A synchronization signal is transmitted over the powerline network. 一個(gè)同步信號在電力線(xiàn)網(wǎng)絡(luò )上傳輸。
A significant amount of power is used by the broadcast transmitter to send the sync pulse. 由于大量的功率被廣播發(fā)射機用來(lái)發(fā)送同步脈沖,一般將視頻信號的極性設計為在傳送同步信號降低功耗的方式。