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SignalAnalysis.TLogType Enumeration

Defines how to compute the logarithm of the frequency spectrum.

Pascal
TLogType = (
  ltAbsolute,
  ltRelative,
  ltAbsoluteParam,
  ltRelativeParam
);
Members 
Description 
ltAbsolute 
Applies the logarithm with base 10 and produces result in dB. 
ltRelative 
Applies the logarithm with base 10, produces result in dB and positions the maximum value at zero. 
ltAbsoluteParam 
Applies the logarithm. Uses additional parameters for log base and scaling. 
ltRelativeParam 
Applies the logarithm and positions the maximum value at zero. Uses additional parameters for log base and scaling. 

Defines how the logarithm is to be applied to frequency spectrum.

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