The Spread of a Noise Field in a Dispersive Medium

The Spread of a Noise Field in a Dispersive Medium

Blog Article

We discuss the production of Swivels induced noise by a pulse and the propagation of the noise in a dispersive medium.We present a simple model where the noise is the sum of pulses and where the mean of each pulse is random.We obtain explicit expressions for the standard Cover Set deviation of the spatial noise as a function of time.We also formulate the problem in terms of a time-frequency phase space approach and in particular we use the Wigner distribution to define the spatial/spatial-frequency distribution.