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- Ambient noise source 背景噪声源
- Ambient noise may come from any direction. 外界噪声可以来自任意方向。
- W is a zero mean white noise source. W是一个零均值的白噪声源。
- This text introduces the effective administration method of the main source of the urban ambient noise(traffic noise)-Research and design of the noise barrier. 主要介绍了城市环境噪声的主要来源（道路交通噪声）的有效治理方法-声屏障的研究与设计。
- Use of shield for return current to noise source. 用屏蔽体作为负载电流的返回路径。
- Infants are often comforted by swaddling, ambient noise, and movement. 婴儿常常可以从襁褓、周围声音和运动中得到安抚。
- This is avoidable by arranging the barriers to encircle the noise source. 要避免上述情况出现，可安排以屏障围绕噪音源头。
- The optimum design of detector arrays for the attenuation of surface waves and of ambient noise is a complex subject. 为衰减面波和外界噪声作检波器组合的最佳设计是一件复杂的事情。
- The noise in a shell increases along with the level of ambient noise in the surrounding area. 贝壳里传来的声音会随着周围杂音的音量变大而增强。
- This cuts down on ambient noise and gives listeners the somewhat eerie effect that the noise is inside their heads. 这将切断周围的噪音并给听众,并给听众一些奇怪的影响,噪音在他们的头脑内。
- The EMI noise source impedance of an SMPS is essential in EMC design. 开关电源的电磁干扰噪声源阻抗在电磁兼容性设计中是个非常重要的参数。
- The MAX series headsets have been specially designed for use in areas with high ambient noise levels. MAX耳麦套件被专门设计用于高环境噪音的场合。
- In sound recording, interference, such as ambient noise and reverberation, degrade the quality. 录音时，环境噪声和回响之类的干扰使录音质量劣化。
- Infants are often comforted by swaddling, ambient noise, and movement, as in rocking or swinging in a swing. 婴儿经常通过襁褓、环境声音和运动进行安抚，如摇、荡秋千。
- Minimize ambient noise with ear plugs, rugs, heavy curtains or drapes, or double-pane windows. 使用耳塞，地毯，厚重门帘，窗帘，以及双层窗户将噪音降低到最小。
- D. E. Hollinberger, “Ambient Noise Data Logger Buoy,” IEEE Journal of Oceanic Engineering, 15(4), 286-291, 1990. 黄清哲，”水中将与噪音特性之实验研究”，国立成功大学水利及海洋工程学系1999年硕士论文精要。
- The ambient noise level within BaoSteel area is controlled below 65 db and that on working spots below 90 db. 厂界噪音控制在65分贝以下，工作岗位控制在90分贝以下。
- This paper presents the acoustical holography method which can be used to identify noise source on a moving vehicle. 本文提出利用声全息原理,对运动状态下的汽车噪声源进行识别的方法。
- D. E. Hollinberge and D.W. Bruder, "Ambient Noise Data Logger Buoy," IEEE Journal of Oceanic Engineering, 15（4）, pp.286 -291, 1990. 林胜丰，浮标资料无线电传输技术，工业技术研究院能源与资源研究所，1993。
- Quadrupole source (30) A noise source in which four parts vibrate alternately in phase. 四極聲源(30)一種分成四部份而相位交替振動的噪音源。
