复合振动 meaning in English

complex vibration
compound vibration
coupled vibrations

Coupled bending and torsional vibration
弯扭复合振动
The experiment research on laser micro - doppler effect for detecting complex vibration of moving target is developed
摘要建立了激光微多普勒效应探测系统，开展了激光微多普勒效应探测运动目标复合振动的实验研究。
For the mechanism of the phenomenon of " local resonance " in a compound ultrasonic vibration system , and explanation is proposed , based on the well - known theory of production and propagation of acoustic wave in a rod or shell
摘要对超声复合振动系统中的“局部共振”现象，基于熟知的棒或管中声波产生和传播的理论，提出一种机理解释。
Frequency domain analysis and time - frequency joint analysis of experimental results show that the complex vibration of target can be effectively detected by laser micro - doppler effect , and it lays the foundation of target detection , classification and recognition
实验结果的频谱分析和时频域的联合分析表明：利用激光微多普勒效应，可以有效地探测目标的复合振动，为目标的探测、分类和识别奠定了基础。