“frequency conversion technique”的概念、定义、翻译、参考文献-科学参考

单词	frequency conversion technique
释义	frequency conversion technique Encyclopedia 工学【通信基础理论】释 frequency conversion technique频率搬移技术在发射端将调制信号从低频端搬移到高频端，便于天线发送或实现不同信号源、不同系统的频分复用的技术。
随便看	relative deprivation relative de Rham cohomology groups relative de Rham cohomology sheaves relative derived functor relative determination relative deviation relative dielectirc constant relative dielectric constant relative different relative dimension relative discriminant relative displacement relative distance relative distortion relative efficiency relative energy relative energy distribution relative energy saving ratio relative entropy relative equilibrium of yin-yang relative error relative error of an approximation algorithm relative extension relative extremum relative eye relief

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