The paper introduces the principle of torsion vibration simulator on turbo-generator rotor system, and computes natural characteristics using Riccati matrix.
介绍了汽轮发电机组轴系扭振模拟系统的设计原则，利用雷卡迪传递矩阵分析计算了汽轮发电机组轴系扭振的固有特性。
In this paper, a method of designing a vibration simulator based on FPGA, ADC and high-speed DAC is discussed. Hardware block diagram and main FPGA design for this simulator are introduced.
介绍了一种基于FPGA、ADC和高速DAC的振动模拟器的设计方法，并给出了该模拟器的硬件原理框图和FPGA设计的核心模块。
In June, a Crew Module Adapter (CMA) simulator arrived at NASA Glenn's Plum Brook Station for testing, including all-important acoustics and mechanical vibration tests to simulate launch conditions.
六月，一个乘员舱适配器(CMA)模拟器抵达nasa格伦的梅溪站进行检测，包括所有重要的声学和机械振动试验，模拟发射条件。
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