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降低噪声     
相关语句
  noise reduction
     An Experimental Study on Noise Reduction for CA130 Light Truck.
     CA130型轻型车降低噪声的试验研究
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     Research on Noise Reduction by Use of Hybrid Muffler
     采用复合式消声器降低噪声的研究
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     Optimum Design of Circular Tooth Hyperboloidal Gear for Noise Reduction
     圆弧齿双曲面齿轮降低噪声的优化设计
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     The influential factors of noise for dimethyl ether engine are studied and analyzed through experiments by using method of combustion noise and effective solutions for noise reduction are found out.
     选择了燃烧噪声的研究方法,对二甲醚发动机噪声的影响因素进行了试验研究和分析,明确了降低噪声的有效途径。
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     The Experimental Development of Noise Reduction for the Tracked Armoured Personal Carrier
     履带式装甲输送车降低噪声的实验研究
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更多       
  reduce noise
     Conclusion\ Experiments prove that the presented method can reduce noise, increase signal to noise ratio and improve image quality.
     结论 实验结果表明该方法能降低噪声 ,提高信噪比 ,改善图像质量
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     The results demonstrate that diagonal modification gears can reduce noise 2 dB(A).
     结果表明,对角修形齿轮可降低噪声2dB(A)。
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     To reduce noise is a main content in consideration for gear box design.
     降低噪声是齿轮箱设计要考虑的主要内容。
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     In order to reduce the noise of large cold saw, characteristics of its frequency spectrum was analyzed, Using water curtain to reduce noise has made certain effects, and the noise is redced from 108 dB to 89 dB.
     为了降低大冷锯的噪声,对其频谱特性进行了分析研究,并采用水幕技术降低噪声,取得了一定效果,使噪声由108分贝降至89分贝。
短句来源
     The results of experimental project reveal that compared with asphalt concrete(AC) pavement,SDGP can reduce noise by 2~3 dB(A) for cars at velocity of 40~80 km·h~(-1).
     试验路的测试结果证明,对小汽车而言,车速在40~80 km. h-1时,与普通沥青混凝土(AC)路面相比,骨架密实型降噪路面可降低噪声2~3 dB(A).
短句来源
更多       
  lower the noise
     The design is done first in an equivalent lumped circuit model,then how to improve the stability of the circuit and lower the noise figure are discussed,and finally it works out a circuit simulation result of a two step LNA with the working passband 1650M~2350M,the gain G>29dB,the gain flatness GF±1dB,noise figure <0.8dB.
     设计过程首先从等效集总元件电路模型设计入手,然后对如何提高电路稳定性,降低噪声系数等方面进行了探讨,最后给出了工作带宽为1650M~2350M,增益G>29dB,增益平坦度GF±1dB,噪声系数NF<0.8dB的两级低噪声放大器的电路仿真结果。
短句来源
     In which, one of the most important contents is to reduce the vibration strength, lower the noise so as to improve the comfortness and pay more attention to this.
     其中减轻振动强度,降低噪声水平以提高乘车舒适性是最重要的内容之一,而且受到越来越多的重视。
短句来源
     Since power train is the main source of vibration which has significant influence on riding comfort, vibration can be sharply decreased by a well-designed power train so as to improve the riding comfort and lower the noise.
     汽车动力总成是汽车振动的主要激振源之一,对汽车的乘坐舒适性有很大的影响。 设计合理的汽车动力总成悬置系统可以明显地降低汽车的振动,改善汽车的乘坐舒适性和降低噪声
短句来源
     The source of noise in machine building plant was analysed,and the technology and administration way to lower the noise in the workshop was worked out in accordance with the special characteristics of noise.
     分析了机械制造工厂的噪声来源 ,并针对其噪声源特点 ,提出了降低噪声的技术措施和行政管理措施
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     Carried on the monitor and analyseses to the highway transportation noise condition in recent years, explains the disservice of it, and elaborated to lower the noise measure.
     对近年来公路交通噪声状况进行了监测与分析,说明交通噪声对人们的危害,阐述了降低噪声的措施。
短句来源
  decrease noise
     Traditional noise control mainly focus on reducing the damage to human ear by decrease noise.
     传统的噪声控制主要是从减低人耳听力损伤方面考虑来进行噪声控制的——降低噪声声级。
短句来源
     The traditional low-pass filter method can restrain the high frequency part and decrease noise but may destroy image detail, and other methods also have other defects.
     传统的低通滤波方法将图像的高频部分滤除,虽然能达到降低噪声的效果,但会破坏图像的细节。
短句来源
     The vibration and noise causes in urban rail transit are analyzed. And from the sources control, isolating transmission ways and other aspects corresponding measures are proposed to reduce vibration and decrease noise, which provide references for environment protection in development of urban rail transit.
     分析了城市轨道交通中噪声产生的原因 ,并从控制噪声源、隔离传播途径等方面 ,提出了在城市轨道交通中降低噪声的措施 ,以治理城市轨道交通中的噪声问题
短句来源
     The noise of traction motor system is analysis to exertion the environment-protect role of EV.And the ways to decrease noise are detailed in the last.
     为了更好发挥电动汽车环保作用,对电机系统进行了噪声分析,并对降低噪声的方法进行了初步探讨。
短句来源

