Laser doppler velocimeter with laser backscatter discriminator

Details Laser doppler velocimeter with laser backscatter discriminator Laser doppler velocimeter with laser backscatter discriminator

1986-04-03

1987-12-29

Buczinski, Stephen C.

Optics: measuring and testing

Velocity or velocity/height measuring

With light detector

342192, 342104, G01P 336, G01S 748

Patent

active

047157070

ABSTRACT:
A laser doppler velocimeter with laser backscatter discrimination for determining the relative velocity between an optical platform and another target where a laser beam is generated and directed toward the target. A detector produces a doppler signal in response to the detection of the laser beam. Noise and backscatter signals with bandwidths and amplitudes outside selected thresholds are rejected, and the legitimate doppler signal from the target is enhanced.

REFERENCES:
patent: 3856402 (1974-12-01), Low et al.
patent: 3984685 (1976-10-01), Fletcher et al.
patent: 3984686 (1976-10-01), Fletcher et al.
patent: 4167329 (1979-09-01), Jelalian et al.
patent: 4284351 (1981-08-01), Alldritt et al.
patent: 4610540 (1986-09-01), Mossey
T. Sato et al, Applied Optics, vol, 17, No. 2, 15 Jan. '78, p. 230.

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