Tech article
Seeing Circles, Sines, and Signals
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Hacker News | Sep 18, 2026 | akkartik
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If you want a solid introduction to digital signal processing, I strongly suggest that you read Understanding Digital Signal Processing by Richard J Lyons. Paolo Prandoni and Martin Vetterli periodically offer a course on digital signal processing through Coursera. Martin and Paolo have also written Signal Processing for Communications, which is freely available online. 6 Julius O.
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