NASA Logo

NTRS

NTRS - NASA Technical Reports Server

Collections About News Help Login
Back to Results
Tracking Comb Filter Suppresses Welder HarmonicsTracking comb filter includes charge-coupled-device delay line and phase-locked loop. Filter removes harmonics of frequency of repetition of welding-current pulses from acoustic-emission signal. Spurious signals reduced almost to fundamental limit.
Document ID
19920000587
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Delcher, Ray C. (Rockwell International Corp.)
Date Acquired
August 15, 2013
Publication Date
October 1, 1992
Publication Information
Publication: NASA Tech Briefs
Volume: 16
Issue: 10
ISSN: 0145-319X
Subject Category
Electronic Systems
Report/Patent Number
MFS-29736
Accession Number
92B10587
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

Available Downloads

There are no available downloads for this record.

Related Records

There are no records associated with this record.
No Preview Available