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STUDY ON CALIBRATION TECHNOLOGY OF THE INTERFERENCE IMAGING SPECTROMETER

Author: SuXing
Tutor: XiangLiBin
School: Xi'an Optics and Fine Mechanics , Chinese Academy of Sciences
Course: Optics
Keywords: Interference Imaging Spectrometer Calibration Spatial modulation imaging spectrometer Static state Hyperspectral remote sensing Nonlinear
CLC: TH744.1
Type: Master's thesis
Year: 2001
Downloads: 688
Quote: 5
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Abstract


Imaging spectroscopy can get overwhelmed by information and spectral information of the target , has been widely applied in the field of hyperspectral remote sensing . Interference imaging spectrometer is the cutting-edge science of today's visible and infrared remote sensing technology , it has become a research and an important means to obtain the target three-dimensional ( two-dimensional spatial information and one-dimensional spectral information) . This article describes the space modulation type interference in the basic principles of imaging spectrometer , and I have developed a large aperture static interference imaging spectrometer basic principle is analyzed , introduced spectral recovery , true-color image synthesis software ; analysis of the interference of light high Stability absolute spectral radiation imaging spectrometer laboratory calibration program , and the design of the satellite relative radiometric calibration system solutions . Under laboratory conditions permit a certain band of spectral and radiometric calibration , to obtain a relatively good results ; describes the impact of the performance parameters of the charge - coupled device CCD scaled , and wherein the spectral measurement the accuracy of several key parameters for calibration and compensation scheme , greatly improving the accuracy of spectroradiometry scaled ; describes a method based on the principle of high - speed rotating mirror for chemical detection of the type of movable mirror imaging spectrometer , which has high resolution and good stability. We analyzed the inherent non-linearity in its system , gives the optical path difference formula , identify the system of nonlinear parameters match , and the simulation experiment to get the ideal results .

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CLC: > Industrial Technology > Machinery and Instrument Industry > Instruments, meters > Optical instruments > Physical optical instruments > Spectrometers
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