Joint frequency and phase modulation (JFPM) utilize frequency and phase information to realize higher efficiency in the frequency and power.
联合频率相位调制(JFPM)同时利用频率信息及相位信息，具有较高的频带利用率和功率效率。
As the requirements for higher power density and output performance, how to keep the inverter at a relative higher efficiency at higher switching frequency is becoming more and more important.
随着逆变器输出性能和功率密度需求的不断提高，如何在较高开关频率下进一步提升逆变器的变换效率，显得越来越重要。
The theoretical derivation shows that the vibro-rotary forging efficiency is directly proportional to the vibration frequency and feedrate and higher than that of longitudinal vibration forging.
通过本文的理论推导表明，扭转振动摆动辗压的效率与振动频率和进给速度成正比，扭转振动摆动辗压成形的成形效率比纵向振动摆动辗压成形的成形效率高。
The present work clearly illustrates that the multiple frequency and multiple transducer reactors can be used with higher energy efficiency and cavitational yield.
目前的研究表明：多频超声耦合时，可以获得较高的能量效率和空化产量。
The present work clearly illustrates that the multiple frequency and multiple transducer reactors can be used with higher energy efficiency and cavitational yield.
目前的研究表明：多频超声耦合时，可以获得较高的能量效率和空化产量。
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