noise disturbance

Low level image processing is the base of navigation. The paper discusses time domain filtering and frequency domain filtering according to the noise disturbance in the surroundings images.

低层视觉图像处理是视觉导航的基础，针对环境图像存在噪声干扰的特点，文章分别从时域和频域上分析了图像滤波的方法。

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The experimental results indicate that the method can achieve automatic extraction of defect region and edge with weak noise disturbance, which lays a good foundation for flaw feature parameter extraction and choice.

实验结果表明，该法很好地实现了缺陷区域及其边缘的自动提取，且受噪声影响很小，为进一步的缺陷特征参量的提取与选择奠定了良好的基础。

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By applying it in power quality detection, simulation trials are done for voltage sag, voltage swell and voltage interruption including the harmonics in different order and so forth, respectively, in noise and color noise disturbance environments, the results show the effectiveness of the method.

将其应用在电能质量扰动检测中，对电压暂降、电压暂升、电压间断及各次谐波在白噪声和色噪声环境下进行仿真试验，结果证明了该方法是十分有效的。

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Base on the special structure, XIR laminate glass can effectively reduce the noise disturbance.

基于XIR夹层玻璃特殊的夹层结构, 可以有效降低噪声干扰.

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In view of the target properties and USAN principle, the stable tracking of targets is carried out through eliminating noise disturbance by using the characteristic parameters of target, the uniformity and continuity of target movement.

针对弱小目标的目标特性，按USAN原则进行目标检测，利用目标的特征参数及目标运动的一致性、连续性排除噪声干扰，实现对目标的稳定跟踪。

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Multiform noise disturbance exist in temperature survey process inevitable, all of noise disturbance will bring survey error, and this error will be magnified during the solving inverse heat conduction problem, hence the result is not useable.

在温度测量的同时，不可避免地存在各种类型的噪声干扰，这些噪声干扰就会引起测量误差，而求解反问题的时候往往会把这些误差成倍放大，导致结果的不可用性。

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