Both the velocity of the sound-excited jet flow at a small circular orifice and the nonlinearimpedance of the orifice are measured at high sound intensity.
在高声强下测量了微圆孔处声激发射流的速度和微圆孔的非线性声阻抗。
2
In this paper, the nonlinear acoustic impedance of the micro-perforated panel is investigated both theoretically and experimentally.
本文对微穿孔板的非线性声阻抗率作理论与实验两方面的研究。
3
For the arc resistance is nonlinear and high, the conventional feeder protections, such as impedance protection and current protection, maybe fail to trip off.