Sum of Sines
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The sum of two sine waves with the same frequency is again a sine wave with frequency
. This is used for the analysis of linear electrical networks excited by sinusoidal sources with the frequency
. In such a network all voltages and currents are sinusoidal. The addition of sine waves is very simple if their complex representation
is used.
Contributed by: Carsten Roppel (December 2011)
Open content licensed under CC BY-NC-SA
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