+- MKLab (https://mklab.gr)
+-- Forum: [INDEX] (https://mklab.gr/forumdisplay.php?fid=1)
+--- Forum: MATHEMATICS (https://mklab.gr/forumdisplay.php?fid=3)
+---- Forum: BOOKS (https://mklab.gr/forumdisplay.php?fid=6)
+----- Forum: APPLIED MATHEMATICS (https://mklab.gr/forumdisplay.php?fid=19)
+------ Forum: NUMERICAL ANALYSIS (https://mklab.gr/forumdisplay.php?fid=56)
+------ Thread: Seeing circles, sines and signals [Schaedler] (/showthread.php?tid=569)
Seeing circles, sines and signals [Schaedler] - mklabgr - 06-22-2026
Seeing circles, sines and signals,
BY Jack Schaedler
Summary
Circles, Sines, and Signals by Jack Schaedler is an interactive visual introduction to digital signal processing (DSP) that explains the ideas behind sine waves, sampling, and the Discrete Fourier Transform (DFT) through animations, graphics, and sound rather than traditional equations alone.
The tutorial builds intuition by showing how sine and cosine waves emerge from circular motion (phasors), how complex signals can be created by combining simple waves, and how Fourier analysis breaks signals into their frequency components.
It also explores concepts such as continuous vs. discrete signals, correlation, phase, and reconstruction, helping readers understand why the Fourier Transform is so powerful in areas like audio processing, communications, and data analysis.
BOOK PAGE