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Active/passive scanningThe paper deals with the design, construction, and applications of an active/passive multispectral scanner combining lasers with conventional passive remote sensors. An application investigation was first undertaken to identify remote sensing applications where active/passive scanners (APS) would provide improvement over current means. Calibration techniques and instrument sensitivity are evaluated to provide predictions of the APS's capability to meet user needs. A preliminary instrument design was developed from the initial conceptual scheme. A design review settled the issues of worthwhile applications, calibration approach, hardware design, and laser complement. Next, a detailed mechanical design was drafted and construction of the APS commenced. The completed APS was tested and calibrated in the laboratory, then installed in a C-47 aircraft and ground tested. Several flight tests completed the test program.
Document ID
Acquisition Source
Legacy CDMS
Document Type
Conference Proceedings
Woodfill, J. R.
(NASA Johnson Space Center Houston, Tex., United States)
Thomson, F. J.
(Michigan, Environmental Research Institute, Ann Arbor Mich., United States)
Date Acquired
August 9, 2013
Publication Date
January 1, 1979
Subject Category
Instrumentation And Photography
Meeting Information
Meeting: International Conference on Lasers
Location: Orlando, FL
Start Date: December 11, 1978
End Date: December 15, 1978
Accession Number
Funding Number(s)
Distribution Limits

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