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regular noise
相关语句
  规则干扰
     Local regular noise elimination using FKSUB model
     利用FKSUB消除局部规则干扰
短句来源
     Surface wave is a regular noise wave existing widely in seismic data, and its elimination is very difficult in data processing.
     面波是地震勘探中广泛存在的一种规则干扰波,在资料处理中要去除面波又十分棘手。
短句来源
     FKSUB method for eliminating any regular noises has been formed by fitting the variational regularities of apparent dip and amplitude of regular noise leg with the use of orthogonal polynomials, and using the narrow reject-band 2-D filtering technique whose filter operator varies with time and space.
     利用正交多项式拟会规则干扰同相轴的视频角和振幅的变化规律,与滤波因子随时空变化的窄阻带二维德波技术相结合,形成了一种有效剔除任意复杂规则干扰波的方法(FKSUB)。
短句来源
     FKSUB method is only applied to the data in a local area of a seismic section. To speak exactly,in a given window, FKSUB method removes regular noise by using the differences between regular noise and signal in three aspects: apparent velocity, frequency and ampli-tude.
     FKSUB只对地震记录上的局部区域进行处理,即在用户给定的任意形状时窗内,根据规则干扰与有数信号在视速度、频率和振幅分布三个方面的差异来剔除局部规则干扰波。
短句来源
  “regular noise”译为未确定词的双语例句
     THE REGULAR NOISE CANCELLING BY ADAPTIVE FILTERING METHOD
     自适应滤波方法扣除规则性噪声
短句来源
     The approach may also be used for other regular noise suppressing on both shot and CMP gathers.
     该方法也可以推广到炮集域或CMP道集中其它相干噪音的剔除与压制。
短句来源
     it is pointed out that the multiphased side wave is a regular noise appeared in this area and that special attention should be paid to.
     指出了以多相位形式出现的侧面波是本区值得特别注意的一种规则于扰。
短句来源
     for regular noise, DIP and F-K filtering are more effective.
     对于有规则噪声,倾角滤波或FK滤波手段则更为有效。
短句来源
     ③in seismic physical simulation, because the geologic model is known, all information relative to geologic targets can be correctly displayed, and the acquisition footprints are a kind of periodic and regular noise that can be predicted and identified, so, the seismic physical simulation technique is superior technique in studying the issue of acquisition footprints.
     ③在地震物理模拟中,由于地质模型是已知的,所有与地质目标相关的信息都可以正确演示出来,而采集脚印是一种周期性的规则噪声,也可以进行预测、识别,因此地震物理模拟技术是研究采集脚印问题的优势技术。
短句来源
  相似匹配句对
     NOISE
     噪音
短句来源
     Noise
     噪声的危害与控制
短句来源
     THE REGULAR NOISE CANCELLING BY ADAPTIVE FILTERING METHOD
     自适应滤波方法扣除规则性噪声
短句来源
     for regular noise, DIP and F-K filtering are more effective.
     对于有规则噪声,倾角滤波或FK滤波手段则更为有效。
短句来源
     On P~s-Regular Groups
     关于P~S—正则群
短句来源
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  regular noise
The algorithm of simultaneous determination of the dipole and regular noise parameters has been described and analytically investigated.
      


In this paper, the adaptive filtering technique has been used to cancel the regular noise in the nanoearthquake date recorded by geosound network in Juxian, Shandong Province. The obtained results indicate that this method has advantages of simple process and fast speed since it doesn't need a model recognition to be carried out to the noise. A satisfactory result can be obtained if there is no correlation between signals and noise.

本文采用自适应滤波技术,对山东省莒县地震台网记录到的极微震资料中的规则性干扰进行了去噪声处理。结果表明,这种方法不必对噪声进行模式识别,具有简单、快速等优点,在信号与噪声不相关的情况下,可以得到很好的结果。

In order to get the wavefield characteristic of the typical local structure in the middle reach of the Yangzi River area, a physical modelling was parformed for the MYH structure, In this paper,the features of the geological model of MYH structure, the material and technique for data acquisition, data processing as well as data analyzingwere delineated. Effects of overburden, problems of short and oblique events,... were examined. Besides of this.it is pointed out that the multiphased side wave is a regular...

In order to get the wavefield characteristic of the typical local structure in the middle reach of the Yangzi River area, a physical modelling was parformed for the MYH structure, In this paper,the features of the geological model of MYH structure, the material and technique for data acquisition, data processing as well as data analyzingwere delineated. Effects of overburden, problems of short and oblique events,... were examined. Besides of this.it is pointed out that the multiphased side wave is a regular noise appeared in this area and that special attention should be paid to.

为了获得中扬子地区典型局部构造的波场特征,本文对MYH构造进行了物理模拟研究。本文论述了MYH构造地质模型特点;物理模型的选材及复杂的液体—固体模型的制作技术;观测方式以及资料处理和分析方法。并就盖层的影响,野外记录中短斜同相轴等问题进行了探讨。指出了以多相位形式出现的侧面波是本区值得特别注意的一种规则于扰。

Both concept and algorithm of vector can be easy used to quantitatively de- scribe seismic signal correlation,noise and lithologic characteristic.A seismic trace vector consists of correlative component and uncorrelated component;the former re- flects similar continuity of seismic signals,and the latter contains influence resulting from noises and lithology.Noise component has no inclination characteristic,but both correlative component and lithologic component have;so inclination character- istic can be used...

Both concept and algorithm of vector can be easy used to quantitatively de- scribe seismic signal correlation,noise and lithologic characteristic.A seismic trace vector consists of correlative component and uncorrelated component;the former re- flects similar continuity of seismic signals,and the latter contains influence resulting from noises and lithology.Noise component has no inclination characteristic,but both correlative component and lithologic component have;so inclination character- istic can be used to remove noise component but retain lithologic component.There- fore,this vector noise elimination is called signal-retained noise elimination. In solution,inclination micro element is used to extract lithologic component and to remove noise component effectively.Consequently,we have developed some methods for signal retained noise elimination,which are for random noise elimina- tion,regular noise elimination and signal enhancement,these methods play key role in noise elimination processing of the seismic data from Xinjiang and Sichuan areas. They bring good results.

用矢量的概念和算法能比较容易地对地震信号的相关性、噪声和岩性特征进行定量描述。一个地震道矢量可由相关分量和非相关分量组成,前者反映地震信号的相似连续性,后者包含噪声和岩性的影响。噪声分量不具有倾角特性,而地震道的相关分量和岩性分量均具有倾角特性,因而利用倾角特性可以消除噪声,保留岩性分量,故称这种矢量去噪法为保真去噪法。在具体解法上,我们采用了剖分倾角微元的思想,从而成功地提取出岩性分量,实现了保真去噪。在此基础上发展了一套保真去噪方法,包括随机噪声分离、信号加强及规则噪声分离。这些方法在新疆、四川的地震资料处理中发挥了很好的作用,处理效果十分显著。

 
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