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Related Experiment Videos

[Study of spectrometer calibration experiment research].

Q Tian1, T Yu, L Zheng

  • 1Institute of Remote Sensing Application, Academia Sinica, 100101 Beijing.

Guang Pu Xue Yu Guang Pu Fen Xi = Guang Pu
|April 7, 2005
PubMed
Summary

Accurate spectrometer calibration is crucial for remote sensing. This study details SE590 calibration, revealing wavelength shifts and response issues beyond 950nm, validated by field data.

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Area of Science:

  • Remote Sensing
  • Spectroscopy
  • Optical Engineering

Context:

  • Quantitative research in imaging spectral remote sensing relies heavily on precise instrument calibration.
  • The SE590 spectrometer was subjected to rigorous spectral and radiometric calibration procedures.
  • Understanding instrument performance is critical for reliable data acquisition.

Purpose:

  • To perform spectral and radiometric calibration on the SE590 spectrometer.
  • To identify and quantify wavelength shifts and spectral response characteristics.
  • To validate calibration results using field experiment data.

Summary:

  • Spectral calibration revealed an average wavelength shift of 8nm across SE590 channels.
  • The spectrometer's linear response was found to be dependent on received energy.

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  • Spectral response resolution was determined to be unreasonable beyond the 950nm range.
  • Calibration findings were successfully validated against field measurement data.

    • Impact:

    • Provides essential calibration data for the SE590 spectrometer, improving quantitative accuracy in remote sensing applications.
    • Highlights limitations in spectral response beyond 950nm, guiding future instrument development or data processing strategies.
    • Ensures the reliability and comparability of remote sensing data acquired using the SE590.