Receiver group delay measurement technology based on carrier phase

被引：0

作者：

Wang F. ^{[1
]}

Xiao Z. ^{[1
]}

Li P. ^{[1
]}

Zhang K. ^{[1
]}

Ni S. ^{[1
]}

机构：

[1] College of Electronic Science and Technology, National University of Defense Science and Technology, Changsha

来源：

Xi Tong Gong Cheng Yu Dian Zi Ji Shu/Systems Engineering and Electronics | 2022年 / 44卷 / 04期

关键词：

Carrier phase; Group delay measurement; Integer ambiguity; Narrow-band spread spectrum signal;

D O I：

10.12305/j.issn.1001-506X.2022.04.02

中图分类号：

学科分类号：

摘要：

Aiming at the problem that the traditional group delay measurement method cannot meet the picosecond measurement accuracy requirements, a receiver group delay measurement technology based on carrier phase is proposed. Under the assumption that the delay characteristics of the channel group are piecewise parabola, this method uses the carrier phase view measurement of the narrow-band spread spectrum signal to search and fix the piecewise coefficient, and fix the integer ambiguity through the fixed parabola coefficient to reflect the group delay of each point with the carrier phase. The simulation shows that the measurement technology can accurately fix the integer ambiguity, and the group delay measurement results can reach the picosecond requirements, which has good measurement effect on the group delay of high precision navigation receivers. © 2022, Editorial Office of Systems Engineering and Electronics. All right reserved.

引用

页码：1078 / 1084

页数：6

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