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- severe acoustic noise environment 严重噪声环境
- severe acoustic noise 严重音响噪声
- Some common measures to reduce mechanical acoustic noise are summarized. 并对一些常用的降低电机机械噪声的措施和方法进行了综述。
- The wide application of switched reluctance motor(SRM) is limited by their higher vibration and acoustic noise. 针对开关磁阻电动机运行的振动和噪声问题,基于频域分析方法,研究了电压PWM运行方式下,采用两步换相法降低开关磁阻电动机振动和噪声的机理。
- Considerable vibration and acoustic noise limit the application of Switched Reluctance Motors (SRMs). 大的振动和噪声阻碍了开关磁阻电机的推广应用。
- Part II of this Lab examines a technique for minimizing the effects of scanner acoustic noise on auditory activation. 本实验的第二部份，要探讨减低造影仪噪音的技术对听觉活化的影响，这个技术称为集中扫瞄法。
- The Nautilus meets withstands shock, vibration, salt, fog, drip, fungus, acoustic noise, and EMI. 鹦鹉螺还能抵抗撞击、振动、防盐防雾、防渗水并能经受噪声和电磁干扰的影响。
- Excellent acoustic noise reduction features, users create a work of quiet living environment. 卓越的隔声降噪功能，为使用者创造宁静的工作生活环境。
- Using the acoustic noise signal generated by driving motor vehicles to vehicle classification is a new and promising method. 利用车辆行驶过程中所产生的声频噪声信号进行车型分类是一种新方法，有较大应用前景。
- This paper also investigated the influence of the zero vector and PWM switching frequency on the acoustic noise radiated by induction machine. 选择适当的PWM开关频率能有效地降低电机的噪声·
- Cogging torque is one of the most important parameters of PM motors,which causes torque ripple,vibration and acoustic noise. 齿槽转矩是永磁电机最重要的参数之一,它的存在会造成电机的转矩波动、振动和噪声。
- Cogging torque is one of the most important parameters of PM motors, which causes torque ripple, vibration and acoustic noise. 摘要齿槽转矩是永磁电机最重要的参数之一，它的存在会造成电机的转矩波动、振动和噪声。
- As the radial vibration of stator is the origin of the acoustic noise of SRMs, model analysis of stator vibration is the effective way to the research for low acoustic noise. 由于定子的径向振动是开关磁阻电机噪声的主要根源,因此定子振动系统的模态分析是降噪研究的有效手段。
- And the fact is that most regular rooms suffers from severe acoustical problems. 而事实上，大部分的普通房间都存在严重的声学问题。
- Several acoustic features of the knocks and grunts were temperature dependent,particularly the grunt pulse period,which strongly decreased at higher temperatures. 敲击声和呼噜声的某些声学特征与温度相关,特别是在较高的温度下呼噜声的节拍间隔急剧下降。
- The acoustic noise generated by the rotate point source, UH-1H rotor in hover and AH-l/OLS in forward flight were calculated, and the computed results from several methods were compared with each other and with the experimental data. 采用旋转点源、UH-1H悬停旋翼、AH-1/OLS前飞旋翼作为算例，对所采用的各种噪声预测方法进行了比较。
- Research on torque ripple and acoustic noise reduction in switched reluctance motor (SRM) is one of the important topics in developing the performance of switched reluctance drives (SRD). 研究抑制开关磁阻电机(SRM)的振动和噪声是改善开关磁阻电动机调速系统(SRD)性能的重要课题之一。
- Based on analyzed in frequency domain,this paper researches on the mechanism of the two-stage commutation method for reduce vibration and acoustic noise in SRM with voltage-PWM control mode. 针对开关磁阻电动机运行的振动和噪声问题,基于频域分析方法,研究了电压PWM运行方式下,采用两步换相法降低开关磁阻电动机振动和噪声的机理。
- As the radial vibration of stator is the origin of the acoustic noise of Switched Reluctance Motors, modal analysis of stator vibration is the effective way to the research of low acoustic noise. 由于定子的径向振动是开关磁阻电机噪声的主要根源,因此定子振动系统的模态分析是降噪研究的有效手段。
- The play was taken off because of severe criticism. 由于遭到严厉批评，该剧停演了。
