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本文采用随机减量法,根据无线遥测装置测得的中型坦克在行驶过程中的加速度响应记录,取得坦克的自由振动衰减曲线,再按照有效带通法获得坦克的垂直振动前两个振型的固有频率和阻尼比,与理论计算值及其它试验方法的结果相比是接近的。
In this paper, the random decrement method was used to obtain the free vibration attenuation curve of medium tanks measured by the wireless telemetry device during the driving process. Then the tank’s vertical vibration first two modes were obtained according to the effective bandpass method The natural frequency and damping ratio are close to those of the theoretical calculation and other experimental methods.