1) nuclear logging signal
核测井信号
1.
Property analyzing of digital filters used in nuclear logging signals;
核测井信号数字滤波器的性能分析
2.
Designing and realization of digital filters innuclear logging signals;
核测井信号数字滤波器的设计与实现
3.
Wavelet filter method is used for filtering processes of nuclear logging signals,which can provide accurate data for accurate evaluation of coal seams.
文中根据小波滤波原理对核测井信号进行滤波处理,为煤层的准确评价提供较为准确的数据。
2) well-logging signal
测井信号
1.
The well-logging signal pretreatment is the first requirement for the sake of a better joint inversion of seismic and well-logging data.
为了更好地进行地震测井联合反演,必须首先对测井信号进行预处理,而在此过程中测井信号去噪和测井低频信息提取是非常重要的。
3) logging data
测井信号
1.
The definition of wavelet analysis was introduced and the applicability of the logging data wavelet analysis by means of the high resolution sequence stratigraphy stratum was discussed.
阐明了小波分析的基本原理和步骤,探讨了测井信号小波分析在高分辨率层序地层划分中的适用性。
2.
A new method of division and correlation of glutenites sedimentary cycles based on the base-level restoration using wavelet transform of logging data was preliminarily put forward according to geological setting and composite base-level principle.
研究表明,自然伽马或声波时差等测井信号小波变换后得到的多尺度小波系数周期性的振荡特征与各级层序旋回具有较好的对应关系,其高频成分的多级叠加可以较好地反映基准面变化特征,指导砂砾岩体期次的精细划分与对比。
4) logging signal
测井信号
1.
The wavelet scale is then used to perform wavelet transform on logging signals of unknown marked beds and the resulting transformed sequence are sorted by singular values to form groups containing candidate marked bed segments.
该方法首先利用已知井的标志层信息 ,提取该标志层的小波尺度信息 ,在该小波尺度信息的基础上得到一个小波尺度序列 ;然后利用该小波尺度序列对未知标志层井段的测井信号进行相应的小波变换 ,对得到的变换序列利用奇异值点进行分割得到一组包含后选标志层的层段 ;最后利用动态规划算法计算已知层序列和被分割序列的最佳匹配距离。
2.
A logging signal acquisition and processing system based on DSP is developed.
测井技术的发展要求地面仪能够兼容多种传输方式,提高用户选择井下仪的灵活性;本文介绍一种基于TMS320F241的测井信号采集处理板的软硬件设计,以曼彻斯特码为例介绍用数字信号处理的方法实现信号的采集和处理的过程。
3.
But there are several limitations in the logging signal of our application:the SNR of the signal is very low and is contaminated by the noise;with low vertical resolution,it can t meet the refined thin layer division and contrast;cryptic period and the mutation point weren t so clear,and the manual judgment and explanation is with too much subjective randomness.
测井是石油地质勘探的有力工具,但测井信号也存在一些缺陷:被噪声污染,信噪比低;纵向分辨率低,无法满足精细的小层对比划分;隐含周期和突变点不够明显,人工判读带有主观随意性。
5) nuclear detector signal
核探测信号
1.
Nuclear detector signal processing has all along been a hard task because of its poor signal to noise ratio (SNR) of the raw nuclear detector signals and almost "blind" about the latent targets what ones want to detect beforehand.
针对核探测(Nuclear detector)信号信噪比低,背景杂波强;因事先对探测目标的信息所知甚少,近乎处于"盲"状态,因而实际处理难度大等问题,提出了将独立分量分析(Independent Component Analysis,ICA)这种盲信号处理技术应用于核探测信号处理中。
2.
Nuclear detector signal processing has all along been a hard task because of its poor signal to noise ratio(SNR)of the raw Nuclear detector signals and almost“blind”about the latent targets what we want to detect beforehand.
针对核探测(Nuclear detector)信号信噪比低、背景杂波强,事先对探测目标的信息所知甚少,近乎处于“盲”状态,因而实际处理难度大等实际问题,提出了将独立分量分析(Independent Component Analysis,ICA)这种盲信号处理技术应用于核探测信号处理,并利用 ICA 中的 Fast ICA 算法,对 ICA 法在核探测信号处理中的应用进行了初步探索,实现了核探测信号中各组分信号和背景杂波的有效分离,并初步解决由 ICA 方法本身带来的所分离目标独立分量信号符号的不确定性等问题,使核探测信号信噪比大幅提高,从而使核探测的目标检测性能也得以显著改善,表明 ICA 在核探测仪信号处理中具有应用前景。
6) Nuclear Signal Telemetering
核信号遥测
1.
Application of GSM Communication Module in Nuclear Signal Telemetering
GSM通讯模块在核信号遥测中的应用
补充资料：核测井
分子式：
CAS号：
性质：利用辐射与物质相互作用的各种效应或岩石本身的放射性，以射线探测仪探测地层物理性质，元素组成以及井下技术参数的物探方法。核测井包括放射性测井，核磁测井和放射性示踪测井。主要用于石油、油气、煤田和金属矿的勘探中。
CAS号：
性质：利用辐射与物质相互作用的各种效应或岩石本身的放射性，以射线探测仪探测地层物理性质，元素组成以及井下技术参数的物探方法。核测井包括放射性测井，核磁测井和放射性示踪测井。主要用于石油、油气、煤田和金属矿的勘探中。
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