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采集参数     
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  acquisition parameter
    Optimization of Seismic Data Acquisition Parameter Based on Ray-tracing Scheme
    基于射线追踪法的地震数据采集参数优化
短句来源
    MODEL-BASED SEISMIC ACQUISITION PARAMETER ANALYSIS
    基于模型的地震采集参数分析及应用研究
短句来源
    A suitable data acquisition parameter is given out on the basis of large amount of experiments.
    经过大量的现场实验给出了合适的采集参数
短句来源
    Through core testing,the interpretation and optimizing acquisition parameter methods of nuclear magnetic resonance logging for Upper Palaeozoic low-permeability sandstone reservoirs are proposed and the major factors influencing T 2 cutoff are analyzed in the paper.
    文章通过岩心测试 ,建立了长庆上古生界低渗透砂岩储层的核磁共振测井解释方法和优化采集参数 ,分析了影响T2 截止值变化的主要因素。
短句来源
    With extensive investigations on issues of seismic survey in the Huoyanshan mountainous region of Tuha Basin, Tuha Oilfield Company has developed a suite of acquisition parameter argumentation technologies which include basic parameter argumentation, layout analysis and optimization, and forward modeling.
    通过吐哈油田公司几年来在火焰山进行的地震攻关 ,形成了包括基本参数论证、观测系统参数分析和优化、模型正演分析等一套适合火焰山山地三维勘探的采集参数论证技术。
短句来源
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  acquisition parameters
    Demonstrate seismic acquisition parameters based on the scattered wave imaging numerical simulation.
    基于散射成像数值模拟的地震采集参数论证
短句来源
    ③Combined with examples analysis, studying the technique to demonstrate seismic acquisition parameters and geometry design based on the scattered wave imaging numerical simulating of seismic and geologic model.
    ③结合实例分析,进行基于地震地质模型散射成像数值模拟的采集参数论证与观测系统设计技术研究。
短句来源
    Acquisition parameters and geometry design are crucial to the quality of acquisition data.
    采集参数和观测系统设计是资料采集质量的根本保证,为此,对轮古38井三维VSP数据采集方法进行了探讨。
短句来源
    Design principles of seismic line layout and acquisition parameters on Tarim mountains
    塔里木山地地震测线部署与采集参数设计原则
短句来源
    Some effects of residual static correction anomalies on stack result and its relationship with acquisition parameters and reflection characteristic
    剩余静校正异常对叠加结果的影响与采集参数和反射特征的关系
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  “采集参数”译为未确定词的双语例句
    However, some negative physical effects tend to be neglected in the design of layout and acquisition of multicomponent seismic data owing to lack considerations of P and PS wave propagation behaviors, reflective intensity, mode conversion, absorption and geophone array.
    但在实际多分量采集设计和施工中,或多或少忽略了PS波的传播特性、反射强度、波型转换、介质吸收以及检波器组合等因素的物理负效应,特别忽略了精细的采集设计和合理的采集参数所能带给资料上的细微变化对地质解释的贡献。
短句来源
    The testing parameters, data process, the analysis on the waves, the interpretation of the data and the parameters to show the characters of karst are studied.
    并且对三种电磁法原始资料采集参数、资料处理流程、波形分析、资料处理和解译、解释参数所反映的岩溶性质进行了探讨和分析研究。
短句来源
    Seismic Evaluation and Design (SED)is a new technology being used in field data acquisition in recent years.
    高精度地震勘探对地震采集参数和观测系统的要求较高,通过地震勘探设计与评价技术(SED)可以给出适合研究区地震地质条件的采集参数,以提高野外采集资料的品质。
短句来源
    EVALUATION AND DESIGN OF 3D SEISMIC SURVEY IN HUANGYAN STRUCTURE OF XIHU TROUGH IN EAST CHINA
    西湖凹陷黄岩构造三维地震采集参数设计与论证
短句来源
    Evaluation and design of high precision 3-D seismic survey in Shawodi area, Junggar Basin.
    准噶尔盆地沙窝地高精度三维地震采集参数设计与论证
短句来源
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  acquisition parameter
Any image acquisition parameter determination method should be portable and time-e cient.
      
Cell granularity was measured with the side scatter channel and assigned as the primary acquisition parameter.
      
