et al. Overview of the ICESat Mission[J]. Geophysical Research Letters, 2005, 32(21). DOI: 10.1029/2005GL024009.
[6] LUTHCKE S B, ROWLANDS D D, WILLIAMS T A, et al. Reduction of ICESat Systematic Geolocation Errors and the Impact on Ice Sheet Elevation Change Detection[J]. Geophysical Research Letters, 2005, 32(21). DOI: 10.1029/2005GL023689.
[7] MARTIN C F, THOMAS R H, KRABILL W B, et al. ICESat Range and Mounting Bias Estimation over Precisely-surveyed Terrain[J]. Geophysical Research Letters, 2005, 32(21): L21S05.
[8] MAGRUDER L A, SCHUTZ B E, SILVERBERG E C. Laser Pointing Angle and Time of Measurement Verification of the ICESat Laser Altimeter Using a Ground-based Electro-optical Detection System[J]. Journal of Geodesy, 2003, 77(3-4): 148-154.
[9] MAGRUDER L A, SULEMAN M A, SCHUTZ B E. ICESat Laser Altimeter Measurement Time Validation System[J]. Measurement Science and Technology, 2003, 14(11): 1978-1985.
[10] MAGRUDER L A, SILVERBERG E, Webb C, et al. In Situ Timing and Pointing Verification of the ICESat Altimeter Using a Ground-based System[J]. Geophysical Research Letters, 2005, 32(21). DOI: 10.1029/2005GL023504.
[11] MAGRUDER L A, WEBB C E, URBAN T J, et al. ICESat Altimetry Data Product Verification at White Sands Space Harbor[J]. IEEE Transactions on Geoscience and Remote Sensing, 2007, 45(1): 147-155.
[12] SCHUTZ B E. GLAS Altimeter Post-launch Calibration/Validation Plan[D]. Texas: University of Texas, 2001: 45-53.
[13] MAGRUDER L A, RICKLEFS R L, SILVERBERG E C, et al. ICESat Geolocation Validation Using Airborne Photography[J]. IEEE Transactions on Geoscience and Remote Sensing, 2010, 48(6): 2758-2766.
[14] 马跃, 阳凡林, 易洪, 等. 对地观测星载激光测高仪在轨姿态系统误差检校方法[J]. 红外与激光工程, 2015, 44(8): 2401-2405. MA Yue, YANG Fanlin, YI Hong, et al. Calibration Method of On-orbit Attitude Systematic Error for Spaceborne Laser Altimeter of Earth Observation[J]. Infrared and Laser Engineering, 2015, 44(8): 2401-2405.
[15] 唐新明, 张过, 祝小勇, 等. 资源三号测绘卫星三线阵成像几何模型构建与精度初步验证[J]. 测绘学报, 2012, 41(2): 191-198. TANG Xinming, ZHANG Guo, ZHU Xiaoyong, et al. Triple Linear Array Imaging Geometry Model of Ziyuan-3 Surveying Satellite and Its Validation[J]. Acta Geodaetica et Cartographica Sinica, 2012, 41(2): 191-198.
[16] MAGRUDER L A. Pointing Angle and Timing Verification of the Geoscience Laser Altimeter Using a Ground-based Detection System[D]. Texas: University of Texas, 2001: 14-39.
[17] 汤靖师, 刘林. 低轨航天器长期轨道预报的初步研究[J]. 飞行器测控学报, 2014, 33(1): 59-64. TANG Jingshi, LIU Lin. On Long-term Prediction for Low Earth Orbit Spacecraft[J]. Journal of Spacecraft TT&C Technology, 2014, 33(1): 59-64.
[18] 王文彬, 刘荣芳. 基于经验加速度的低轨卫星轨道预报新方法[J]. 空间科学学报, 2015, 35(6): 715-720. WANG Wenbin, LIU Rongfang. A New Method of Orbit Prediction for LEO Satellites Using Empirical Accelerations[J]. Chinese Journal of Space Science, 2015, 35(6): 715-720.
[19] TONG Xiaohua, XU Yusheng, YE Zhen et al. Attitude Oscillation Detection of the ZY-3 Satellite by Using Multispectral Parallax Images[J]. IEEE Transactions on Geoscience and Remote Sensing, 2015, 53(6): 3522-3534.
[20] TONG Xiaoua, YE Zhen, XU Yusheng, et al. Framework of Jitter Detection and Compensation for High Resolution Satellites[J]. Remote Sensing, 2014, 6(5): 3944-3964.
[21] TADONO T, ISHIDA H, ODA F, et al. Precise Global DEM Generation by ALOS PRISM[J]. ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2014, Ⅱ-4: 71-76.