Processing of laser anemometry signals
Abstract
Signal processing schemes for laser Doppler anemometers and time-of-flight laser anemometers are discussed; particular attention is given to time-resolved measurements made with a tracking processor. For optimizing a signal processor, the maximum likelihood estimator is employed. Types of tracking processors described in this paper include phase-locked loops, frequency-locked loops, delay lock loops, coincidence trackers, and photon-count burst correlators.
- Publication:
-
Dynamic Measurements in Unsteady Flows
- Pub Date:
- 1979
- Bibcode:
- 1979dmuf.proc..801L
- Keywords:
-
- Laser Anemometers;
- Laser Doppler Velocimeters;
- Optical Data Processing;
- Signal Processing;
- Maximum Likelihood Estimates;
- Particle Motion;
- Particle Tracks;
- Phase Locked Systems;
- Statistical Analysis;
- Instrumentation and Photography