The influence of the optical length, the output couple coefficient of the optical fiber ring cavity upon the STF and the coherence of the loss is also analyzed.
结合光纤环光学长度和耦合输出系数，就损耗对光纤环光谱传递函数和相干性的影响进行了分析讨论。
The power attenuation coefficient and the change of the coherence of the laser through the sediment-laden water are obtained in the experiment.
实验获得了激光穿过浑水的功率衰减系数和相干性变化。
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