Practical DSP, FM Demodulation on the RTL-SDR
There are few things that I have put off learning more than Digital Signal Processing (DSP), namely because it sounded really hard, and really maths-heavy. But recently I have been learning the basics alongside some projects involving the RTL-SDR, the $40 USB Dongle to explore the spectrum. The unfortunate truth is that there is some amount of maths that is unavoidable in DSP, the main prerequisite being the intuitive understanding of complex numbers, it really helps with wrapping your head around. ...