Laser & Optoelectronics Progress, Volume. 55, Issue 5, 051101(2018)
Hyperspectral Polarization Characteristics of Typical Camouflage Target Under Desert Background
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Fig. 2. Imaging system of divided aperture simultaneous type hypersepctral polarization. (a) Physical map; (b) position of main filed of view
Fig. 3. Design diagram of divided aperture simultaneous type hyperspectral polarization imaging system
Fig. 4. Experiment samples. (a) Desert camouflage net; (b) desert camouflage board; (c) shrinkage ratio target of tank; (d) shrinkage ratio target of Hummer
Fig. 7. Relative reflectance spectra of desert camouflage net under different illuminations. (a) Relative reflectance spectra of synthetic intensity; (b) relative reflectance spectra of polarization degree
Fig. 8. Relative reflectance spectra of desert camouflage board under different illuminations. (a) Relative reflectance spectra of synthetic intensity; (b) relative reflectance spectra of polarization degree
Fig. 9. Relative reflectance spectra of shrinkage ratio target of tank under different illuminations. (a) Relative reflectance spectra of synthetic intensity; (b) relative reflectance spectra of polarization degree
Fig. 10. Relative reflectance spectra of shrinkage ratio target of Hummer under different illuminations. (a) Relative reflectance spectra of synthetic intensity; (b) relative reflectance spectra of polarization degree
Fig. 11. Relative reflectance spectra of desert camouflage net under different observation angles. (a) Relative reflectance spectra of synthetic intensity; (b) relative reflectance spectra of polarization degree
Fig. 12. Relative reflectance spectra of desert camouflage board under different observation angles. (a) Relative reflectance spectra of synthetic intensity; (b) relative reflectance spectra of polarization degree
Fig. 13. Relative reflectance spectra of shrinkage ratio target of tank under different observation angles. (a) Relative reflectance spectra of synthetic intensity; (b) relative reflectance spectra of polarization degree
Fig. 14. Relative reflectance spectra of shrinkage ratio target of Hummer under different observation angles. (a) Relative reflectance spectra of synthetic intensity; (b) relative reflectance spectra of polarization degree
Table 1. Main performance indexes of divided aperture simultaneous type hyperspectral polarization imaging system
View tableTable 1. Main performance indexes of divided aperture simultaneous type hyperspectral polarization imaging system
Serial number Parameter Parameter value or property 1 Spectral range /nm 450-950 2 Spectral resolution /nm 2-8 3 Field angle /(°) 6 4 Polarization direction /(°) 0,60,120 5 Quantized value /bit 12 6 Frame frequency /(frame·s-1) Maximum 20 7 Detection range /km Superior to 1 (fine weather) 8 Process mode Fusion process spectral and polarization 9 Imaging power /W 35.6 10 Standby power /W 6 11 Spectral switch elapsed time /ms 0.1 12 Focal length /mm 78 13 Clear aperture /mm×mm 8×8 14 Optical probe size /mm×mm×mm 260×220×240 15 Linear polarization range /nm 350-2300
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Xiaolong Wang, Feng Wang, Xiao Liu, Yujian Cao, Jintao Yu. Hyperspectral Polarization Characteristics of Typical Camouflage Target Under Desert Background[J]. Laser & Optoelectronics Progress, 2018, 55(5): 051101
Paper Information
Category: Imaging Systems
Received: Oct. 24, 2017
Accepted: --
Published Online: Sep. 11, 2018
The Author Email: Wang Xiaolong (wxlaiwoqin@163.com)
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