Ringdown

Known as: Automatic ringdown circuit, Ring off, Ringdown circuit 
In telephony, ringdown is a method of signaling an operator in which telephone ringing current is sent over the line to operate a lamp or cause the… (More)
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Papers overview

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2014
2014
Multi-Dimensional Fourier Ringdown Analysis for Power Systems Using Synchrophasors
Wide-area implementations of synchrophasors enable real-time monitoring of power system dynamic responses during disturbances… (More)
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2012
2012
Enhancing Kalman Filter for Tracking Ringdown Electromechanical Oscillations
Ringdown detection methods like Kalman filter and Prony analysis have been developed to aid transmission operators to track… (More)
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2007
2007
On the ringdown transient of transformers
This paper details the analysis of transformer ringdown transients that determine the residual fluxes. A novel ener gy approach… (More)
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2006
2006
Pulsed cavity ringdown laser absorption spectroscopy in a hollow waveguide
Cavity ringdown laser absorption spectroscopy (CRDS) is a modified version of standard absorption spectroscopy (AS) for providing… (More)
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2005
2005
Cavity ringdown spectroscopy for petrochemical process monitoring
A near-infrared cavity ringdown setup for trace gas applications in petrochemical industry is presented. Acetylene concentrations… (More)
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2005
2005
A broadband cavity ringdown spectrometer for in-situ measurements of atmospheric trace gases
This paper describes a broadband cavity ringdown spectrometer and its deployment during the 2002 North Atlantic Marine Boundary… (More)
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2003
2003
Infrared cavity ringdown laser absorption spectroscopy ( IR-CRLAS )
We report the first extension of cavity ringdown laser absorption spectroscopy (CRLAS) into the infrared region. Spectra of… (More)
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2003
2003
Pulsed discharge nozzle cavity ringdown spectroscopy of cold polycyclic aromatic hydrocarbon ions
The gas-phase electronic absorption spectra of the naphthalene (C 10H8 ) and acenaphthene (C 12H10 1 ) cations have been measured… (More)
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2000
2000
Hydrogen Bonding in Alcohol Clusters : A Comparative Study by Infrared Cavity Ringdown Laser Absorption Spectroscopy
Infrared cavity ringdown laser absorption spectroscopy has been used to study the O -H stretching vibrations of jet-cooled… (More)
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1997
1997
Direct Measurement of Water Cluster Concentrations by Infrared Cavity Ringdown Laser Absorption Spectroscopy
The recently developed technique of infrared cavity ringdown laser absorption spectroscopy (IR-CRLAS) has been employed in the 3… (More)
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