optimum filter

optimum filter

[′äp·tə·məm ′fil·tər]
(electronics)
An electric filter in which the mean square value of the error between a desired output and the actual output is at a minimum.
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Caption: Figure 6: The reduction of selected harmonics by the optimum filter group in the function of the power grid equivalent inductance.
An optimum filter should be selected which can reconstruct the signal with a stable solution, minimum noise, and without significant loss in the magnitude of the reconstructed signal.
[27] studied the determination of the optimum filter in [sup.99m]Tc myocardial SPECT using a phantom that simulates the heart left ventricle.
The special design of these tested filter media offers an optimum filter surface to body volume ratio.
where, [x.sub.s](n) is the recorded sub-sampled signal and w is the optimum filter weight vector given by
The Wiener filter is an optimum filter for the detection of the useful signal, which contains the AE signal along with noise [4, 5].
In both systems, the optimum filter sizes were large enough that the loading time was extended beyond the specified 3 months for VAV and 6 months for DOAS.
This graded density filter media traps the larger particles on the outer layers and the smaller ones towards the center, ensuring optimum filter life.
A synchronization facility enables multiple modules to operate at exactly the same frequency to facilitate optimum filter design for quiet running -- RF or conducted.
In addition, the machine's dust filter captures even microscopic particles and is cleaned automatically during operation to maintain optimum filter efficiency.
Disposable filters can offer lower maintenance time and costs and longer Optimum Filter Life Expectancy.
New operators do not have to interpret a trace on a vector analyzer but can rely on the software to help quickly and accurately tune each resonator, and adjust the coupling between resonators to obtain the desired optimum filter response.

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