This online book on basics of signal processing[1] was recently on HN. I found it an excellent resource to understand and develop an intuition for the basic mat

This online book on basics of signal processing[1] was recently on HN. I found it an excellent resource to understand and develop an intuition for the basic math involved. [1]: http://jackschaedler.github.io/circles-sines-signals/ http://jackschaedler.github.io/circles-sines-signals/