1) shake off
振落
2) vibration level difference
振级落差
1.
Optimization design of the gearbox mounting under vibration level difference constraints;
考虑振级落差要求的齿轮箱基座优化设计
2.
Two kinds of structural optimization formulations minimizing the weight of the mounting with vibration level difference constraints are established: 1) topology optimization of the bottom of the mounting;2) combination of free-size optimization of ribs and topology optimization of the bottom of the mounting.
在满足指定振级落差设计要求下,进行底座和腹板材料拓扑布局动力学优化,减轻基座的重量。
3.
Through the computations on finite element power flow level difference and vibration level difference for the combined structure,the merits of these two kinds of evaluation methods are compared.
通过对板梁组合结构有限元功率流落差与振级落差计算,研究两种评价方法的优缺点。
3) collapse vibration
塌落振动
1.
Through analyzing the monitoring results,we found that the blasting vibration caused by city demolition blasting is usually smaller,while,the influence of backlash and collapse vibration on surrounding buildings are bigger with the increase of the height,mass and cubage of the building.
分析测试结果得出,城市拆除爆破引起的爆破振动一般较小,而后座和塌落振动随着建筑物高度、质量和体积等的增大对周围建筑物的影响往往较大;后座振动对拆除建筑物的后座方向,即倾倒的反方向影响较大,且振动值的大小与拆除建筑物的质量、体积、重心高度、结构材料以及后排柱的承载力大小等有关;塌落振动对其倒塌方向的影响较大,而对侧、后方的影响相对较小;爆破振动衰减较快,而后座和塌落振动因其低频特性衰减相对较慢。
4) polarization fading
偏振衰落
1.
Dynamic compensation technique for polarization fading in interferometric optical fiber sensors;
干涉型光纤传感器偏振衰落动态补偿技术
2.
Interferometer Michelson fiber-optic hydrophone which doesn t sensitive to the polarization fading is designed.
设计了对偏振衰落不敏感的迈克尔逊干涉型光纤水听器,系统通过使用直接调制光源的相位载波零差检测方式实现了光纤水听器相位载波(PGC)解调,并给出了实验测试结果。
5) polarization-induced fading
偏振衰落
1.
This paper put forward a new method to overcome the polarization-induced fading (PIF) in conven-tional low-birefringence optical fiber constructed interferometric sensorBy inserting high-frequency modulation to the state of polarization in any one of arms of an interferometer,and by adding an high-frequency filter circuit,can achieve the interferometer′s visibility is 070
针对低双折射光纤双束干涉型传感器两臂偏振态随机变化引起的信号衰落 ,提出了一种新型干涉型光纤传感器的消偏振衰落方案。
2.
Firstly, Jones matrix is used to analyze the principle to eliminate polarization-induced fading in Michelson fiber interferometer.
论文首先阐述了偏振态变化导致的信号衰落问题，利用Jones矩阵法分析了Michelson光纤干涉仪消偏振衰落的原理，对在原有Michelson光纤干涉仪末端加入法拉第旋转镜(FRM) 的消偏振衰落技术进行了理论分析和实验验证。
6) Dislodging fruits by vibration
振动落果
补充资料：振落
1.谓叶将枯而震之使落。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条