查询词典 noise

Although mid-value filtering is often used to eliminate seismic information noise, it does not have good effect on noise elimination because of its high requirements for noise-eliminated information.

中值滤波是地震资料去噪处理中的常用工具，由于其对去噪资料有较严格的要求，使去噪效果不甚理想。

Simulation is be done for all various noise density from 10% to 95%, and the results show that the proposed algorithm can restrain salt-and-pepper noise with detail-preserving, especi all y for high noise level.

我们对密度在10%~95%的各种噪声强度的情况进行了仿真，结果显示本文提出的算法能在有效地抑制噪声的同时完好地保持图像的细节信息，尤其在高噪声密度条件下显示了良好的噪声抑制效果和细节保持能力，显示了算法的稳健性。

Apply basic principle of control mechanical noise to measures had been put forward to reduce vibration and noise, and idle of the wood surface planer was remarkable reduced after the measures of reducible vibration and noise were used.

运用机械噪声控制的基本原理提出了减振降噪措施，试验证明，采用这些减振降噪措施后，木工平刨床的空转噪声有了显著下降。

Article 17 Muffling or vibration-proof measures shall be taken against the mechanical equipment, motor vehicles, catering and entertainment places and other sources of noise that produce noise or vibration, and the noise or vibration must meet the relevant standards.

第十七条对产生噪声和振动的机械设备、机动车、饮食娱乐服务场所以及其他噪声源，应当采取消声防振措施，其噪声和振动必须符合有关标准。

The application of noise removal for EEG signals based on wavelet transform is discussed in the paper,And the influence on EEG noise removal using different wavelet basis is introduced,Furthermore the wavelet soft-thresholding method and 1-Dimensional wavelet single-branch reconstruction are used for removing noise in EEG.

摘 要 摘要本文探讨了小波变换在脑电去噪中的应用方法，介绍了不同小波基对脑电去噪的影响，比较了小波软门限法和一维小波单支重构去噪方法的去噪效果。

Random noise for a fiber optic gyro mainly consists of wh ite noise and1/f γ fractal noise, which characterized by longˉterm correlation, selfˉsimilarity and1/f γ spectral density with 1/fγpower law.

光纤陀螺随机噪声中包含了白噪声和具有长程相关性、自相似性及 1/f γ类型谱密度特点的一种非平稳随机噪声———1/f γ类分形噪声。

To eliminate the disturbance of the noise (particularly the pulse noise and salt-and-pepper noise influence which causes by equipment and transmission) in image processing, a smooth operation is needed. In this paper we have analyzed several smooth operation methods and improve median filter method by a directional way to reduce the detail loss of smoothing process.

为在图像处理过程中去除噪声的干扰（尤其是由设备和传输引起的脉冲噪声和椒盐噪声的影响），首先对图像进行平滑操作，本文对常用的几种平滑滤波方法进行了分析，选择使用中值滤波方法，并使用边缘的方向信息对其进行了改进，以减少平滑过程中的细节损失。

When detecting the edge, an auto-choose threshold algorithm is given to reduce the salt-and-pepper or pulse wrong edges. After analyzing the special noise factor in pin's image, this paper improves the edge detection elements. That's putting forward a way which is named"the method of de-noise based on linear weighted operator template"to reduce the zonal or cluster noise. And test show that the algorithms detect image's edge rightly.

针对钻针图像的特点，在边缘检测中提出了自动选择阈值的算法；之后针对钻针图像中的特殊噪声形式，对边缘检测算法进行了原理上的改进，通过对图像的灰度分布的数学模型的建立，提出了使用加权直线模板去噪法进行块状噪声的去除；通过上述算法的应用，良好地改善了图像处理的质量。

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。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。