Optics: measuring and testing – Velocity or velocity/height measuring – With light detector
Patent
1986-11-24
1988-11-22
Buczinski, Stephen C.
Optics: measuring and testing
Velocity or velocity/height measuring
With light detector
324 77R, 324 77E, 324 78D, 324 78F, 364484, 377 39, G01P 336, G01R 2302, G01R 2316
Patent
active
047861681
ABSTRACT:
A laser velocimeter signal processor for measuring the signal frequency within a signal burst. The input signal is converted to digital by an ADC 16 and then shifted into shift registers 30 and 31. An automatic gain circuit 15 controls the gain of the input signal. A signal integration circuit 32 determines when a signal burst has been captured by the shift registers and and then transfers the contents of the registers to data latches 33 and 34. The data in data latches 33 and 34 is processed by digital bandpass filters 57-63, square law detectors 64-70, burst counters 71-77 and signal processor 78 to determine the frequency of the signal within the captured signal burst.
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Clemmons, Jr. James I.
Kanetkar Sharad V.
Meyers James F.
Savakis Andreas E.
Stoughton John W.
Adams Harold W.
Buczinski Stephen C.
Glenn Charles E. B.
Manning John R.
The United States of America as represented by the United States
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