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单词 Burst phase
释义

Burst phase

英语百科

Burst phase

Burst phase is the first ten cycles of colorburst in the "porch" of the synchronising pulse in the PAL (Phase Alternation Line) broadcast television systems format. The frequency of this burst is 4.43361875 MHz; it is precise to .5 Hz, and is used as the reference frequency to synchronise the local oscillators of the colour decoder in a PAL television set.

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