This paper presents a parameter assessment method to determine the eigenfrequency of the pile-soil system.
本文提出一种确定桩土系统固有频率的参数估计方法。
2
Because the suspension with non linear springs has no eigenfrequency, it could avoid the resonance under certain road uneven random excitations.
由于非线性弹簧悬架没有固有频率，因此避免了在外界激励下发生共振的危险。
3
The plasma oscillation spectrum of electrical discharge channel is analyzed, and the eigenfrequency of metal crystal lattice vibration is discovered in the spectrum.