optical heterodyne detection system

基本解釋

This paper presents an optical communication system algorithm with intensity modulation and nonlinear heterodyne detection.
本文提出一種采用光強度調(diào)制非線性外差檢測的傳輸方案。
In the proposed system, only one photorefractive crystal is used to attain adaptive optical heterodyne detection, making the system simple and easy to adjust.
與現(xiàn)有的光折變自適應(yīng)光外差探測系統(tǒng)相比，該系統(tǒng)僅采用一塊光折變晶體就能很好地實現(xiàn)自適應(yīng)光外差探測，具有結(jié)構(gòu)簡單、易調(diào)整等特點。
The signal detection principle, preferences and the system performance are discussed in optical fiber Brillouin sensing system based on microwave heterodyne technique.
討論了微波外差式光纖布里淵傳感系統(tǒng)的信號檢測原理、參數(shù)選擇和系統(tǒng)性能。