The analysis method, computed results and conclusion for the helicopter groundresonance are presented.
文中给出了该机“地面共振”初步计算的计算方法和计算结果，并得出初步计算结论。
2
An analytical method of groundresonance dynamic stability countering the helicopters with ski landing gears is provided.
针对滑橇式起落架直升机 ，提供了一种“地面共振”动力稳定性分析的方法。
3
Dynamic stiffness and damping characteristics of landing gears are important parameters to be used to investigate the "groundresonance" of helicopters.