其特点是相干受激放大。
反斯托克斯·拉曼背向自发散射的放大效应抑制了单模光纤中的相干噪声，改善了系统的信噪比。
The coherent noise of single mode fiber is restrained by the amplification effect of anti Stokes Raman backscattering, and the signal noise ratio of sensor system is improved.
只凭传统助听器来放大声音是无济于事的，因为它把不相干的音频放得过大。
Just amplifying the sound with a traditional hearing aid doesn't help because it makes the unaffected frequencies too loud.
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