助手标题  
全文文献 工具书 数字 学术定义 翻译助手 学术趋势 更多
查询帮助
意见反馈
   acoustic noise 的翻译结果: 查询用时:0.009秒
图标索引 在分类学科中查询
所有学科
电力工业
工业通用技术及设备
物理学
更多类别查询

图标索引 历史查询
 

acoustic noise
相关语句
  噪声
     The feedforward ANC(Active Noise Control) is effective to attenuate wide-band acoustic noise, and therefore has wide applications.
     前馈有源噪声控制(active noise control,ANC)方法可在较宽的频带有效。
短句来源
     Influence of Zero Space Vector and PWM Switching Frequency on Acoustic Noise of Induction Motors
     零空间矢量和PWM开关频率对异步电机噪声的影响
短句来源
     Experimental analysis on the commutation strategy for the reduction of vibration and acoustic noise in SR motor
     对降低SR电机振动和噪声的两步换相法的实验分析
短句来源
     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。
短句来源
     Experimental Investigation of the Acoustic Noise of an Underwater Steam Jet
     蒸汽水下喷注噪声的实验研究
短句来源
更多       
  声噪声
     This transducer is mainly applied to the detection of the sodium cavitation noise, but can also be applied to the detection of the boiling noise and the acoustic noise of sodium-water reaction.
     这种探头主要应用于探测钠空穴噪声,亦可用于探测沸腾噪声及钠-水反应的声噪声
短句来源
  “acoustic noise”译为未确定词的双语例句
     Investigation on the acoustic noise origin and emission behavior of a steam microjet in subcooled water
     蒸汽水下喷注噪声的产生机理和辐射规律的研究
短句来源
     A Novel Radiating Rib Structure of Switched Reluctance Motor for Low Acoustic Noise
     一种利于开关磁阻电机降噪的新散热筋结构
短句来源
     From the theoretical analysis and simulation results,the proposed configuration permits flexibility in the choice of voltage levels in the EV,freedom from acoustic noise,and possesses high efficiency,faster system response,less penalty to bulky components and higher energy density.
     研究表明 ,本文提出的高频交流功率驱动系统可以满足电动汽车不同的功率要求 ,具有噪音低、效率高、体积小、重量轻、能量密度高和动态响应快等优点
短句来源
     A novel Dual Half Bridge Series Resonant Inverter (DHB-SRI) for an induction heating appliance with unity power factor is proposed to remove the interferential acoustic noise caused by the difference between operating frequencies of adjacent loads.
     为了除去因相邻的下属操作周波数的差而引起的杂音,提示了具有单一逆流的诱导加热器的新Dualhalf-bridge共振型串连整流器(DHB-SRI)。
短句来源
     Chaotic pulse width modulation(PWM)results in the reduction of the amplitude of harmonic in the switching frequencies,with advantageous effect on the suppression of the acoustic noise concentrated at specific tones in an inverter-driven electric machine.
     逆变器采用混沌PWM(pulse width modulation)调制能够有效抑制开关频率及其倍频附近的高次谐波幅值,从而大大减少逆变器驱动电机的电磁干扰。
短句来源
查询“acoustic noise”译词为用户自定义的双语例句

    我想查看译文中含有:的双语例句
例句
为了更好的帮助您理解掌握查询词或其译词在地道英语中的实际用法,我们为您准备了出自英文原文的大量英语例句,供您参考。
  acoustic noise
Foreshocks far exceed the "acoustic noise level", which is also prevalent before stick-slip events on rough surfaces.
      
Acoustic noise generation is an accompanying effect produced during thermal spraying.
      
Use of this method is hampered by the presence of electronic and acoustic noise in the laboratory environment and by the contact in the experimental configuration.
      
Problem of controlling acoustic noise by passive methods
      
Acoustic noise received by transducers mounted at the end-points of the controlled section of the pipeline are amplified, filtered by band-pass filters, and coded.
      
