Calibration accuracy analysis of satellite channel zero-value based on TtC measurement

被引：0
|
作者：
Zhu Feng [1 ,2 ]
Li Xiaohui [1 ,2 ]
Li Dandan [1 ,2 ,3 ]
Li Bo [1 ,2 ,3 ]
机构：
[1] Chinese Acad Sci, Natl Time Serv Ctr, Xian 710600, Shaanxi, Peoples R China
[2] Chinese Acad Sci, Key Lab Precise Nav & Timing Technol, Xian 710600, Shaanxi, Peoples R China
[3] Chinese Acad Sci, Grad Univ, Beijing 100039, Peoples R China
来源：
PROCEEDINGS OF 2017 13TH IEEE INTERNATIONAL CONFERENCE ON ELECTRONIC MEASUREMENT & INSTRUMENTS (ICEMI), VOL 1 | 2017年
关键词：
TtC; zero-value; calibration accuracy; pseudo-satellite; RMS;
D O I：
暂无
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 calibration result of satellite channel zero-value through TtC measurement is directly related to the users' positioning and timing performance in navigation system. The paper proposes the concept of pseudo-satellite channel zero-value calibration that using a satellite signal simulator replaces the real satellite for testing, which mainly analyzes the calibration accuracy of TtC measurement. Using a delay-line instead of simulator adjustment to eliminate the system error the calibration accuracy decreases about 0.05ns on the original basis of 0.38ns. Through the testing comparison we can see the oscilloscope is better than the carrier phase receiver, with the calibration accuracy from 0.32ns up to 0.78ns.
引用
收藏
页码：552 / 555
页数：4
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