General Model for Calculating Infrared-Radiation Intensity of Aerial Target and Its Application

Yuanxing He; Haoyuan Zhang; Wentao Si; Tongbang Wu; Junlian Cheng

doi:10.3788/AOS201939.0612007

Acta Optica Sinica, Volume. 39, Issue 6, 0612007(2019)

General Model for Calculating Infrared-Radiation Intensity of Aerial Target and Its Application

Yuanxing He^*, Haoyuan Zhang, Wentao Si, Tongbang Wu, and Junlian Cheng

Author Affiliations

95859 Army Unit PLA, Jiuquan, Gansu 735018, China

show less

Abstract Get PDF(in Chinese)

Figures & Tables(7)

Fig. 1. Imaging sketch of target on focal plane array infrared detector

Download full size

Fig. 2. Variations of target slope distance and observational elevation angle with time

Download full size

Fig. 3. Variation of middle infrared atmospheric apparent radiation intensity with diameter of target

Download full size

Fig. 4. Variation of long infrared atmospheric apparent radiation intensity with diameter of target

Download full size

Table 1. Middle- and long-wave infrared atmospheric apparent radiation intensity of different geometry targets and its proportion

View table

Table 1. Middle- and long-wave infrared atmospheric apparent radiation intensity of different geometry targets and its proportion

Target diameter /m	Target image size /pixel	Mid-wave infrared radiation (3.7-4.8 μm)			Long-wave infrared radiation (8.0-9.2 μm)
Target diameter /m	Target image size /pixel	Δ /(W·sr^-1)	I_theory /(W·sr^-1)	$\frac{Δ}{I_{theory}}$ /%	Δ /(W·sr^-1)	I_theory /(W·sr^-1)		$\frac{Δ}{I_{theory}}$ /%
0.3	1	0.00086		0.05			1.72		0.052	0.56	9.29
0.5	2	0.00240		0.14			1.71		0.145	1.55	9.35
1.0	3	0.00950		0.55			1.73		0.580	6.19	9.37
2.0	9	0.03820		2.20			1.74		2.320	24.74	9.38
3.0	13	0.08600		4.96			1.73		5.220	55.67	9.38
5.0	22	0.24000		13.77			1.74		14.490	154.64	9.37
8.0	35	0.61000		35.26			1.73		37.100	395.87	9.37

Table 2. Calculation results of dynamic test data of middle-wave infrared small target

View table

Table 2. Calculation results of dynamic test data of middle-wave infrared small target

No.	Target distance /km	Elevation angle /(°)	Target altitude /km	Mid-wave infrared radiation intensity /(W·sr^-1)
1	18	15.20	4.71	0.2636
2	17	16.20	4.73	0.2617
3	16	17.19	4.72	0.2698
4	15	18.42	4.73	0.2751
5	14	19.82	4.74	0.2818
6	13	21.37	4.73	0.2970

Table 3. Calculation results of dynamic test data for extended target

View table

Table 3. Calculation results of dynamic test data for extended target

No.	Target distance /km	Elevation angle /(°)	Target altitude /km	Image size /(pixel×pixel)	Mid-wave infrared radiation intensity /(W·sr^-1)	Long-wave infrared radiation intensity /(W·sr^-1)
1	9.7	29.3	4.740	30×30	0.5534	9.8829
2	9.8	29.0	4.739	30×30	0.5900	9.8769
3	9.9	28.7	4.742	30×30	0.5462	9.3779
4	10.0	28.3	4.728	30×30	0.5261	9.7281
5	10.1	27.9	4.726	30×30	0.5373	9.5847

Tools

Get Citation

Copy Citation Text

Yuanxing He, Haoyuan Zhang, Wentao Si, Tongbang Wu, Junlian Cheng. General Model for Calculating Infrared-Radiation Intensity of Aerial Target and Its Application[J]. Acta Optica Sinica, 2019, 39(6): 0612007

Download Citation

EndNote(RIS)BibTex Plain Text

Set citation alerts for article

Save article for my favorites

Paper Information

Category: Instrumentation, Measurement and Metrology

Received: Dec. 12, 2018

Accepted: Mar. 14, 2019

Published Online: Jun. 17, 2019

The Author Email: He Yuanxing (yuanxing-he@163.com)

DOI:10.3788/AOS201939.0612007

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology