14 citations · 29 across the 19 of their papers we have counts for
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cs.IT2010
On the instantaneous frequency of Gaussian stochastic processes
Patrik Wahlberg, Peter J. Schreier
This paper concerns the instantaneous frequency (IF) of continuous-time, zero-mean, complex-valued, proper, mean-square differentiable nonstationary Gaussian stochastic processes.…
math.FA2010
The wave front set of the Wigner distribution and instantaneous frequency
Paolo Boggiatto, Alessandro Oliaro, Patrik Wahlberg
We prove a formula expressing the gradient of the phase function of a function as a normalized first frequency moment of the Wigner distribution…