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- noise elimination theory 消声原理
- And integrate actual circs and principle of noise elimination, Developed one kind of new silencer, Thereby gained our ends that noise is attenuated. 并结合我厂实际情况与消声原理，研制出了一种新型的消声装置，从而达到了降低我厂电解车间噪声的目的。
- It is experimentally shown that to achieve noise elimination and resolution improv... 试验证明，利用小波变换去噪和提高分辨率，不仅方便有效，而且有很好的保真度。
- Muzzle blast wave overpressure values of standard muzzle brake and muzzle brake using noise elimination theo. 通过实例计算了制式炮口制退器和采用消声原理的炮口制退器的炮口冲击波超压值。
- There is no noise elimination measure and noise standards to AHU, air supply unit, exhaust fans. 空调机组、新风机组、排风机均无消声措施及噪声指标。
- What basically be used at establishment of heating, air conditioning, noise elimination is outer vitreous adornment. 主要用于采暖、空调、消声设施的外层玻璃装饰。
- Noise elimination antivibration design and refrigeration engine room design, ventilation system's design, arrangement and so on. 消声防振设计及制冷机房的设计、通风系统的设计、布置等。
- In this paper,the self-adapting noise elimination system based on back propagation network(BP) is presented and its the-ory and realization are analyzed. 介绍了BP自适应噪声抵消系统模型,分析了其原理及实现,并将其应用于发动机故障信号的处理。
- Moreover,in the test of pressure transmission exhaust and silencing of noise,the material shows more properties of exhaust and noise elimination than the burnt copper powder. 在气压传动排气消声的测试中,与铜粉末烧结件相比具有更好的排气性能和消声性能。
- In this paper, the recent development of research and application of low-noise railway wheels including resilient wheel, noise elimination wheel, acoustic optimized wheel and composite wheel are reviewed. 文章对包括弹性车轮、消声车轮、学优化车轮和复合材料车轮研究和应用的最新进展进行了总结。
- The noise index should be definite, and the problem of noise integrating phenomenon with the indoor equipments should be considered. The improper units should have the noise elimination measure. 建议明确噪声指标,须考虑与室内设备的噪声叠加问题,不符合要求的机组、空调通风系统必须有消声处理措施。
- Analyses the noise transmission character of heat pump units.Gives a noise control example.Presents the design method, key technology and the effect of the enclosed device of sound insulation and noise elimination. 分析了风冷热泵机组的噪声传播特性,结合热泵机组的噪声治理工程实例,介绍了封闭式隔声消声装置的设计方法、设计要点和治理效果。
- The two noise elimination methods are proposed as noise current pre-storage and equivalent bandwidth outer filtering, which could be the foundation of the selection and design of quadrant photoelectric diode. 提出了噪声电流预存储和等带宽带外滤波两种消噪方法，可作为四象限光电二极管的选择和设计的基础。
- By using wavelet transform, the monitoring signals of bridge SHM are described on different scales. According to Lipschitz index, the principle of wavelet anti-noise is introduced, and noise elimination of the real-time monitoring signal is realized. 利用小波分析理论，对大型桥梁结构健康监测信号进行多尺度分解，从Lipschitz指数出发，分析了小波去噪的原理，实现了实时监测信号的噪声剔除。
- Aiming at the problem of noise elimination of radar p icture, a way to employ wavelet packet analysis to eliminate noise of radar pict ure is proposed. 针对船用雷达图像消噪问题 ,提出了应用小波包分析算法对雷达图像进行消噪处理。
- Helmholtz resonator has a good noise eliminating performance at low frequency. 亥姆赫兹共振腔具有良好的低频消声性能,被广泛地应用于低频消声方面。
- auto - adapted noise elimination 自适应噪声对消
- large noise elimination quantity 大消声量
- Foreground /Background segmentation,fingerprint enhancement based on special domain and frequency domain,filtration in direction,binarization,thinning and noises elimination are all discussed. 包括前背景分离、基于空域和频域的图像增强、方向滤波、二值化、细化以及细化去噪处理。
- A loud noise from the street diverted my attention. 街上一阵喧闹声转移了我的注意力。
