Polarization Characteristic of Scattered Beam from Object

Journal of Atmospheric and Environmental Optics ›› 2014, Vol. 9 ›› Issue (4): 289-294.

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Polarization Characteristic of Scattered Beam from Object

GAN Gui-hua

(Electronic Engineering Institute，Hefei 230037，China)

Received:2013-09-29 Revised:2013-12-18 Online:2014-07-24 Published:2014-07-24

Abstract

Abstract:

The reflectivity, polarization degree, intensity contrast and polarization contrast of s light and p light which scattered from aluminous plane and concrete floor, were theoretically calculated based on the specular reflected model at visible and near infrared under natural illumination condition. The results of calculation and analysis indicated that the polarization characteristics of object were determined by the difference of reflected capabilities of s light and p light. Then the difference was influenced by incident angle, wavelength, the surface roughness of object and the refractive index of the material. And the intensity contrast and polarization contrast were influenced by them firsthand. Consequently, the surface characteristics of object and background are of great significance for object detection and recognition in the mix natural background.

Key words: reflectivity, polarization degree, intensity contrast, polarization contrast

CLC Number:

O436.3

GAN Gui-Hua. Polarization Characteristic of Scattered Beam from Object[J]. Journal of Atmospheric and Environmental Optics, 2014, 9(4): 289-294.

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Polarization Characteristic of Scattered Beam from Object

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