双星串飞编队卫星测高模式下高度计相对定标

管斌; 孙中苗; 刘晓刚; 翟振和

doi:10.11947/j.AGCS.2017.20160050

测绘学报 >

2017 , Vol. 46 >Issue 1: 44 - 52

DOI: https://doi.org/10.11947/j.AGCS.2017.20160050

大地测量学与导航

双星串飞编队卫星测高模式下高度计相对定标

管斌 ,
孙中苗 ,
刘晓刚 ,
翟振和

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1. 信息工程大学地理空间信息学院, 河南郑州 450052;
2. 地理信息工程国家重点实验室, 陕西西安 710054;
3. 西安测绘研究所, 陕西西安 710054;
4. 信息工程大学军事测绘导航工程军队重点实验室, 河南郑州 450052

管斌(1988-),男,硕士,工程师,主要研究方向为卫星测高。E-mail:pershingb@gmail.com

收稿日期: 2016-02-03

修回日期: 2016-10-25

网络出版日期: 2017-02-06

基金资助

国家自然科学基金（41174017；41304022）；军事测绘导航工程军队重点实验室开放基金

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Relative Calibration of Altimeters under Dual-satellite Formation Flying Altimetry Mode

GUAN Bin ,
SUN Zhongmiao ,
LIU Xiaogang ,
ZHAI Zhenhe

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1. Institute of Geography Spatial Information, Information Engineering University, Zhengzhou 450052, China;
2. State Key Laboratory of Geo-information Engineering, Xi'an 710054, China;
3. Xi'an Research Institute of Surveying and Mapping, Xi'an 710054, China;
4. Military Key Laboratory of Surveying, Mapping and Navigation of Engineering, Information Engineering University, Zhengzhou 450052, China

Received date: 2016-02-03

Revised date: 2016-10-25

Online published: 2017-02-06

Supported by

The National Natural Science Foundation of China (Nos. 41174017;41304022);Open Foundation of Military Key Laboratory of Surveying, Mapping and Navigation of Engineering

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摘要

提出了一种新型双星串飞编队卫星测高模式下高度计之间的相对定标方法，给出了计算高度计相对偏差的完整公式；采用Jason-2卫星数据，对相对偏差计算公式中的各误差项进行了功率谱分析以及差分序列的统计分析；以厘米级定标精度为前提，简化了相对偏差计算公式并进行了误差预估。结果表明，相对偏差中各误差项均呈现低频特性，相对偏差误差主要与两颗卫星的相对径向轨道误差、测距误差、海况偏差及两星下比较点间的水准面高差相关，单次飞行高度计之间相对偏差的精度约为1.99 cm。

关键词： 双星编队; 卫星测高; 相对定标; 功率谱估计; 海面高

本文引用格式

管斌 , 孙中苗 , 刘晓刚 , 翟振和 . 双星串飞编队卫星测高模式下高度计相对定标[J]. 测绘学报, 2017 , 46(1) : 44 -52 . DOI: 10.11947/j.AGCS.2017.20160050

Abstract

A relative calibration method used in a novel dual-satellite formation flying altimetry mode is proposed, and a complete formula for calculating relative bias between altimeters is presented. Power spectrum analysis of each correction term in relative bias calculation formula and statistical analysis of differential sequences are respectively conducted with Jason-2 altimetry data. Under the premise that a centimeter level calibration accuracy is ensured, the formula is simplified and error budget is made. The results show that all correction items have low frequency characteristic, and the relative bias error is mainly related to the relative radial orbit error between two satellites, range error, sea state bias as well as the differential geoid height error between two comparison points. As for single overflight, the accuracy of relative bias between two altimeters is about 1.99 cm.

Key words： dual-satellite formation; satellite altimetry; relative calibration; power spectrum estimation; sea surface height

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