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Some educational java applets to help visualize various concepts in math, physics & engineering.



Fourier Series Examples: Full-Wave Rectification



Here, a sine function is full-wave rectified, meaning that the wave becomes positive wherever it would be negative. This creates a new wave with double the frequency. You can see that after rectification, the fundamental frequency is eliminated, and all the even harmonics are present. Press Sine to get a clean sine wave, and view it or play it for comparison. Press Full Rectify to rectify it.

Next: Full-Wave Rectification of Sawtooth
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Java plug-in.