高频自激

一种电流型D类功放高频自激驱动电路

A Current Mode Class-D Power Amplifier HF Self-excited Driving Circuit

受控弹性结构的高频自激振动

Self Excited Vibration of Controlled Elastic Structures

本文通过理论分析，计算机数字仿真及实验研究，初步探讨了电液伺服阀产生高频自激振荡的机理。

This paper has preliminarily studied the mechanism of high frequency self-excited oscillations of electrohydraulic servovalves by theoretical analyses , computer simulations and experiments .

对于采用射流元件作为前置级的伺服阀，其工作过程中易产生一种高频自激噪声，严重影响了伺服阀的工作性能。

For the servo valves which use the jet-flow components as the prestage , it is easy to produce self-excited high frequency noise , which seriously affects the performance of servo valves .

轧机第五倍频程颤振表现为高频微幅的自激稳态振动。

Fifth-octave mode chatter is most likely to occur in the form of self - excited steady vibration .