The principles of frequencymixing technique and its application to detect PD signals at ultra high frequency (UHF) are introduced in this paper.
介绍了混频技术的原理及其在超高频局部放电信号提取中的应用。
2
Different ways to generate yellow laser were discussed, especially two nonlinear-optical methods of sum-frequencymixing and stimulated Raman scattering (SRS).
对黄光激光的产生方式进行了讨论，重点介绍两种获得黄光激光的非线性光学方法：和频和受激拉曼散射效应。
3
Therefore, taking advantage of AD device and digital filtering technique to realize mixing and other frequency transformation function is a comparatively advanced, novel and practical method.