更多          


A piezoelectrical acoustic transducer is developed. The construction of transducer is described.The transmission of sonic energy in the transducer is analyzed. The inherent frequencies of the transducer are calculated. The measures to improve signal to noise ratio of the acoustic transducer are developed. The method to raise the capability of anti-interference by cross-correlation analysis technique is described. The measurement results of the sodium cavitation noise are given. This transducer is mainly applied...

A piezoelectrical acoustic transducer is developed. The construction of transducer is described.The transmission of sonic energy in the transducer is analyzed. The inherent frequencies of the transducer are calculated. The measures to improve signal to noise ratio of the acoustic transducer are developed. The method to raise the capability of anti-interference by cross-correlation analysis technique is described. The measurement results of the sodium cavitation noise are given. This transducer is mainly applied to the detection of the sodium cavitation noise, but can also be applied to the detection of the boiling noise and the acoustic noise of sodium-water reaction.

本文研究了一种压电式声探头。介绍了声探头的结构,分析了声能在探头内的传送,计算了声探头的固有频率。研究了一种改善声探头信噪比的措施,介绍了应用互相关技术提高探测系统抗干扰能力的方法,给出了钠空穴噪声的测量结果。这种探头主要应用于探测钠空穴噪声,亦可用于探测沸腾噪声及钠-水反应的声噪声。

The most commonly used algorithm for adaptive active acoustic noise controller is Filtered-x Least

自适应有源消声控制器常用的算法是滤波-XLMS(FLMS)算法。该算法收敛速度慢,对噪声自相关矩阵特征值散布敏感,应用于宽带有源消声并不十分理想.本文基于最小二乘原理,提出间歇自适应IRLS算法作宽带噪声有源抵消.该算法利用声波从次级源传播到误差传声器的间隔内递推更新自适应滤波器权系数.IRLS算法的特点是收敛速度快,对噪声特征值散布不敏感.仿真结果表明:与采用FLMS算法的消声系统相比,采用IRLS算法的系统在收敛性,稳定性及降噪量等方面均有显著改进。文章最后分析了IRLS算法硬件实现的可行性。

The vocabulary of communication used by military aircraft pilot and the vocabulary related to accident are established in this paper. The main words in the vocabularies are analyzed in sound spectrograph of Chinese. The factors related to the speech intelligibility of military aircraft pilot-throaty microphones, acoustic noise presented in cockpit, recordings in the control tower-are analyzed in detail. The main factors that affect the intelligibility are given that arc the throaty microphone and the acoustic...

The vocabulary of communication used by military aircraft pilot and the vocabulary related to accident are established in this paper. The main words in the vocabularies are analyzed in sound spectrograph of Chinese. The factors related to the speech intelligibility of military aircraft pilot-throaty microphones, acoustic noise presented in cockpit, recordings in the control tower-are analyzed in detail. The main factors that affect the intelligibility are given that arc the throaty microphone and the acoustic noise presented in cockpit. Improving the direction of throaty microphone is proposed. It is pointed out that the normal filters with fixed parameters are not available to filter the noise from the speech.

建立了军机驾驶员通讯用语词汇库及与故障相关的通讯用语词汇库,并对其中的主要词汇进行了汉语语音语谱分析。对影响军机驾驶员语音清晰度(可懂度)的有关因素——喉头送话器、座舱噪声、塔台录音进行了较详细的分析,得出主要影响因素为喉头送话器和座舱噪声,指出应改进送话器的方向且不能采用常规的固定参数滤波器来滤除座舱噪声。

 
<< 更多相关文摘    
图标索引 相关查询

 


 
CNKI小工具
在英文学术搜索中查有关acoustic noise的内容
在知识搜索中查有关acoustic noise的内容
在数字搜索中查有关acoustic noise的内容
在概念知识元中查有关acoustic noise的内容
在学术趋势中查有关acoustic noise的内容
 
 

CNKI主页设CNKI翻译助手为主页 | 收藏CNKI翻译助手 | 广告服务 | 英文学术搜索
版权图标  2008 CNKI-中国知网
京ICP证040431号 互联网出版许可证 新出网证(京)字008号
北京市公安局海淀分局 备案号:110 1081725
版权图标 2008中国知网(cnki) 中国学术期刊(光盘版)电子杂志社