PPM(Pulse Position Modulation), as one of key technologies in the atmosphere laser communication, arouses more and more attention by the virtue of high power efficiency and strong resistance to interference.
英
美
- 光脈沖位置調制(PPM)具有能量傳輸效率高(每光子傳輸的信息量),抗干擾能力強等優(yōu)點(diǎn),是大氣激光通信中的一項關(guān)鍵技術(shù),因此越來(lái)越受到人們的重視。