 

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  noise reduction
Digital-noise reduction with decoupling capacitors in ever faster (lower voltage/impedance) technologies for mixed-signal applications is being gradually rendered ineffective by line resistance to the capacitors.
      
In contrast, blocking inductors show excellent noise reduction in SPICE simulations, the LdI/dt self-perturbance being solved with local auxiliary capacitors.
      
Our experiment may become a powerful facility to test quantum noise reduction schemes such as the use of squeezed light or quantum locking of mirrors.
      
A mechanism of current noise reduction in systems of ion beam formation from vacuum arc plasma
      
Noise reduction by diaphragming laser beam in the optical detection system of an atomic force microscope
      
更多          
  reduce noise
In this paper, a new method for nonlinear filtering of images based on trace transform is suggested; it can be used to reduce noise, quantize images, and construct their polygonal approximations.
      
Making clear the generation mechanism of fluid dynamic noise is essential to reduce noise deriving from turbomachinery.
      
This paper presents a new edge detector using 5×5 mask, which can reduce noise efficiently but not increase the width of the detected edge which always happens in the case of using the 5×5 window edge detector.
      
By means of optimization technique, the optimum operational parameters for two working conditions of the engine were selected and the test results showed that optimum adjustment could reduce noise by 2-4 dB.
      
This study investigates how to reduce noise and vibration in aircraft cabins with Pb(TiZr)O3 (PZT), using a semi-monocoque structure 1.5 m in diameter and 3.0 m long with a 2.3 mm skin, which simulates an aircraft body.
      
更多          
  lower the noise
A sensitivity threshold based on the global condition is used to lower the noise.
      
A classical radioastronomy receiver is fed with a corrugated horn and an independent lens, both placed in a cryostat to lower the noise temperature.
      
The observed difference in their noise performance implies that the increase of the thicknesses of both the active layer and the top electrode pad can significantly lower the noise levels and in turn lead to higher detectivity.
      
A careful optimization of geometrical and other core parameters can also lower the noise in the voltage signal.
      
Lower The noise and gain of one of our best cryogenic amplifiers.
      
更多          
  decrease noise
Current studies emphasize the use of array coils to decrease noise and increase the signal-to-noise ratio (SNR) and contrast-to-noise ratio (CNR).
      
Again, this mainly serves to decrease noise in the clustering result.
      
Hearing protectors need to decrease noise levels by the correct amount, not too much or too little.
      
In order to decrease noise amplification during differentiation, we decimated with a factor of 5 before differentiation.
      
Locate stationary equipment away from receiving properties to decrease noise from that equipment in relation to the increased distance.
      
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