frequency n. 1.屢次,頻仍,頻繁。 2.(脈搏等的)次數(shù),出現(xiàn)率;頻度;【物理學】頻率,周率。 audio frequency音頻。 a high [low] frequency高[低]頻。 the frequency of earthquakes in Japan 地震在日本的頻繁發(fā)生。 mean [median] frequency中頻。 resonance [resonant] frequency諧振頻率,共振頻率。 ultrahigh frequency超高頻。 ultralow frequency超低頻。 very high frequency甚高頻。 very low frequency甚低頻。
For the importance of the ao frequency translator loop, the mechanism of ao frequency shift and the loop are analysed detailedly, and done the experiment of this part . for the frequency shifter used has no fiber input and output 基于聲光移頻環(huán)路的重要性,本文還重點對聲光移頻的機理及聲光移頻環(huán)做了詳細分析,并且完成了該部分的實驗。