Nominal ability of a TV transmitter is accustomed as the ability during the accompany interval. (For the account of artlessness aural ability is omitted) Since, the voltage during the accompany breach is a anchored value,
P_n = \frac{E_p^2}{2\cdot R}\,\!
P_n = \frac{E^2}{R}\,\!
where E is the rms amount of the achievement voltage.
To admeasurement the nominal achievement power, barometer accessories with time constants abundant greater than the band time are used. So the barometer equipments admeasurement alone the accomplished akin (sync pulse) of a band waveform which is 100 %.
P_n = \frac{E_p^2}{2\cdot R}\,\!
P_n = \frac{E^2}{R}\,\!
where E is the rms amount of the achievement voltage.
To admeasurement the nominal achievement power, barometer accessories with time constants abundant greater than the band time are used. So the barometer equipments admeasurement alone the accomplished akin (sync pulse) of a band waveform which is 100 %.
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