Smoothing: Difference between revisions

From Glossary of Meteorology
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|Meaning=An averaging of data in space or time, designed to compensate for [[random errors]] or  fluctuations of a [[scale]] smaller than that presumed significant to the problem at hand.
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|Explanation=Thus, for example, a [[thermometer]] smooths the [[temperature]] reading on the scale of its [[time constant|time  constant]]; the [[analysis]] of a sea level [[weather map]] smooths the [[pressure field]] on a space scale  more or less systematically determined by the analyst by taking each [[pressure]] as representative  not of a point but of an area about the point. <br/>''See'' [[consecutive mean]], [[curve fitting]], [[filtering]],  [[bloxam]].
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== smoothing ==
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<div class="definition"><div class="short_definition">An averaging of data in space or time, designed to compensate for [[random errors]] or  fluctuations of a [[scale]] smaller than that presumed significant to the problem at hand.</div><br/> <div class="paragraph">Thus, for example, a [[thermometer]] smooths the [[temperature]] reading on the scale of its [[time  constant]]; the [[analysis]] of a sea level [[weather map]] smooths the [[pressure field]] on a space scale  more or less systematically determined by the analyst by taking each [[pressure]] as representative  not of a point but of an area about the point. <br/>''See'' [[consecutive mean]], [[curve fitting]], [[filtering]],  [[bloxam]].</div><br/> </div>
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Latest revision as of 05:57, 30 March 2024

An averaging of data in space or time, designed to compensate for random errors or fluctuations of a scale smaller than that presumed significant to the problem at hand.

Thus, for example, a thermometer smooths the temperature reading on the scale of its time constant; the analysis of a sea level weather map smooths the pressure field on a space scale more or less systematically determined by the analyst by taking each pressure as representative not of a point but of an area about the point.
See consecutive mean, curve fitting, filtering, bloxam.

  1. Regular markings on an instrument used to allow the reading of the measured quantity or setting.
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