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4 August 1997 Comparison of helicopter-based spectral radiance measurements and theoretical calculations with MODTRAN
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Abstract
Helicopter-based spectral radiance measurements over several homogeneous ground targets were performed with a portable calibrated spectrometer covering the wavelength region 400- 1000 nm. The flight altitude was varied from 200 to 1000 m and radiance spectra were collected in altitude steps of 200 m. Up to 20 spectra were collected for each flight level to evaluate average and standard deviation for homogeneity. For the grass and concrete target, ground reflectance measurements were performed shortly before and after the airborne radiance spectra were acquired. Meteorological data from a local DLR weather station is used as input for the MODTRAN radiative transfer code. The measurements of airborne radiance spectra are intended to support the inflight calibration of the hyperspectral DAIS sensor. Results of measured and modeled radiance spectra are presented and discussed.
© (1997) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Peter Hausknecht and Rudolf Richter "Comparison of helicopter-based spectral radiance measurements and theoretical calculations with MODTRAN", Proc. SPIE 3071, Algorithms for Multispectral and Hyperspectral Imagery III, (4 August 1997); https://doi.org/10.1117/12.280603
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