Ranging analysis of a moving target based on the dynamic instrument response function

Yixin Zhao; Yixin Zhao; Yixin Zhao; Wei Hao; Wei Hao; Wei Hao; Songmao Chen; Songmao Chen; Yuan Tian; Yuan Tian; Yuan Tian; Xuan Zhang; Xuan Zhang; Xuan Zhang; Weihao Xu; Weihao Xu; Weihao Xu; Zhenyang Zhang; Zhenyang Zhang; Zhenyang Zhang; Jie Wang; Jie Wang; Jie Wang; Xiuqin Su; Xiuqin Su; Xiuqin Su

doi:10.1364/OL.502505

Optics Letters
Vol. 48,
Issue 21,
pp. 5487-5490
(2023)
•https://doi.org/10.1364/OL.502505

Ranging analysis of a moving target based on the dynamic instrument response function

Yixin Zhao, Wei Hao, Songmao Chen, Yuan Tian, Xuan Zhang, Weihao Xu, Zhenyang Zhang, Jie Wang, and Xiuqin Su

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Yixin Zhao, Wei Hao, Songmao Chen, Yuan Tian, Xuan Zhang, Weihao Xu, Zhenyang Zhang, Jie Wang, and Xiuqin Su, "Ranging analysis of a moving target based on the dynamic instrument response function," Opt. Lett. 48, 5487-5490 (2023)

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Abstract

A ranging high-speed moving target with a high accuracy is challenging for a single-photon ranging system (SPRS). In this Letter, the dynamic instrument response function (IRF) is proposed to establish a dynamic discrete model (DDM) by introducing a velocity and a system timing resolution, which leads to better accuracy of cross-correlation results. And with the data of a dynamic Monte Carlo (DMC), the ranging accuracy can be improved with DDM.

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Data underlying the results presented in this paper are not publicly available at this time but may be obtained from the authors upon reasonable request.

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Parameter	Symbol	Value
Signal Period	$T_{o}$	1 µs
Timing Jitter	$T_{j}$	2.5 ns
Acquisition Time	T	0.3 ms
Speed	V	10 km/s
Target Range	D	100 km
Timing Resolution	$T_{R}$	0.5 ns
Dead Time	$T_{d}$	20 ns
Target Cross Section	$S$	0.02 m²
Reflectivity	$ρ$	0.5
Mean Count Rate of the Noise	$C_{n}$	2.7 × 10⁵ cps
Mean Count Rate of the Signal	$C_{s}$	2.82 × 10⁴ cps

Curve Color	Fig. 7(a) $C_{s}$	SNR	Fig. 7(b) $C_{n}$
Curve Color	$C_{n}$ = 2.7 × 10⁵ cps	SNR	$C_{s}$ =2.82 × 10⁴ cps
Red	1.13 × 10⁴ cps	−13.78 dB	6.75 × 10⁵ cps
Green	1.88 × 10⁴ cps	−11.57 dB	4.05 × 10⁵ cps
Black	2.82 × 10⁴ cps	−9.81 dB	2.7 × 10⁵ cps
Blue	5.64 × 10⁴ cps	−6.80 dB	1.35 × 10⁵ cps
Green Blue	1.13 × 10⁵ cps	−3.78 dB	6.75 × 10⁴ cps

Parameter	Symbol	Value
Signal Period	$T_{o}$	1 µs
Timing Jitter	$T_{j}$	2.5 ns
Acquisition Time	T	0.3 ms
Speed	V	10 km/s
Target Range	D	100 km
Timing Resolution	$T_{R}$	0.5 ns
Dead Time	$T_{d}$	20 ns
Target Cross Section	$S$	0.02 m²
Reflectivity	$ρ$	0.5
Mean Count Rate of the Noise	$C_{n}$	2.7 × 10⁵ cps
Mean Count Rate of the Signal	$C_{s}$	2.82 × 10⁴ cps

Curve Color	Fig. 7(a) $C_{s}$	SNR	Fig. 7(b) $C_{n}$
Curve Color	$C_{n}$ = 2.7 × 10⁵ cps	SNR	$C_{s}$ =2.82 × 10⁴ cps
Red	1.13 × 10⁴ cps	−13.78 dB	6.75 × 10⁵ cps
Green	1.88 × 10⁴ cps	−11.57 dB	4.05 × 10⁵ cps
Black	2.82 × 10⁴ cps	−9.81 dB	2.7 × 10⁵ cps
Blue	5.64 × 10⁴ cps	−6.80 dB	1.35 × 10⁵ cps
Green Blue	1.13 × 10⁵ cps	−3.78 dB	6.75 × 10⁴ cps

Abstract

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Equations (15)

Optics Letters