An on-orbit calibration method for time delay of inter-satellite link transponder in tracking and data relay satellite

被引：1
|
作者：
Wang, Lei [1 ,2 ]
Tong, Kaixiang [2 ]
Yang, Jingyu [1 ]
Chen, Xiang [3 ]
机构：
[1] Natl Def Univ, Beijing, Peoples R China
[2] Beijing Space Informat Relay & Transmiss Technol C, Beijing, Peoples R China
[3] Sun Yat Sen Univ, Guangzhou, Peoples R China
来源：
ELECTRONICS LETTERS | 2023年 / 59卷 / 15期
基金：
中国国家自然科学基金;
关键词：
calibration; satellite communication; satellite links; satellite tracking; transponders;
D O I：
10.1049/ell2.12906
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The tracking and data relay satellite (TDRS) in geosynchronous orbit (GEO) can provide ranging and communication services for user spacecraft in low Earth orbit (LEO) through the inter-satellite link (ISL). The time delay of TDRS ISL transponder in orbit differs from its pre-launch state and changes due to the complex space environment, adding significant errors to the user spacecraft's orbit determination based on four-way ranging data. The authors have developed a calibration system and proposed an efficient on-orbit calibration method for the ISL transponder's time delay in TDRS. Experimental results demonstrate the effectiveness of the authors' method, and the RMS of calibration residuals is less than 0.5 m.
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收藏
页数：3
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