在该系统中采用了自行研制设计的实现全光纤化的两个关键光纤元件：普通单模光纤频率偏移器和普通单模光纤偏振控制器，介绍了此两光纤元件的基本工作原理和设计方法。
Two novel fibre devices, fibre optic frequency shifter and fibre optic polarization controller, are employed in this system. The principle and design method for the two key devices are described.
基于该模型，分析了激光器振荡频率偏移与输出功率变化特性。
The characteristics of oscillation frequency shift and output power changes of the laser diode are analyzed by using the theoretical model.
一般而言，滤波器会产生一个和频率有关的相位偏移。
In general, the filter will produce a phase shift and frequency-related.
但是，许多设备工作在温度范围变化较大的环境中，由于石英晶体谐振器自身特殊的物理特性，温度的变化会导致晶体振荡器的频率发生偏移。
However, many devices work in the environment which the temperature changes in a larger range, the change of temperature will cause the crystal oscillator's frequency shift.
但是，许多设备工作在温度范围变化较大的环境中，由于石英晶体谐振器自身特殊的物理特性，温度的变化会导致晶体振荡器的频率发生偏移。
However, many devices work in the environment which the temperature changes in a larger range, the change of temperature will cause the crystal oscillator's frequency shift.
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