1) prevent and reduce noise
减噪防噪
2) noise-reducing
减噪
1.
Through a series of experiments,the best kind of metal damping-ring applid to gear noise-reducing in mine is stated.
本文对齿轮减噪阻尼环在材质与结构形式的选择方面进行了分析,并进行了一系列的对比实验,从而确定出一种适用于矿山齿轮减振降噪的金属阻尼环的形式。
3) noise reduction
减噪
1.
It needs some effective noise reduction algorithm to optimize the image contaminated by noise.
仿真结果显示本文提出的滤波算法对图像传感器所产生图像中的高斯噪声和椒盐噪声均有较好的减噪效果。
2.
Energy-saving and noise reduction is an attractive issue in the design of water supply and drainage system.
建筑给排水设计中的节能和减噪问题是人们非常关注的问题。
4) noise attenuation
噪声衰减
1.
Discussion on noise attenuation methods in seismic data processing.
地震数据处理中噪声衰减方法的探讨
2.
Coniferous forest and evergreen broad-leaved forest had the best reduction effects and their noise attenuation values were also more 10dB.
针叶树林和常绿阔叶树林的减噪效果最好,噪声衰减值均大于10 dB;植物群落对噪声的减弱效果明显优于空旷地;建群种相同、林下层次多、植物种类丰富的群落对噪声的衰减效果优于林下无植被的群落;以落叶植物为优势种的群落在生长期对噪声的衰减值比落叶期高4~5 dB。
3.
The improved farmer algorithm optimizes the structure of original farmer algorithm,simplifying and improving the validity of noise attenuation.
通过对混有噪声的Henon序列进行仿真实验,仿真结果显示,改进后的Farm er算法能够提高噪声衰减的精度,降低与理想Henon序列的绝对误差。
5) vibration and noise reduction
减振降噪
1.
It is shown that the better result of vibration and noise reduction can be achieved when using them simultaneously in design.
环氧树脂混凝土和钢缆弹簧隔振器均有优良的阻尼性能 ,分析表明二者同时用在减振降噪设计中 ,可取得更好的减振降噪效
2.
The general design technology of vibration and noise reduction on newtype navigation administration boats is introduced.
介绍了新型航政艇的综合减振降噪设计技术:推进轴系选择柔性传动方式,主机组整体设计成半弹性隔振系统,在船体结构上粘贴阻尼钢板。
3.
For the purpose of cabin noise reduction, in this paper, the plane panel s vibrational characteristics before and after equipped with dynamic vibration absorbers are analyzed, the formulae for calculating the vibration and noise reduction of the plane panel with dynamic vibration absorbers are given, and the dynamic vibration absorber s parameters are discussed.
研究表明,动力吸振器用于飞机壁板减振降噪具有良好的前景。
6) reduction of vibration and noise
减振降噪
1.
Reach on properties of reduction of vibration and noise with foamed aluminium damping-ring;
泡沫铝齿轮阻尼环减振降噪特性分析
2.
For probing into the new way of reduction of vibration and noise in gearing,vibration math modal of gearing-plug system is set up by analyzing mechanism of vibration and noise in gearing.
为了探讨齿轮减振降噪的新途径,对齿轮传动过程中振动噪声产生的机理进行分析,建立齿轮/阻尼塞系统振动的数学模型。
补充资料：噪鹃属
鹃形目、杜鹃科的1属。跗蹠裸出,头羽的羽干正常，有树栖的习性。世界有 2种，分布于中国南部、东南亚、澳大利亚及太平洋的岛屿。中国仅有普通噪鹃1种,分布于秦岭以南地区。体长约400毫米，翅长约200毫米。雄鸟通体纯黑，稍具金属蓝色反光，下体后部辉亮不显著。雌鸟通体杂以白斑。雌雄均具长尾，飞时略呈扇状。夏季迁至中国后,常栖息于高树上。黎明前后开始鸣叫,常终日不休。食物以果实和种子为主，兼食毛虫和甲虫等。常于喜鹊、蓝鹊、黑领椋鸟的巢中产卵，这种习性很似杜鹃。每窝产卵2～4枚。卵灰或绿色，密缀以红褐色斑。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条