Temporal and spatial domain detection model and method of infrared photoelectric detection target

Xiaoqian Zhang; Hanshan Li; Junchai Gao

doi:10.1364/AO.427671

Applied Optics
Vol. 60,
Issue 24,
pp. 7437-7445
(2021)
•https://doi.org/10.1364/AO.427671

Temporal and spatial domain detection model and method of infrared photoelectric detection target

Xiaoqian Zhang, Hanshan Li, and Junchai Gao

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Xiaoqian Zhang, Hanshan Li, and Junchai Gao, "Temporal and spatial domain detection model and method of infrared photoelectric detection target," Appl. Opt. 60, 7437-7445 (2021)

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Abstract

To improve the detection ability of photoelectric detection targets under low-illumination conditions, based on the traditional infrared photoelectric detection targets, in this paper, we propose a design method for an infrared detection screen by using a double high-power line laser interactive layout auxiliary mode, and we form an active infrared photoelectric detection target. We then establish the calculations of the laser beam’s illumination and the emission power of the pulse laser as a projectile passes through the infrared detection screen. According to the relation of the thickness of the infrared detection screen, the time period over which the projectile passes through the infrared detection screen, and the projectile’s spatial position, we use the grid division method to establish the temporal- and spatial-domain echo power model and the output signal voltage function of the active infrared photoelectric detection target. Through calculations and experimental analysis, it is found that the echo power is reduced as the detection distance is increased, and the intensity of the echo power is not linear with the thickness of the detection screen or the length of the projectile in the temporal and spatial domains. The detection performance of the proposed active infrared photoelectric detection target is better than the traditional infrared photoelectric detection target, and it can be improved to a certain extent by increasing the laser emission power appropriately.

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Data Availability

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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Equations (8)

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No.	$P (x, y)$		$V_{o u t} / V$	No.	$P (x, y)$		$V_{o u t} / V$
1	−0.17	0.46	9.25	6	−0.18	2.13	3.47
2	−0.23	0.77	9.46	7	0.13	2.38	2.58
3	0.04	1.03	8.03	8	0.07	2.62	1.83
4	0.21	1.42	6.59	9	−0.14	2.94	—
5	−0.07	1.61	5.61	10	0.06	3.18	—

No.	$P (x, y)$		$V_{o u t} / V$	No.	$P (x, y)$		$V_{o u t} / V$
1	0.06	0.51	9.34	6	−0.09	2.08	3.69
2	−0.15	0.82	9.52	7	−0.05	2.42	2.71
3	−0.12	1.09	8.17	8	0.24	2.59	2.05
4	0.08	1.38	6.82	9	0.03	2.82	1.41
5	0.15	1.68	5.78	10	−0.11	3.21	—

No.	$P (x, y)$		$V_{o u t} / V$	No.	$P (x, y)$		$V_{o u t} / V$
1	0.09	0.52	9.37	6	−0.15	2.12	8.45
2	−0.16	0.83	9.51	7	0.04	2.35	8.29
3	0.11	1.46	9.18	8	0.09	2.81	7.84
4	0.13	1.78	8.76	9	0.14	3.13	7.26
5	0.07	1.91	8.51	10	−0.03	3.49	6.93

No.	$P (x, y)$		$V_{o u t} / V$	No.	$P (x, y)$		$V_{o u t} / V$
1	−0.01	0.48	10.29	6	0.02	2.43	9.21
2	0.12	0.89	10.55	7	0.13	2.72	8.93
3	0.07	1.50	10.21	8	−0.05	3.08	8.54
4	−0.08	1.81	9.82	9	0.11	3.42	7.93
5	0.14	2.09	9.45	10	0.17	3.54	7.87

No.	$P (x, y)$		$V_{o u t} / V$	No.	$P (x, y)$		$V_{o u t} / V$
1	0.11	0.47	11.08	6	−0.31	2.38	10.03
2	−0.03	1.01	11.51	7	0.17	2.87	9.54
3	0.21	1.52	11.09	8	−0.06	2.91	9.41
4	0.16	1.85	10.74	9	0.25	3.64	8.85
5	−0.04	2.29	10.19	10	0.14	3.59	8.69

No.	$V_{1}$	$V_{2}$	$V_{3}$	$V_{4}$
1	10.03	9.26	9.82	10.16
2	10.86	10.07	10.25	10.74
3	10.15	9.85	10.08	10.83
4	10.01	9.42	9.68	9.95
5	9.56	8.93	9.06	9.71
6	9.13	8.35	8.48	9.05
7	8.57	7.86	7.98	8.46
8	8.15	7.32	7.42	8.26

No.	$x$	$y$	$v$
1	0.25	0.43	152.6
2	0.06	0.88	147.1
3	−0.13	1.26	139.2
4	0.17	1.94	146.9
5	−0.03	2.42	151.8
6	−0.15	2.84	142.7
7	0.18	3.15	148.3
8	−0.12	3.46	138.5

Abstract

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Tables (7)

Equations (8)

Applied Optics