fiber optical intensity modulation 光纤强度调制
external optical intensity modulation 光强外调制法
reflective optical intensity modulation 反射式光强调制
In the scheme, FSK-FDM technique is used in subcarrier modulation, and the EDFA's supervisory information is transmitted by optical intensity modulation.
该方案利用频移键控频分复用（FSK FDM）技术进行声频副载波调制，通过光强度调制实现远程在线EDFA监控信息随主信号的传输。
It is convenient to change the optical intensity of the sidebands by tuning the DC bias voltage while the microwave modulation frequency and power are fixed.
当微波调制频率及功率一定时，可方便地调节直流偏置电压来改变各阶光波的强度。
This paper presents an optical communication system algorithm with intensity modulation and nonlinear heterodyne detection.
本文提出一种采用光强度调制非线性外差检测的传输方案。
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