Coherent Optical Communication Speed Measurement Method Based on Modulated Code Element Doppler Frequency Measurement

Quan Zhang; Qingchen Xu; Xiong Hu; Xiaocheng Wu; Junfeng Yang

doi:10.3788/LOP231276

Laser & Optoelectronics Progress, Volume. 61, Issue 9, 0906003(2024)

Coherent Optical Communication Speed Measurement Method Based on Modulated Code Element Doppler Frequency Measurement

Quan Zhang^1,2,3,4, Qingchen Xu^1,3,4、*, Xiong Hu^1,3,4, Xiaocheng Wu^1,3,4, and Junfeng Yang^1,3,4

Author Affiliations

¹National Space Science Center, Chinese Academy of Sciences, Beijing 100190, China

²University of Chinese Academy of Sciences, Beijing 100190, China

³State Key Laboratory of Space Weather, Beijing 100190, China

⁴Key Laboratory of Science and Technology on Environmental Space Situation Awareness, Chinese Academy of Sciences, Beijing 100190, China

show less

Abstract Get PDF(in Chinese)

Figures & Tables(5)

Fig. 1. Schematic of coherent optical communication velocity measurement method based on modulated code element Doppler measurement

Download full size

Fig. 2. A case of simulation of the whole flow of velocity measurement method. (a) Baseband signal in-phase component waveform; (b) initial removal of jump waveforms; (c) phase-continuous Doppler signal output; (d) phase linear fitting results ( $k_{d} = 45.9061$ )

Download full size

Fig. 3. Velocity measurement error of 400 s duration simulation signal

Download full size

Fig. 4. Doppler frequency measurement results and velocity measurement errors of radial velocity linear change signal. (a) Doppler frequency measurement results; (b) velocity measurement error

Download full size

Table 1. Simulation results of velocity measurement uncertainty under different signal-to-noise ratio, radial velocity and velocity change rate

View table

Table 1. Simulation results of velocity measurement uncertainty under different signal-to-noise ratio, radial velocity and velocity change rate

$a / (m \cdot s^{- 2})$	$R_{S N} / d B$	$v / (k m \cdot s^{- 1})$	$σ_{v} / (m m \cdot s^{- 1})$
0	10.5	11.625	9.23
		11.025	9.30
		10.425	9.24
	11.3	11.625	8.87
		10.825	8.90
		6.425	8.83
	12.5	11.025	7.89
		8.000	7.75
		0.825	8.02
6.6	10.5	‒	9.81
	10.7	‒	8.93
	12.5	‒	8.11
12.6	10.9	‒	8.83
	11.3	‒	8.42
	11.7	‒	7.92
15.6	12.1	‒	7.72
15.6	12.5	‒	7.81

Tools

Get Citation

Copy Citation Text

Quan Zhang, Qingchen Xu, Xiong Hu, Xiaocheng Wu, Junfeng Yang. Coherent Optical Communication Speed Measurement Method Based on Modulated Code Element Doppler Frequency Measurement[J]. Laser & Optoelectronics Progress, 2024, 61(9): 0906003

Download Citation

EndNote(RIS)BibTex Plain Text

Set citation alerts for article

Save article for my favorites

Paper Information

Category: Fiber Optics and Optical Communications

Received: May. 11, 2023

Accepted: Jun. 30, 2023

Published Online: May. 6, 2024

The Author Email: Qingchen Xu (xqc@nssc.ac.cn)

DOI:10.3788/LOP231276

CSTR:32186.14.LOP231276

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology