| 1. | Study of armature correction system of electrical vibration table with high - linear - acceleration 离心力场下电动振动台及动圈纠偏系统动特性的研究 |
| 2. | Usually , there are three kinds of vibration table - mechanical vibration table , hydraulic vibration table and electronic vibration table 通常使用的振动台有机械式振动台、液压式振动台和电动式振动台三种振动台。 |
| 3. | To compare with the results of the testing , acceleration time - histories outputted from table - board of vibration table 为了与试验结果进行比较,有限元计算时采用振动台台面输出加速度时程作为计算模型输人地震动加速度时程。 |
| 4. | An approach has been made upon problems of tuning natural frequency of variable stiffness elastic support of 3d vibration strengthening polishing vibration table 对三维强化、抛光振动台变刚度弹性支承调谐固频的问题进行了探讨。 |
| 5. | ( 2 ) in order to verify derivation equation and corresponding code effectiveness , four - point exciting experiment of plate structure is set up by applying vibration table , then part correlation data is obtained ( 2 )对板结构做试验验证推导公式的有效性,应用振动台采取4点激振试验,并且获得部分相关的输入数据。 |
| 6. | Among them , electro - hydraulic servo vibration table is a special kind of vibration environment simulated equipment which is widely used in national defense industry , such as missiles , rockets and satellites 其中电液伺服振动台作为一种独特的振动环境模拟设备在导弹、火箭、卫星等国防工业的发展中有独特的作用。 |
| 7. | In this dissertation , based on the analysis of present situation on vibration table at home and abroad , then the dynamic characteristic of moving element of vibration table under coupling status has been studied deeply 本文在分析了国内外振动台研究现状的基础上,对水下振动台运动部件的动态特性进行了深入的研究。 |
| 8. | Vibration table is a kind of standard experiment equipment which is used to provide classical vibration conditions , simulate and reappear the environment , test and evaluate the mechanical function of all kinds of engineering equipment 振动台是一种在实验室内提供典型振动条件或模拟再现环境、用以检验和评价各类工程装置及设备机械力学性能的标准试验设备。 |
| 9. | Consider to simplifying the process of calibrating dynamic error parameters of accelerometer and shortening the time of calibrating test , all dynamic error parameters are calibrated at one - time , based on the mathematic model of dynamic error of accelerometer and integrating the model and the testing theory of the three - axis turntable , meanwhile , the angle - vibration table is avoided 摘要为了简化加速度计动态误差系数的标定过程,缩短标定试验时间,在建立加速度计动态误差数学模型的基础上,结合三轴转台模型及测试原理,一次性标定出加速度计动态误差系数,同时避免了角振动台的使用。 |
| 10. | In chapter three , the importance of maintaining the equal optical path between measuring beam and reference beam in measuring horizontal and vertical vibration table are analyzed , and the factors having effect on contrast degree of interference fringe are introduced . for improving the accuracy of laser - vibration - measuring - system , the phase - modulation - multi - period - average method and the vibration isolated of system are analyzed 第三章分析了光路设计中的等光程问题的重要性,以及影响干涉条纹对比度的相关因素;并从提高测量精度的角度分析了调相多周期平均法和系统的隔振。 |