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The conditions of the inter-satellite calibration of the radiometric devices located in them are analyzed. The conditions that must be fulfilled in order to carry out such calibration have been determined. The connection function \(\psi\) between the Earth–Sun distance ( \(d)\) and the optical mass of air m, which is directly related to the zenith angle of the Sun, is introduced for consideration, which allows us to formulate the problem of finding the optimal type of this function, in which the averaged planetary reflection at the level of the outer boundary of the atmosphere reaches an extreme. The expressions \(\psi \left( m \right)_{ext}\) and the extreme minimum value of the planetary reflection, which appears during implementation and can be used for sensor calibration, are determined \( \psi \left( m \right)_{opt}\) .

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On the Possibility of Mutual Inter-satellite Radiometric Calibration of Equipment on Board Landsat Satellites

  • 会议论文

  • 发表日期：

    2026年

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  • Amida Aliyeva,
  • Hikmat Asadov,
  • Tofig Suleymanov

摘要

The conditions of the inter-satellite calibration of the radiometric devices located in them are analyzed. The conditions that must be fulfilled in order to carry out such calibration have been determined. The connection function \(\psi\) between the Earth–Sun distance ( \(d)\) and the optical mass of air m, which is directly related to the zenith angle of the Sun, is introduced for consideration, which allows us to formulate the problem of finding the optimal type of this function, in which the averaged planetary reflection at the level of the outer boundary of the atmosphere reaches an extreme. The expressions \(\psi \left( m \right)_{ext}\) and the extreme minimum value of the planetary reflection, which appears during implementation and can be used for sensor calibration, are determined \( \psi \left( m \right)_{opt}\) .