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A new endmember extraction method has been developed that is based on a convex cone model for representing vector data. The endmembers are selected directly from the data set. The algorithm for finding the endmembers is sequential: the convex cone model starts with a single endmember and increases incrementally in dimension. Abundance maps are… (More)

- Lawrence S. Bernstein, Steven M. Adler-Golden, +6 authors Michael L. Hoke
- IGARSS
- 2005

A multiple simplex endmember extraction method has been developed. Unlike convex methods that rely on a single simplex, the number of endmembers is not restricted by the number of linearly independent spectral channels. The endmembers are identified as the extreme points in the data set. The algorithm for finding the endmembers can simultaneously find… (More)

The intensities, widths, and positions of lines of three CO2 bands near 2750 cm-1 have been determined. The results are in general agreement with other measured and estimated values.

The rotational constants of bands of (16)O(12)C(17)O and (16)O(12)C(18)O near 2600 cm(-1) have been estimated by spectral curve fitting. These constants predict the positions of all but the weakest lines with an estimated accuracy of 0.003 cm-(1). They are in reasonable agreement with other published values, although some of these do not predict the… (More)

- M P Esplin, R B Wattson, M L Hoke, R L Hawkins, L S Rothman
- Applied optics
- 1989

The collision-broadened linewidths and band intensities of three overlapping CO(2) bands near 2600 cm(-1) have been determined from spectra obtained with a Fourier transform spectrometer. These spectra have SNRs in excess of 500 and a spectral resolution of approximately 0.06 cm(-1). Calculated spectra were matched to the observed spectra by nonlinear least… (More)

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