The Ambiguity Function of a Linear Signal Space

  • Franz Hlawatsch
Part of the The Kluwer International Series in Engineering and Computer Science book series (SECS, volume 440)


For TF signal analysis, two fundamental types of TF signal representations can be distingushed, namely, the “energetic” type and the “correlative” type [Hlawatsch, 1991]. The energetic mode of TF analysis seeks to define “TF energy distributions” that satisfy the marginal properties (1.6)-(1.8) or, more generally, give an indication of how the signal is distributed over the TF plane. Two prominent energetic TF distributions are the WD and the spectrogram.


Cross Term Signal Space Ambiguity Function Hermite Function Orthogonal Projection Operator 


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Copyright information

© Springer Science+Business Media New York 1998

Authors and Affiliations

  • Franz Hlawatsch
    • 1
  1. 1.Vienna University of TechnologyAustria

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