...] - 大学光电技术教育社区 关键词：激光器；光回馈；自混合干涉；自混合灵敏度 [gap=670]Key words：lasers；optical feedback；self-mixing interference；self-mixing sensitivity ...
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光回馈调制了激光器不同纵模的阈值增益，阈值增益最低的纵模获得振荡。
The threshold gains of different longitudinal modes are modulated by optical feedback. The mode which has the lowest threshold gain can oscillate.
通过测量回馈光远场光斑的位置变化可以得到端机的跟瞄精度。
The tracking precision is got by measuring the far-field facula posit.
本文以最大限度利用太阳能、把高质量电能回馈电网为主要目标，来研究和设计光伏并网逆变器，具有重要的现实意义。
In this paper, the maximum use of solar energy and gridding quality electricity back to the main research goal to design and develop photovoltaic inverter, has important practical significance.
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