转速波动的英文

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英文翻译
造句

fluctuation of speed
revolution fluctuation
speed fluctuation

转速 speed; revolution; rotation ...
波动 undulate; fluctuate; unsettl ...
转速波动率 pulsating rate of revolution; speed fluctuation rate
加速波动 beschleunigungsschwankung acceleration fluctuation
空速波动 airspeed fluctuation
慢速波动 slow speed fluctuation
压速波动 pressure velocity surge; pressure-velocity surge
热怠速波动补偿 hic hot idle compendent
避免快速波动的条件（如温度和盐度） avoid rapid fluctuations in conditions
高速波 fast wave
极速波 zobot; zotob
加速波 accelerating wave; acceleration wave; wave， accelerating
减速波 wave， decelerating
音速波 sonicboom
波动 1.(不稳定) undulate; fluctuate; unsettle; surge; rise and fall 情绪波动 in an anxious state of mind; 蔬菜价格随气候波动。 the price of vegetables fluctuates according to the weather.2.[物理学] wave (motion); wave propagation; undulation; fluctuation; fluctuating; undulatory; 波动变量 wave variable; 波动电流 undulating current; fluctuating current; 波动阀 flutter valve; 波动方程 wave equation
转速 speed; revolution; rotation rate; speed of revolution; rotating speed; rotational speed◇转速指示器 speed indicator; shaft revolution indicator
超音速波 supersonic wave
超音速波阻 supersonic wave drag
富士速波 subarb
高速波谱学 high-speed spectroscopy; high-speedspectroscopy
回旋加速波 cyclotron wave
加速波导 accelerating waveguide
流速波形 flow velocity waveform
慢加速波 slow accelerating wave
速波放大 magnification for rapid waves

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例句与用法

Speed fluctuation rate
转速波动率
Diagnosis of single cylinder misfire using the transient speed fluctuation of crankshaft
利用实测发动机瞬态转速波动诊断单缸熄火
Dtc system is a high - performance adjustable speed system with fast torque response , but it still has some defects such as torque ripple , speed fluctuate and bad performance in low speed
该控制系统的转矩响应迅速，是一种有高动态性能的交流调速方法。然而，直接转矩控制仍存在转矩脉动、转速波动、低速运行性能差等缺陷。
This paper makes the feasibility design and study of the dtc ( direct torque control ) system based on analyzing some important parts , such as the arithmetic model of asynchronous motor in - coordinates , the choice of voltage vectors , and flux - linkages models , etc . the research work in this paper is described as follows : 1 analyzing of the dtc theory : material about the development and theory of dtc , the composing of dtc - system are presented in this paper
本文在详细分析了定子坐标系下的异步电动机数学模型、电压空间矢量和磁链观测器的基础上，利用直接转矩控制技术，构建了基于dsp的直接转矩控制系统。论文的主要工作包括以下三个方面： 1直接转矩理论分析研究：针对直接转矩控制理论在低速范围转矩观测器和转速波动等问题，采取了滞环模式切换，矢量细分等改进措施。
The system has following functions : showing indicator diagram , the mean value of maximum pressure , maximum pressure raise rate and rotating speed , the distribution of maximum pressure , maximum pressure raise rate and ignition advance angles , the speed fluctuation in cycle , speed fluctuation between cycle and ignition advance angles
本系统可以完成如下的工作：测量摩托车发动机的平均示功图；平均最大压力上升率；平均最高压力；平均转速；点火提前角；最大压力分布；最大压力上升率分布；点火提前角分布；循环内转速波动；循环间转速波动等。
Abstract : the simulated calculation and analysis of the fluctuation of the instantaneous speed of a diesel engine are presented . the important factors , influencing the measurement precision of the instantaneous speed , are discussed . the correct measurement method is presented . the instantaneous speeds of diesel engine are measured and processed in a laboratory condition . compared the simulated instantaneous speed with the measured instantaneous speed , the simulated result is correspondence with the measured result . the characteristic parameters and the criteria of the instantaneous speed for detecting the leakage of valves in diesel engine are provided , and diagnosis accuracy is confirmed on 4120sg diesel engine
文摘:对瞬时转速波动进行了仿真分析计算；实测了发动机的瞬时转速；对比了实测与仿真计算的瞬时转速波形，两者相当一致；讨论了影响瞬时转速测量精度的关键因素；提出利用瞬时转速进行故障诊断的特征参数及判据，并在诊断4120sg型柴油机气门漏气故障中得到证实
It is discovered that the fluctuating increment of the instantaneous angular acceleration curve of crankshaft ( ay method ) put forward in this paper can be used to diagnose the power and compression condition of multi - cylinder engine in the state of shorter , more rigid crankshaft and lighter torsional vibration and in the rapidly diagnosed situation , and the ay method is better than the fluctuating increment of the instantaneous rotation speed curve of crankshaft ( n method ) which is used widely now
结果发现，在内燃机曲轴较短、刚性较大、扭振较小、对诊断速度要求很快的场合，用本文提出的曲轴瞬时角加速度波动增量j法能较准确地判断多缸内燃机各缸的作功状况和压缩状况，优于目前广泛使用的曲轴瞬时转速波动增量n法。
The simulated calculation and analysis of the fluctuation of the instantaneous speed of a diesel engine are presented . the important factors , influencing the measurement precision of the instantaneous speed , are discussed . the correct measurement method is presented . the instantaneous speeds of diesel engine are measured and processed in a laboratory condition . compared the simulated instantaneous speed with the measured instantaneous speed , the simulated result is correspondence with the measured result . the characteristic parameters and the criteria of the instantaneous speed for detecting the leakage of valves in diesel engine are provided , and diagnosis accuracy is confirmed on 4120sg diesel engine
对瞬时转速波动进行了仿真分析计算；实测了发动机的瞬时转速；对比了实测与仿真计算的瞬时转速波形，两者相当一致；讨论了影响瞬时转速测量精度的关键因素；提出利用瞬时转速进行故障诊断的特征参数及判据，并在诊断4120sg型柴油机气门漏气故障中得到证实