speed fluctuation
速度波动：指物体运动速度在一段时间内的变化
常用释义
英式发音
美式发音
基本释义
- 速度波动：指物体运动速度在一段时间内的变化，可能是加速、减速或不规律的变化。
例句
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1·When standard turntable runs, its Angle speed fluctuation is critical for the reliability of calibrated device.标准转台等旋转体在转动时产生的角速度波动对被标定设备的数据可信度有很大影响。
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2·Based on the method of engine crank speed fluctuation, the 58X speed sensor signal is analyzed by the input capture.基于曲轴转速波动法，通过对发动机58齿转速信号进行分析，计算发动机每缸失火粗暴度来判断是否失火。
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3·Moreover, the influence of the geometric parameters on efficiency and speed fluctuation of the roller drives is discussed.并且论文也讨论了滚筒的几何参数对效率和速度变化的影响。
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4·Results show that the motor has good stability. The speed fluctuation is controlled within 3% by the frequency automatic tracking technique.实验结果表明，该电机具有良好的稳定性，利用频率自动跟踪技术对电机转速进行闭环控制，可以将其转速波动稳定在3%之内。
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5·By means of negative feedback, the motor's speed fluctuation of the device, caused mainly by voltage fluctuation of power supply, can be controlled.采用电压负反馈法，控制主要由供电电网产生电源电压波动而引起的储纬器电机转速波动。
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6·While the load pressure fluctuation, the load torque fluctuation and the rotational speed fluctuation mainly affect the steady performance of the system.负载压力波动、加载转矩和转速的波动，主要影响系统的稳态性能。
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7·The algorithm compared with conventional PI D algorithm can restrain the speed fluctuation and the pressure fluctuation effectively within a certain range.该算法与传统PID控制算法相比较，在一定的范围内有效地抑制了系统的速度波动和压力波动。
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8·The relation equations between Normal Mode propagation travel-time and sound-speed fluctuation are used to explain the qualitatively relationship between two spectra.应用简正波传播时间与声速起伏的对应微扰关系式，给出了上述对应关系的理论解释。
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9·The wind speed model considering wake effect can describe power output of wind farm more accurately under wind speed fluctuation, therefore the study result is more practical.考虑风电场内机组间尾流效应的风速模型能较准确地描述风速扰动下风电场输出功率的波动，使研究结果更具有实际意义和价值。
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10·An envelope order spectrum based on multi-scale chirplet and sparse signal decomposition was proposed and applied to the fault diagnosis of gearboxes with rotating speed fluctuation.提出了基于线调频基稀疏信号分解的包络阶次谱方法，并将其应用于变速齿轮箱故障诊断之中。