1
Sheng Huei Chang, Mark J Westfield: Airborne multiband imaging spectrometer. Geophysical & Environmental Research, Arnold L Albin, January 4, 1994: US05276321 (46 worldwide citation)

A multichannel imaging spectrometer for airborne geological, geophysical and environmental surveys in a moving vehicle. An optical scanner employs a rotating polygon allowing reduced scan optics with increased data acquisition efficiency. Multiple spectrometers integrally registered allow channeliza ...


2
Sheng Huei Chang, Mark J Westfield: Method and apparatus for radiometric calibration of airborne multiband imaging spectrometer. Geophysical & Environmental Research, Arnold L Albin, December 6, 1994: US05371358 (42 worldwide citation)

A multichannel imaging spectrometer for airborne geological, geophysical and environmental surveys in a moving vehicle. An optical scanner employs a rotating polygon allowing reduced scan optics with increased data acquisition efficiency. Multiple spectrometers integrally registered allow channeliza ...


3
Sheng Huei Chang, Mark J Westfield, Dennis P Witz: Portable multiband imaging spectrometer. Geophysical & Enviromental Research, Arnold L Albin, February 28, 1995: US05394237 (21 worldwide citation)

A light-weight, portable spectroradiometer provides a real-time data acquisition capability from 0.3 .mu.m to 3.0 .mu.m with selectable integration periods, and operates through a Centronics parallel port of a personal computer to program the spectrometer, store data, and to provide real time graphi ...


4
William E Collins, Sheng Huei Chang, Mark J Westfield: Airborne multiband imaging spectrometer. Geophysical & Environmental Research Corporation, Arnold L Albin, September 22, 1992: US05149959 (20 worldwide citation)

A multichannel imaging spectrometer for low speed, low altitude airborne geological, geophysical and environmental surveys, particularly adapted to provide detector limited noise threshold. An optical scanner employs a rotating polygon allowing reduced scan optics with increased data acquisition eff ...