Olcay AKAY

4 Questions 48 Answers 0 Followers

Questions related from Olcay AKAY

Does having access to desired response in adaptive filtering pose a dilemma?

I am a college teacher specializing in signal processing. One of the graduate courses that I teach is "Adaptive Filter Theory". In that class, one of the most frequently asked questions is: "If we...

04 April 2017 3,008 3 View

What do negative frequencies correspond to?

In the freshman-level Introduction to Signals course that I teach, I notice that some students have a hard time in understanding the notion of negative frequencies. They want a convincing physical...

07 July 2015 3,197 19 View

Is nonnegative matrix factorization (NMF) truly a blind source separation method?

I have been recently interested in source separation for musical signals. The paper I study (see below), uses nonnegative matrix factorization (NMF) for separation of musical audio recordings...

05 May 2015 1,454 3 View

How is the proof of the theorem of linear transformations of Gaussian multivariate random vectors for non-square matrices?

A well-known theorem in probability states: Let x be an Nx1 Gaussian vector with mean vector m and covariance matrix Cx .If we linearly transform x as y=Px using a square NxN transform matrix P,...

04 April 2015 3,469 6 View