Error Analysis of Intersatellite Laser Interferometric Ranging System for Next Generation Low-Low Tracking Gravimetry

Zhongke Jiao; Dengfeng Wang; Xin Yao; Shuai Ren; Xuan Liu; Guoyong Wang; Xingwang Zhong

doi:10.3788/LOP202158.2112001

Journals >Laser & Optoelectronics Progress >Volume 58 >Issue 21 >Page 2112001 > Article

Laser & Optoelectronics Progress
Vol. 58, Issue 21, 2112001 (2021)

Error Analysis of Intersatellite Laser Interferometric Ranging System for Next Generation Low-Low Tracking Gravimetry

Zhongke Jiao^*, Dengfeng Wang, Xin Yao, Shuai Ren, Xuan Liu, Guoyong Wang, and Xingwang Zhong

Author Affiliations

Institute of Satellite Navigation and Inter Satellite Link Technology, China Academy of Space Technology (Xi'an), China Aerospace Science and Technology Corporation, Xi'an , Shaanxi 710100, China

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DOI: 10.3788/LOP202158.2112001 Cite this Article Set citation alerts

Zhongke Jiao, Dengfeng Wang, Xin Yao, Shuai Ren, Xuan Liu, Guoyong Wang, Xingwang Zhong. Error Analysis of Intersatellite Laser Interferometric Ranging System for Next Generation Low-Low Tracking Gravimetry[J]. Laser & Optoelectronics Progress, 2021, 58(21): 2112001 Copy Citation Text

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Fig. 1. Composition and working principle of an intersatellite laser interferometric ranging system

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Fig. 2. Schematic of the measurement principle of an intersatellite laser interferometric ranging system

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Number	Error term	Value /（nm⋅Hz^-1/2@0.1 Hz）
Ranging error of a laser interferometric ranging system（Root-Sum-Squares）		7.5
1	Frequency noise of a laser source	5.3
2	Time marking noise	0.3
3	Heterodyne frequency noise	$1.4 \times 10^{- 6}$
4	Intensity noise of a laser source	$5 \times 10^{- 2}$
5	Optical bench noise	2.97
6	Laser pointing noise	1.6
7	Signal measurement noise	$3.4 \times 10^{- 2}$
8	Phase measurement noise	3.3
9	System design margin	2

Table 1. Numerical analysis of single-range error

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