The first ten natural frequencies, damping ratios and mode shapes of the dam were measured through steady forced vibration test using multiple vibrators.
用多台起振机进行稳态强迫振动试验，测定了该坝前十阶自振频率、阻尼和振型。
Compared with forced vibration tests, the ambient vibration test is more convenient and it has enough accuracy for the small amplitude response characteristics.
与强迫振动试验相比，环境振动试验比较简单、方便，所确定出的小振幅水平下的木塔结构动力特性具有足够的精度。
Forced surge test may cause over vibration and damage to the compressor rotor during the compressor characteristics test.
压气机特性试验中逼喘是必须进行的，但它常常造成压气机转子振动过大，并对压气机转子造成一定的损伤。
The forced transverse vibration tests of a ship propeller shafting with a variety of propeller blades were carried out on a test bed.
本文论述了在试验台上进行的不同叶片数螺旋桨轴系横向受迫振动实验。
The test and analysis show that the shimmy is a forced vibration and can be restrained by controlling excitation source and increasing steering system damping.
试验及分析表明，该车摆振主要为强迫振动，通过控制激振源、增大转向系统阻尼可抑制摆振。
According to different driving ways of vibration, the sectional model test methods can be classified into two major categories, i. e. free-vibration method and forced-vibration method.
按照振动驱动机制不同，节段模型试验方法可分为自由振动法和强迫振动法两大类。
According to different driving ways of vibration, the sectional model test methods can be classified into two major categories, i. e. free-vibration method and forced-vibration method.
按照振动驱动机制不同，节段模型试验方法可分为自由振动法和强迫振动法两大类。
应用推荐