Method for improved DEMON analysis using sub-band signals and local areas

The method involves subdividing a time-frequency-plane (9) into local regions (10), and separately evaluating demodulation of envelope modulation on noise (DEMON) spectrums, where each individual spectral value (11) consists of frequency and time points. Information carrying local regions of the spectrums are strongly evaluated. Distance between the expected and actual spectral value assignments is determined for each local region. A DEMON-gram is produced by the overlapping of spectrums for each local region at normal distances according to a given formula.

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Patents:
AT 467,847

Inventor(s): LUDWIG THORSTEN [DE]

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