A VF carrier system can be operated over any telephone type circuit, wire or radio. 話(huà)頻載波系統可利用任何電話(huà)類(lèi)型的有線(xiàn)線(xiàn)路或無(wú)線(xiàn)線(xiàn)路工作。
The technology of low voltage powerline carrier spread spectrum communication and the auto meter reading system based on it are introduced in this paper. 本文就低壓電力線(xiàn)擴頻載波技術(shù)及其在自動(dòng)抄表中的應用進(jìn)行了研究。
