Title :
Accurate Cramer-Rao bounds for a laser Doppler anemometer
Author :
Sobolev, V.S. ; Feshenko, A.A.
Author_Institution :
Novosibirsk Inst. of Autom. & Electrometry, Russian Acad. of Sci., Novosibirsk, Russia
fDate :
4/1/2006 12:00:00 AM
Abstract :
The Cramer-Rao bounds are derived for the maximum-likelihood parameter estimates of the Doppler signal against the white Gaussian noise. The problem is solved by taking into account the variation of the Doppler burst length, which, as is now known, depends on the measured flow velocity.
Keywords :
Gaussian noise; flow measurement; laser Doppler anemometry; maximum likelihood estimation; measurement theory; white noise; Cramer-Rao bounds; Doppler burst length; Doppler signal; laser Doppler anemometer; maximum-likelihood parameter estimation; signal processing; white Gaussian noise; Fluid flow measurement; Frequency measurement; Gaussian noise; Laser noise; Length measurement; Linear discriminant analysis; Maximum likelihood estimation; Parameter estimation; Signal processing; Velocity measurement; Cramer–Rao bounds; laser doppler anemometer (LDA); maximum-likelihood estimation; signal processing;
Journal_Title :
Instrumentation and Measurement, IEEE Transactions on
DOI :
10.1109/TIM.2006.870334
