September 2008
Beginner
834 pages
37h 13m
English
Content preview from Electric Circuits and Networks
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13.10 NORMALISED POWER IN A PERIODIC WAVEFORM AND PARSEVAL'S THEOREM
The concept of normalised power in a periodic waveform is often employed in Communication Engineering and allied areas as a measure of signal strength. It is defined as the average power that will be delivered to 1 Ω resistance if the periodic waveform is thought of as a voltage waveform applied to that resistor. The averaging is done over any interval equal to the period of the waveform.
Normalised power in a periodic signal defined.
Normalised power of a waveform is equal to zeroth coefficient in the exponential Fourier series of its squared version.
If we think of ...
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