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中文摘要：
提出了一种采用基于视场补偿型Savart偏光镜的新型偏振干涉成像光谱仪对二维目标偏振信息进行空间遥感探测的新原理和新方法.在新型偏振干涉成像光谱仪光学系统不变的情况下,通过旋转偏振干涉仪分别测出了三个不同角度下像面上各像点的光强值,反演出了二维面目标的斯托克斯矢量,并给出了各像点偏振度和偏振方向的理论表达式.采用计算机模拟实验对该探测原理和方法进行了验证,所得结果与理论完全符合.从理论和实践上扩展了干涉成像光谱仪的探测功能,与目前国内外所研究的成像光谱仪相比,该成像光谱仪既能同时探测目标二维空间信息和一维光谱信息,又提供了一种获得目标偏振信息的手段和方法.
英文摘要：
A new spaceborne remote sensing principle and method of two-dimensional object polarization measurement,which is based on the novel polarization interference imaging spectrometer （ NPIIS） using the field of view compensated Savart polariscope,is presented. Without modification of the optical system of the NPIIS,the Stokes vector,the degree of polarization and polarization direction expressions are derived by measuring the intensity of one pixel on the image plane after three rotations of the polarization interferometer. The method and principle is verified by computer simulation,and the results appear to be well consistent with the theoretical analysis. The research extends the measurement function of the interference imaging spectrometer. Compared with the existing imaging spectrometers which can measure the two-dimensional image information and one-dimensional spectral information,another method to acquire the object information by measuring the polarization state is developed.
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