TSMFTIS	temporally-spatially modulated Fourier transform imaging spectrometer
OPD	optical path differences
LASIS	large-aperture static imaging spectrometer
HEIFTS	high etendue imaging Fourier transform spectrometer
CaHyD	Caméra Hyperspectrale de Démonstration
ALISEO	aerospace leap-frog imaging static interferometer for Earth observation
FPA	focal plane array
LS	least-squares
TLS	total-least-squares
RLS	robust-least-squares
RTLS	robust-total-least-squares
SA	spectral angle
ASD	analytical spectra device