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Computerized polar plots by a cathode ray tube/grid overlay methodOverlay is aligned with four calibration dots so it is not affected by CRT drift or changes in vertical or horizontal gain when producing Nyquist /frequency-response phase/amplitude/ plots. Method produces over 50 plots per hour.
Document ID
19700000299
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Freeman, J. M. (BOEING CO.)
Shoup, E. L.
Date Acquired
August 5, 2013
Publication Date
June 1, 1970
Subject Category
Physical Sciences
Report/Patent Number
MFS-14464
Report Number: MFS-14464
Accession Number
70B10311
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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