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- W is a zero mean white noise source. W是一个零均值的白噪声源。
- Use of shield for return current to noise source. 用屏蔽体作为负载电流的返回路径。
- 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 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。
- What they found, however, was a background hiss of radio noise, reminiscent of the hiss noticed by Dr Penzias and Dr Wilson. 但是,他们却发现了射电噪声的一种背景杂音,这让人联想到彭齐亚斯博士和威尔逊博士当时注意到的嘶声。
- For atmospheric radio noise is the main interferential factor, the minimum-mean-error multiuser detector is employed in South China Sea for background noise and near-far problem. 以我国的南海海域为例,其背景噪声主要是大气噪声,针对背景噪声相对较强的远近效应现象,提出利用最小均方误差多用户检测技术的方法,并对其互相关函数进行了理论分析和计算。
- 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。
- 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。
- This article illustrate the acoustic character of this noise source, according to the observation and test cont... 本文通过对昆明东站铁路降噪工程的观测试验项目,探讨了减速顶噪声的特性及治理措施。
- The method of noise source identification and location based on Wave Superposition Method(WSM) is proposed. 提出了基于波叠加的噪声源识别和定位方法。
- Hydraulic impact which engender between proportional valve and hydraulic cylinder is important noise source. 操舵系统中,比例阀前的液压冲击是重要噪声源。
- Boggess, L. B., "The Little Black Fan as a Noise Source", Noise-Con 83, 1983, pp. 217-222. 林育洲,轴流风扇之数值与实验分析,国立台湾科技大学机械工程技术研究所硕士论文,1998年7月。
- Without the radiotelescope, we didn't know that radio noises came from far in space. 没有射电望远镜,我们不知道无线电波来自遥远的太空。
- The measuring method of switch power supply EMI noise source internal impedance IA also disclosed. 同时还公开了利用本发明装置测定开关电源EMI噪声源内阻抗的方法。
- Analytical results show that the unusual noise source is chiefly due to unsteady combustion. 测试结果表明,国产机噪声异常主要是由于不稳定燃烧造成的。
- In fact any resistor is a much more complex device containing, at the very least, an inductance, a noise source, a capacitor and two thermocouples. 然而,电阻器的电路模型远不是这么简单,它包含更多的内容,至少包含一个电感、一个噪声源和两个热电偶。
- Measurement and analysis of atmospheric radio noise 大气无线电噪声测量与分析
- The method of sound array can also be feasibly used in the other mechanism or electric equipment to identify noise source. 进一步说明声阵列方法在工作环境中有效实现机械或电气设备噪声源定位的可行性。
- A transistorize radio takes no time to warm up. 晶体管收音机不需要预热时间。
- The interference between points in the area noise source and the diffraction caused by wall were taken acount of in the calculation. 在对声场的理论计算中分别考虑了面声源中各点间的干涉和由壁障引起的衍射。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries