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Calibration method for an ultrasonic gray-scale recorderCalibrated method for ultrasonic C-scanning is based on direct correlation of gray-scale response to electronic signal used. In procedure, optical density of reference recording is measured to generate curve of reflective intensity versus transmission.
Document ID
19780000016
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Moorhead, P. E.
Date Acquired
August 9, 2013
Publication Date
June 1, 1978
Publication Information
Publication: NASA Tech Briefs
Volume: 3
ISSN: 0145-319X
Subject Category
Electronic Systems
Report/Patent Number
LEW-12782
ISSN: 0145-319X
Report Number: LEW-12782
Accession Number
78B10016
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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