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根据水在红外波段强吸收且吸收能力变化大的特点,在所提出可见光波段水吸收系数测量系统基础上增设了薄层水测量装置,使得测量水层厚度可在0.04—350mm之间变化。在此基础上对厚度为0.04—150mm的多个厚度水层进行了吸收系数测量,并对消除杂质影响后的测量数据进行了有效整合,得到900—2500nm波段纯水吸收系数。由于确保了各波段数据均在仪器最佳探测区间取得,所得结果精度较高,且与被普遍接受的前期研究结果相一致,可作为相关定量遥感的基础数据。 更多还原

【Abstract】 According to the extreme large and mutable characteristics of water absorption coefficient in the infrared spectrum,a device for measuring thin thickness of water layer is developed on the basis of the previously presented system for measuring water absorption coefficient in the optical region,in order to change the thickness of water layer from 0.04 mm to 350 mm.Then water absorption coefficient is measured with water layers of different thicknesses between 0.04 mm to 150 mm.After the effect of...