... frequency up-conversion 频率上转换 ; 双频上转换 frequency down-conversion 频率下转换 twice frequency down-conversion 二次下变频 ...
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two-photon frequency up-conversion 双光子频率上转换
all-optlcal frequency up-conversion 全光频率上转换
time resolved frequency up-conversion method 时间分辨频率上转换方法
frequency up conversion 频率上转换过程
two-frequency up-conversion 频上转换
two frequency up conversion 双频上转换
We discussed experimental feasibility for quantum-state preserving frequency translation with single-photon frequency up-conversion and its experimental conditions for near-unity up-conversion, including pumping intensity, phase matching and space coincidence conditions.2.
1.讨论了用频率上转换方法实现红外单光子量子态转移的可行性以及达到完全量子态转移所需要的实验条件,包括泵浦光强度、相位匹配条件、空间重合条件等。
参考来源 - 基于非线性频率上转换的红外单光子探测·2,447,543篇论文数据，部分数据来源于NoteExpress
Using pseudo random code to modulate the signal's phase equals to frequency up-conversion of the pseudo random code by the carrier frequency.
信号采用伪随机编码进行相位调制，相当于是用载频对伪随机码进行上变频。
Conventional dual up-conversion transmitter usually employs an intermediate frequency (IF) mixer and a radio frequency (RF) mixer to convert baseband user signal to IF and RF in sequence.
传统双上变频发射器通常采用中频(IF)混合器和射频(RF)混合器将基带用户信号依次转换成IF和RF。
Adopt IGBT frequency conversion of German Siemens and voltage feedback series resonance circuit. The conversion efficiency is reaching up to above 97.5%.
采用德国西门子IGBT变频，电压反馈串联谐振电路。变换效率高达97.5%以上。
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