It may be an environment-simulation device such as a centrifuge or electro-mechanical vibrator . 可能是一种环境模拟装置,如离心机或机电式振动台。
Electrodynamic shakers are used in most cases because they can operate over a broad frequency range with accurately controlled waveform . 极大多数的情况下应用电动振动台,因为它能在一定广的频率范围内工作并且能准确地控制波形。
Vibration - level control system of mechanical vibrator 机械振动台的振级控制系统
Specification for electrodynamic vibration generator system 电动振动台技术条件
Shake table test on pile foundation in saturated sand 饱和砂土中桩基的振动台试验
Standard vibrator in middle frequency band comparison method 中频标准振动台
Specification for mechanical vibration generator system 机械振动台技术条件
Research on shaking table test of base isolation building 基础隔震房屋模型振动台试验研究
Verification regulation of vibrator for compacting mortar specimen 水泥胶砂振动台检定规程
Then , the forward position solution is researched 然后重点研究了振动台的位姿正解计算。