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CRLBCramer-Rao Lower Bound
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Keywords: Gastroparesis, Electrogastrogram, Cramer-Rao Lower Bound, Autoregressive Parameter, Power Spectral Density
In other words, the a1 parameter was averaged for 9 patients and the Cramer-Rao lower bound was calculated.
Cramer-Rao Lower Bound (CRLB) is one such bound on the variance of an unbiased estimator.
Cramer-Rao Lower Bound. Let the unknown parameter vector be [theta] = [[[omega] [phi] [V.sub.a] [V.sub.b] [V.sub.c]].sup.T].
The Cramer-Rao Lower Bound. The Cramer-Rao lower bound (CRLB) is widely used in parameter estimation.
Liu, "Conditional cramer-rao lower bounds for DOA estimation and array calibration," IEEE Signal Processing Letters, vol.
Wang, "On the Cramer-Rao lower bound for biased bearings-only maneuvering target tracking," Signal Processing, vol.
(2) The Cramer-Rao lower bound is calculated for the estimation of unknown parameters of the system.
As can be seen from the simulation in Section 7, the estimated performance by SIR particle filtering is quite satisfactory for tracking with quantized measurements, or in other words it performs very closely to its theoretical bound, namely, the posterior Cramer-Rao lower bound (CRLB) that will be derived in the second part of this section.
The performances are compared according to the Cramer-Rao Lower bound (CRLB) in Section 4.
In particular, the family of Cramer-Rao lower bounds (CRLBs) has been shown to give tight estimation lower bounds in a number of practical scenarios [26-29].