1) calibration shacking table
标准振动台
2) Ultra-low frequency standard vibrator
超低频标准振动台
1.
In the paper,based on the analysis of conventional low frequency standard vibrator,kinetic equation of ultra-low frequency standard vibrator is studied,and the approximate expression and formula for waveform distortion are given Analyzing this formula,the factors affecting waveform distortion such as damping,vibration amplitude,frequency,nonlinear coefficient of suspension spring are .
本文在国内已有的低频标准振动台研究基础上 ,首次建立了超低频标准振动台的动力学方程 ,并求出了其近似解析解和波形失真度计算公式。
2.
In this paper, a new compound controller with PID controller and ILC controller was designed ,and applied to sine waveform control in ultra-low frequency standard vibrator.
将迭代自学习控制与传统PID 控制相结合构成一种新的复合控制策略,应用于超低频标准振动台台面正弦波形的反馈控制上,获得了满意的结
3) standard
标准
1.
Study on the relation of the standards,quality and praduction of the chemical products;
试论化工产品的标准、质量和生产的关系
2.
Discussion of Perfecting Standard System of Domestic Ecological Textiles;
浅论我国生态纺织品标准体系的完善
3.
Acceptance standards and attention needing issues related to mining project construction;
矿山建设项目竣工验收标准和应注意的问题
4) standards
标准
1.
Wrought aluminum sheet tolerance contrasts between foreign and Chinese standards;
国内外变形铝合金板材标准尺寸偏差对比
2.
Review of management regulations and standards on food additives in the world;
国内外食品添加剂管理法规与标准概述
3.
On the assessment methodology and standards for nutrition status in channel type reservoirs based on zoning of eutrophication sensitivity;
河道型水库基于敏感性分区的营养状态标准与评价方法研究
5) standardization
标准
1.
Review and prospect of China surfactant and detergent standardization Secretariat of China Surfactant and Detergent Standardization Technology Committee;
中国表面活性剂和洗涤用品标准化回顾及展望
2.
Status and countermeasure of MEMS sensors standardization;
MEMS传感器的标准化现状与发展对策
6) criterion
标准
1.
Discussion of criterion on“the vacuum freeze-drying equipment for food”;
关于《食品真空冷冻干燥设备》标准的探讨
2.
The classification and evaluation criterion of low permeability reservoir:An example from Ordos Basin;
论低渗透储层的分类与评价标准——以鄂尔多斯盆地为例
3.
The necessity of establishing perfect criterion of fermented soy sauce,vinegar and blended soy sauce,vinegar;
亟待制定酿造酱油、食醋和配制酱油、食醋统一的完善的标准(上)
参考词条
补充资料:振动台
振动台
vibrator
zhelldongtai振动台(vibrator)用于试件的振动试验和振动计t器具检定和校准,其振动参数符合规范又可控制的振动发生器。按其用途,可分为试验振动台和校准振动台,试验振动台用于整机或部件的可靠性、耐疲劳性及耐振强度等试验,校准振动台用于振动计t器具的检定和校准。按机械振动的作用方向,可分为垂直、水平和角度振动的振动台。按产生振动分量的数目(或振动自由度),可分为单向直线振动和扭转振动的振动台,以及多分量平面和空间振动的振动台。按振动信号性质,可分为正弦、随机、瞬态冲击及其组合的振动台。按产生振动的结构原理,可分为机械式、电动式、液压式、磁致伸缩式、电致伸缩式(即压电晶体式)等。振动台的主要技术指标是:①振动参数,如工作频段、位移、速度、加速度、推力等的极限值及其稳定性等;②振动信号质t,如波形失真度、台面均匀度、横向振动比等;③功能性指标,如扫频定振精度、扫频方式和范围、扫速误差及保护功能等;④辅助性指标,如台面漏磁性、噪声、工作时间及交越频率等。 (施昌彦)
说明:补充资料仅用于学习参考,请勿用于其它任何用途。