Signal processing

Signal processing is the art of analyzing and manipulating signals arising in many fields of engineering. It deals with operations on or analysis of analog as well as digitized signals, representing time-varying, or spatially-varying physical quantities.

Julia has the functionality for processing signals built into the standard library along with a growing set of packages and the speed of Julia makes it especially well-suited to such analysis.

We can differentiate between 1D signals, such as audio signals, ECG, variations in pressure and temperature and so on, and 2D resulting in imagery from video and satellite data streams. In this section, I will mainly focus on the former but the techniques carry over in a straightforward fashion ...

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