给出了干涉仪测量这类两点源信号中的主信号入射角的通用数学表达式。

Generel mathematical expression on incidence Angle of major signal in such signals with the interferometer is presented.

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内置功率放大电路，可以单独成为一个小系统，并受主信号强切优先控制。

Built-in power amplifier circuits that can be a small system, and strong signal by cutting the main priority control.

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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。

In the scheme, FSK-FDM technique is used in subcarrier modulation, and the EDFA's supervisory information is transmitted by optical intensity modulation.

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