13 June 2014 Nonstationary noise propagation with sources
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We discuss a number of topics relevant to noise propagation in dispersive media. We formulate the problem of pulse propagation with a source term in phase space and show that a four dimensional Wigner distribution is required. The four dimensional Wigner distribution is that of space and time and also wavenumber and frequency. The four dimensional Wigner spectrum is equivalent to the space-time autocorrelation function. We also apply the quantum path method to improve the phase space approximation previously obtained. In addition we discuss motion in a Snell’s law medium.
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J. S. Ben-Benjamin, J. S. Ben-Benjamin, L. Cohen, L. Cohen, } " Nonstationary noise propagation with sources", Proc. SPIE 9090, Automatic Target Recognition XXIV, 909007 (13 June 2014); doi: 10.1117/12.2053113; https://doi.org/10.1117/12.2053113


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