Created
September 18, 2016 20:30
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Pulse waveform additive synthesis
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| import numpy | |
| import pylab | |
| ratio = 0.333 | |
| t = numpy.arange(1000.0) / 1000.0 | |
| s = 0 | |
| for n in xrange(1, 1000): | |
| harmonic = numpy.cos(2 * numpy.pi * t * n) | |
| amplitude = 2 * numpy.sin(numpy.pi * n * ratio) / (n * numpy.pi * ratio) | |
| s += harmonic * amplitude | |
| pylab.plot(s) | |
| pylab.show() |
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