Multi-velocity component LDV

Details Multi-velocity component LDV Multi-velocity component LDV

1991-06-27

1996-06-11

Buczinski, Stephen C.

Optics: measuring and testing

Velocity or velocity/height measuring

With light detector

G01P 336

Patent

active

055261094

ABSTRACT:
A laser doppler velocimeter uses frequency shifting of a laser beam to provide signal information for each velocity component. A composite electrical signal generated by a light detector is digitized and a processor produces a discrete Fourier transform based on the digitized electrical signal. The transform includes two peak frequencies corresponding to the two velocity components.

REFERENCES:
patent: 3744910 (1973-07-01), Deelen
patent: 4148585 (1979-04-01), Bargeron et al.
patent: 4284351 (1981-08-01), Alldritt et al.
patent: 4506979 (1985-03-01), Rogers
patent: 4596254 (1986-06-01), Adrian et al.
patent: 4610540 (1986-09-01), Mossey
patent: 4786168 (1988-11-01), Meyers et al.
patent: 4818071 (1989-04-01), Dyott
W. Farmer and J. Hornkohl, "Two-Component, Self-Aligning Laser Vector Velocimeter", Applied Optics, vol. 12, No. 11 (No. 1973).

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