# What Is a Signal? [Lecture Notes]

@article{Chakravorty2018WhatIA, title={What Is a Signal? [Lecture Notes]}, author={Pragnan Chakravorty}, journal={IEEE Signal Processing Magazine}, year={2018}, volume={35}, pages={175-177} }

After decades of advances in signal processing, this article goes back to square one, when the word signal was defined. Here we investigate if everything is all right with this stepping stone of defining a signal.

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