Two WAVEFORMs combine in a manner which simply adds their respective AMPLITUDEs LINEARally at every point in time. Thus, a complex SPECTRUM can be built by mixing together different SINE WAVEs of ...
Successive approximations of a sawtooth wave by addition of harmonics with amplitude inversely proportional to the harmonic number. The resultant waveform at each stage of addition is shown at right.
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