风机的振动量测量是风机故障诊断的一个重要参量。
The vibrating signal is an important value in trouble diagnosis of fans.
同时，对我国林业生产中伐术的手部受振动量进行了计算和评价。
Meanwhile, calculation and comments of vibration born by the operator's hands in the felling were made.
研究压电泵振动放射噪声，提出两种由振动量计算压电泵合成声压的理论模型。
Contributes to a research on the vibration radiation noise of piezoelectric pump. Two theory models are introduced, which calculate the synthetic sound pressure according to the vibration quantity.
本文以脉动半球声源为基本物理模型，推导了由振动量计算振动点的界面噪声的理论公式。
This paper develops a theoretical formula for calculating interfacial noise of vibrating point from its vibratory quantity with pulse semisphere sound source as basic physical model.
腿部振动量很小，振动加速度波动大，因此可以在实际测试评价中略去以便提高测试精度。
The legs' vibration is small and fluctuated largely, so the legs' vibration can be ignorant to enhance the accuracy.
求出由轴向振动引起的最大动应力的大小及位置，进而对振动量与最大动应力的关系进行剖析。
The size and location of the maximum dynamic stress induced with axial vibration were found, the relation between the vibration quantity and the maximum dynamic stress was analyzed.
计算的结果表明在一定的能量范围内增加入射原子的平动能及振动量子数对该反应具有促进作用；
The results showed that translation energy and vibrational excitation are effective for the reaction in definite energy range, but rotational excitation is unfavorable for the reaction.
对风机的振动量监测可以采用振动信号波形的实时监测，也可采用对峰峰值或有效值的实时监测。
The measuring vibrating signal method may be used on real time, mean while, vibrating signal can be measured by peak to peak value or true virtual value .
测得了机组的振动量值，对测得的振动信号进行了波形分析、转速谱阵分析及轴心运动轨迹分析。
Tested vibration signal wave form analysis, speed spectrum matrix analysis, and shaft centerline orbit analysis are made.
矿棉离心机转子系统的振动量级高，支承部位易于破坏，其振动控制和故障监测诊断显得特别重要。
On the spot, the vibration level of slag-wool centrifuge is high, and its components damages often occur. Therefore, its vibration control and fault monitoring and diagnosis appear very important.
根据建立的机组轴系动力学模型，计算得到了测试位置处振动量所对应转轮的质量不平衡量值的大小。
Based on calculation of the shafting dynamics model of unit, the value of unbalance mass of runner correspond to the value of vibration quantity in the testing site was obtained.
便携式手持动力工具。手柄部位振动量的测量。第7部分：具有冲击，冲力和棘轮传动动作的扳手，螺锥和螺母拧紧器。
Hand - held portable power tools. measurement of vibrations at the handle. part 7: wrenches, screwdrivers and nut runners with impact, impulse or ratchet action.
测试处理后，系统自动判断三环减速器振动量是否在要求范围内。对于不合格的产品，单片机系统自动激发声光报警系统，并作相应的不合格记录。
Whether the three - ring reducer is qualified is measured automatically by measuring system, which can trigger sound and light alarm system for unqualified product and record it.
频率微扰商是表示连续元音发声时声带振动相邻周期间的微细变动量； 发声效率反映平均气流率与声能的有效转换率。
PP indicates the amount of irregular vibration of vocal folds and I/F represents efficient transition from MFR to acoustic energy.
结果表明，在自由振动后的尾迹中，湍流脉动引起的能量输运能力比动量输运能力强，湍流的梯度输运假设与实验结果符合较好。
It has been proved that vortices transport heat more effectively than momentum, and gradient transport assumption is found to be valid for the turbulence field.
将水滴从不同高度滴在平板音箱板面的各个位置，根据等动量法，建立水滴直径同平板音箱振动信号振幅之间的统计函数关系。
According to the equal-momentum principle, the regression relation between the diameter of the water-drop and the amplitude of the signal can be established.
提出了自适应学习率及动量因子的BP神经网络算法和误差逼近度渐近收缩学习的BP神经网络算法，并将其应用于汽轮发电机组振动故障诊断与识别。
The improved BP algorithms based on adaptive parameters adjustment and error contracting gradually are presented, which are applied successfully to fault diagnosis of steam- turbine generator unit.
提出了自适应学习率及动量因子的BP神经网络算法和误差逼近度渐近收缩学习的BP神经网络算法，并将其应用于汽轮发电机组振动故障诊断与识别。
The improved BP algorithms based on adaptive parameters adjustment and error contracting gradually are presented, which are applied successfully to fault diagnosis of steam- turbine generator unit.
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