用于不规则目标辐射测量的光谱辐射计辐亮度标定方法
By using the telescope lens and non-uniformity calibration system of the spectroradiometer, the radiance response coefficient and the field of view non-uniformity response coefficient were calculated, and the radiance calibration equation of the spectroradiometer was established. This solved the measurement problem of irregular targets and achieved accurate radiance measurement.
CN116972984BActive Publication Date: 2026-07-17AIR FORCE UNIV PLA
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- AIR FORCE UNIV PLA
- Filing Date
- 2023-08-02
- Publication Date
- 2026-07-17
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Figure CN116972984B_ABST
Abstract
本发明涉及用于不规则目标辐射测量的光谱辐射计辐亮度标定方法，包括选取光谱辐射计望远镜头、标定充满视场时辐亮度响应系数、标定光谱辐射计辐亮度视场非均匀性响应系数、求解目标在光谱辐射计中电压响应的修正系数、计算目标在光谱辐射计视场中所占的视场立体角之比、确定辐亮度标定方程，求取目标的光谱辐亮度的步骤。还涉及一种非均匀性标定系统，包括光谱辐射计、红外光源、平行光管、平移台。本发明建立基于平行光管的光谱辐射计辐射电压响应的非均匀性标定系统，利用离轴反射式平行光管实现无限远红外标定辐射源入射光谱辐射计，设计一种环形子孔径视场扫描路径，实现全视场范围内标准红外辐射源入射光谱辐射计。
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