Automatic variance control and variance estimation loops

Automatic variance control and variance estimation loops

A closed-loop servo approach is applied to the problem of controlling and estimating variance in nonstationary signals. The new circuit closely resembles, but is not the same as, automatic gain control, which is common in radio and other circuits. The closed-loop nature of the solution to this probl...

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Veröffentlicht in:Circuits, systems, and signal processing systems, and signal processing, 2001, Vol.20 (1), p.1-10
1. Verfasser: MOIR, T. J
Format: Artikel
Sprache:eng
Schlagworte:
Applied sciences
Automatic gain control
Circuit properties
Circuits
Detection, estimation, filtering, equalization, prediction
Electric, optical and optoelectronic circuits
Electronic circuits
Electronics
Estimating
Exact sciences and technology
Frequency filters
Information, signal and communications theory
Radio
Real time
Signal and communications theory
Signal processing
Signal, noise
Telecommunications and information theory
Variance
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Beschreibung
Zusammenfassung:A closed-loop servo approach is applied to the problem of controlling and estimating variance in nonstationary signals. The new circuit closely resembles, but is not the same as, automatic gain control, which is common in radio and other circuits. The closed-loop nature of the solution to this problem makes this approach highly accurate, and it can be used recursively in real time.[PUBLICATION ABSTRACT]
ISSN:0278-081X
1531-5878
DOI:10.1007/BF01204918