[计] 倍频

frequency doubling的用法和样例：

例句

When the input Gaussian beam size is very small, the effect of walkoff is very deleterious on doubling conversion.当入射超高斯光束口径非常小时，离散效应的存在将大大降低倍频转换效率。
Based on the original FFTS, FFFTS substitutes the cycloconverter for the frequency mulitiplication transformer as the key device of FFTS.柔性分频输电系统是在最新提出的分频输电思想的基础上，利用了电力电子技术中的相控式交交变频器替代原分频输电系统模型中的铁磁型倍频变压器来作为分频输电系统中变频传送电能的关键设备。

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