This Topic looks at the case of calculating the fundamental frequency or
period of a periodic waveform, where this is not known in advance. The
Topic also considers, as a consequence, whether the sum of periodic
signals results in a periodic signal. The calculation is relatively
straightforward, but needs some care. Several detailed examples are
provided for finding the fundamental frequency, if it exists. If a
finite arbitrary sum of sinusoids and co-sinusoids is provided, then it
is demonstrated how the Trigonometric Fourier coefficients can be
obtained by inspection.
ELEE08021 Sensor Networks and Data Analysis 2 Lectures -- School of Engineering, University of Edinburgh. Copyright James R. Hopgood and University of Edinburgh, Scotland, United Kingdom (UK). 2021.
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