By analyzing the direct frequency modulation and optical feedback effect of laser diode, a theoretical model for measuring small vibration displacement and velocity is discussed.
分析了在直接频率调制下，激光二极管中的光反馈效应，探讨了振动微小位移和速度的理论模型。
The performance for the frequency modulation of electrical feedback optical transmitters is presented.
本文研究了电反馈光发射机的频率调制特性。
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