Inversion of complex refractive index for rough-surface objects

Yong-hong, 战永红 Zhan; Qing, 刘卿 Liu; Di, 杨迪 Yang; Ya-ping, 王雅萍 Wang

doi:10.3788/ope.20152308.2178

Cited by 6 publications

(1 citation statement)

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“…It can obtain the degree and the angle of linear polarization, not just the radiance. The polarization information has a multitude of applications in many fields, including agriculture, military reconnaissance, meteorological environment monitoring and other fields [1][2][3]. At present, most of the detection instruments used for polarization remote sensing are the first-generation polarization detection systems.…”

Section: Introductionmentioning

confidence: 99%

On-Orbit Polarization Calibration for Multichannel Polarimetric Camera

et al. 2019

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In this paper, a new on-orbit polarization calibration method for the multichannel polarimetric camera is presented. A polarization calibration model for the polarimetric camera is proposed by taking analysis of the polarization radiation transmission process. In order to get the polarization parameters in the calibration model, an on-orbit measurement scheme is reported, which uses a solar diffuser and a built-in rotatable linear analyzer. The advantages of this scheme are sharing the same calibration assembly with the radiometric calibration and acquiring sufficient polarization accuracy. The influence of the diffuser for the measurement is analyzed. By using a verification experiment, the proposed method can achieve on-orbit polarization calibration. The experimental results show that the relative deviation for the measured degree of linear polarization is 0.8% at 670 nm, which provides a foundation for the accurate application of polarimetric imaging detection.

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Section: Introductionmentioning

confidence: 99%