查询词典 noise

The conˉstruction of noise damping tower to form resonance cavity and the utilization of the soft noise insulaˉtion device can sovel the intermediate- lowfrequency noise .

通过研究2K58-28型轴流风机的噪声问题，阐述了建消声塔形成共振腔及采用软隔声装置等办法解决中、低频噪声治理难题。

In this article, the direction determining of low-noise targets and measurement of underwater noise level in the condition of surface noise is discussed.

文章摘要：文章对存在海洋表面噪声时的低噪声目标的方向测定问题和水下噪声级测定问题进行了讨论。

This paper divides general noise eliminations into four groups by the characters of noise in the reflection seismic exploration,analyses their merits and demerits and compared methods with others.The same time,we introduce application domain of the noise eliminations.

本文从反射法地震勘探中噪声的特性出发，将常用的去噪方法分为四类，分析了它们的优点和局限性，并且对不同的处理方法进行了简单的比较，介绍了他们的应用领域。

The histogram equalization technique can improve the contrast of the images degraded by environmental factors like fog, rain, and so on. The noise removal technique can effective remove the pepper-and-salt noise and Gaussian noise.

经研究发现，若影像经「亮度等值化」，可降低外在环境影响；「杂讯滤除处理」可有效降低胡椒盐杂讯及高斯杂讯。

The wave-front detection technique can amplify the variations of the wave-front of the debris flow. The debris flow becomes easy to discriminate. Based on the clean images processing, the detection ratio of the multiple filtering technique can increases from 56.36% to 95.27%. The noise removal technique can effective remove the pepper-and-salt noise and Gaussian noise. The clean images will reduce the false alarm rate for detection of remaining ratio technique.

土石流波前判识」使用前处理影像，可有效的将土石流波前扰动强度放大，较易正确判识出土石流波前；「多重滤波判识」经影像前处理后，可降低因环境带来的不当讯息，结果发现，其判识率由56.36%大幅提升至95.27%；「溪床特定物残留率」判识时，易将杂讯视为特定物，滤除杂讯可有效降低误判之机率。

This is advantageous because if the scheme had averaged the noise but kept the resolution the same then the noise threshold of the converter could have become limited by the quantisation noise therein.

这是有益的，因为该方案平均了噪声，但是将分辨率保持为相同，所以转换器的噪声阈值会变得受其中的量化噪声限制。

Objective To develop a kind of preliminary screening acoumeter for the prevention of noise-induced hearing loss. Methods This portable preliminary screening acoumeter based on ARM7 LPC2148+SD card+VS1003 can make anti-noise hearing protection.

目的 研制强噪声引起听力损伤预防和快速初筛仪，能预防强噪声给人员带来的听力损伤，并能实施听力损伤的快速筛查。

This paper offers a numerical method for the optimal design of active noise cancellationinthree dimensional space based on the theory of radiation of noise sources and the additivity of linear soundfield.

本文根据声源辐射理论和线性声场迭加原理，提出了一种三维空间有源消声的数值优化方法。

There is no noise elimination measure and noise standards to AHU, air supply unit, exhaust fans.

4空调机组、新风机组、排风机均无消声措施及噪声指标。

Other efforts include the extension of the Red Line in South Quincy and Alewife, the relocation of the Orange Line in Boston's Southwest Corridor, and modernization of the Commuter Rail Network, the restructuring of the MBTA, the formulation of noise rules to halt the increase in aircraft noise at Logan Airport, the development of strategies to achieve high speed rail service between Boston and New York, and the planning for the redevelopment of the Park Square section of Boston through the location and construction of the State Transportation Building there.

其他还有在南Quincy和Alewife地区推进Red Line地铁工程，波士顿西南走廊Orange Line地铁的重新选址，Commuter铁路网的现代化，MBTA工程重建，波士顿机场降低噪音政策的制定，提高波士顿到纽约铁路运行速度的发展战略，以及通过在波士顿Park Square地区修建州交通大厦以振兴该地区的规划。

The witness also told the jury at the Royal Courts of Justice in London that he saw a paparazzo fighting with a member of the public who was trying to stop him taking pictures in the minutes before the emergency services arrived.

他还告诉在伦敦皇家法庭的陪审团，在急救服务到来之前，他当时看见一个狗仔队正和一群阻止他拍照的人打架。

The entire N／C program on a tape is made up of an accumulation of these successive data blocks.

纸带上的整个数控程序由这些连续数据单元连接而成。