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- Some common measures to reduce mechanical acoustic noise are summarized. 并對一些常用的降低電機機械噪聲的措施和方法進(jìn)行了綜述。
- The wide application of switched reluctance motor(SRM) is limited by their higher vibration and acoustic noise. 針對開(kāi)關(guān)磁阻電動(dòng)機運行的振動(dòng)和噪聲問(wèn)題,基于頻域分析方法,研究了電壓PWM運行方式下,采用兩步換相法降低開(kāi)關(guān)磁阻電動(dòng)機振動(dòng)和噪聲的機理。
- Considerable vibration and acoustic noise limit the application of Switched Reluctance Motors (SRMs). 大的振動(dòng)和噪聲阻礙了開(kāi)關(guān)磁阻電機的推廣應用。
- Part II of this Lab examines a technique for minimizing the effects of scanner acoustic noise on auditory activation. 本實(shí)驗的第二部份，要探討減低造影儀噪音的技術(shù)對聽(tīng)覺(jué)活化的影響，這個(gè)技術(shù)稱(chēng)為集中掃瞄法。
- The Nautilus meets withstands shock, vibration, salt, fog, drip, fungus, acoustic noise, and EMI. 鸚鵡螺還能抵抗撞擊、振動(dòng)、防鹽防霧、防滲水并能經(jīng)受噪聲和電磁干擾的影響。
- Excellent acoustic noise reduction features, users create a work of quiet living environment. 卓越的隔聲降噪功能，為使用者創(chuàng )造寧靜的工作生活環(huán)境。
- Using the acoustic noise signal generated by driving motor vehicles to vehicle classification is a new and promising method. 利用車(chē)輛行駛過(guò)程中所產(chǎn)生的聲頻噪聲信號進(jìn)行車(chē)型分類(lèi)是一種新方法，有較大應用前景。
- This paper also investigated the influence of the zero vector and PWM switching frequency on the acoustic noise radiated by induction machine. 選擇適當的PWM開(kāi)關(guān)頻率能有效地降低電機的噪聲·
- Cogging torque is one of the most important parameters of PM motors,which causes torque ripple,vibration and acoustic noise. 齒槽轉矩是永磁電機最重要的參數之一,它的存在會(huì )造成電機的轉矩波動(dòng)、振動(dòng)和噪聲。
- Cogging torque is one of the most important parameters of PM motors, which causes torque ripple, vibration and acoustic noise. 摘要齒槽轉矩是永磁電機最重要的參數之一，它的存在會(huì )造成電機的轉矩波動(dòng)、振動(dòng)和噪聲。
- 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. 由于定子的徑向振動(dòng)是開(kāi)關(guān)磁阻電機噪聲的主要根源,因此定子振動(dòng)系統的模態(tài)分析是降噪研究的有效手段。
- 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. 采用旋轉點(diǎn)源、UH-1H懸停旋翼、AH-1/OLS前飛旋翼作為算例，對所采用的各種噪聲預測方法進(jìn)行了比較。
- 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). 研究抑制開(kāi)關(guān)磁阻電機(SRM)的振動(dòng)和噪聲是改善開(kāi)關(guān)磁阻電動(dòng)機調速系統(SRD)性能的重要課題之一。
- Opened the show with an acoustic set. 不用電子樂(lè )器開(kāi)始演出
- 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. 針對開(kāi)關(guān)磁阻電動(dòng)機運行的振動(dòng)和噪聲問(wèn)題,基于頻域分析方法,研究了電壓PWM運行方式下,采用兩步換相法降低開(kāi)關(guān)磁阻電動(dòng)機振動(dòng)和噪聲的機理。
- 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. 由于定子的徑向振動(dòng)是開(kāi)關(guān)磁阻電機噪聲的主要根源,因此定子振動(dòng)系統的模態(tài)分析是降噪研究的有效手段。
- At last, GUI in VC++ language is used to set parameters of radiate noises of torpedo.It can also be used to display and analyze acoustic noise. 最后，使用VC++語(yǔ)言編寫(xiě)人機顯控界面，它可以實(shí)現魚(yú)雷輻射噪聲參數的設置和噪聲信號圖形的顯示分析。
- A loud noise from the street diverted my attention. 街上一陣喧鬧聲轉移了我的注意力。
- The noise awoke her from her revery. 這聲音把我她從沉思中驚醒。
- You must have an acoustic problem. 你的聽(tīng)覺(jué)一定有問(wèn)題。