If such compression is desired, then the acquisition parameter must be set to Effective Log.
      
In this case, the acquisition parameter must be set to Log or Effective-Log.
      
Modeling financial ramifications of a mainframe acquisition parameter are recomputed.
      
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  acquisition parameters
The results of this study are expected to help in selecting optimum radar antennae and data acquisition parameters depending on the landmine type and environmental conditions.
      
Rest studies with 99mTc-hexamibi were obtained 24-48 h after the stress test using the same acquisition parameters and dose.
      
For each set of acquisition parameters, a Wiener spectrum was also calculated.
      
Statistical differences in SNR for the different acquisition parameters were evaluated using a Student's t-test (P>amp;lt;0.05).
      
Optimization of diffusion-tensor MR imaging data acquisition parameters for brain fiber tracking using parallel imaging at 3?T
      
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  collection parameter
By now, you will have learned to avoid the beginner's mistake of trying to use Collection as the type of the collection parameter.
      


In order to choose optimum seismic acquisition parameters for 1imestone cropping area,we conducted both data acquisition test and frequency spectrum determi-nation for near source seismic waves in the steep limestone structure cropping areain east Sichuan. Acceleration sensors were planted in borehole and on surface to de-termine the frequency spectra of near-source seismic waves which were generatedfrom different shot conditions (depth, charge and lithology). The frequency spectrawere compared with the seismic...

In order to choose optimum seismic acquisition parameters for 1imestone cropping area,we conducted both data acquisition test and frequency spectrum determi-nation for near source seismic waves in the steep limestone structure cropping areain east Sichuan. Acceleration sensors were planted in borehole and on surface to de-termine the frequency spectra of near-source seismic waves which were generatedfrom different shot conditions (depth, charge and lithology). The frequency spectrawere compared with the seismic signals received by seismic geophones so as tocheck the results. The field test led to the conclusion: ① low velocity layer inmountainous region appears as both surface soil and weathered cropping (10 m orso); ② downhole frequency spectrum and surface frequency spectrum differ greatlydue to the influence of low velocity layer 10m thicki ③ limestone,sandstone andmudstone have very different absorptions to high frequency contents, their absorptions decreasing in the order;④ directional- delayed shots play obvious role in decreasing frequency spectrum and seismic wave attenuation;⑤ influenced by the lowvelocity layer, seismic wave varies greatly in their travel time, amplitude, frequency and phase. In order to improve S/N ratio of seismic data in limestone croppingarea, we must choose reasonable shot parameters, pay more attention to improvingthe receiving conditions, and use downhole receiving when it is necessary.

为了选择最佳的石灰岩出露区地震资料的采集参数,我们在川东高院构造石灰岩出露区作了近源地震波频谱测试及资料采集试验。其方法是将地震加速度传感器分别置于井下和地表,测试来自不同激发条件(井深、药量及岩性)的近源地震波激发频谱,并与用地震检波器同时接收的地震信号进行对比,以验证其结果的精度。试验结果表明:①山区的低速带,不仅限于表土,而且岩石露头也存在约10m厚的低速带,②受这10m度低速带的影响,在井下和地表测试的激发频谱存在着显著的差异;③三种岩性对高频成分吸收的程度明显不同,其中央岩最严重,砂岩次之,泥岩最弱;④延迟组会爆炸对降低激发频谱、减轻地震波能量的衰减具有明显作用;⑤受低速带的影响,地震波旅行时间、振幅、频率及相位都要发生很大变化。最后指出,要想提高石灰岩出露区原始资料的信噪比,不仅应选择合理的激发参数,而且也要重视接收条件的改善,必要时应考虑将检波器置于井下接收。

he paper describes the data collection parameters used in deep reflection survey conducted by Sino-U. S. joint team in Himalaya region, and analyses the rationality of the parameters and the limitation of the data collection system.The explosive conditions are essential to the recording quality. The reflected waves from the Moho 70-75km in depth, and from beneath the Moho were obtained with shots nominally of 50kg dynamite in a single hole 50m deep or 25kg in each of two holes 25m deep as an shot array.50s recording...

he paper describes the data collection parameters used in deep reflection survey conducted by Sino-U. S. joint team in Himalaya region, and analyses the rationality of the parameters and the limitation of the data collection system.The explosive conditions are essential to the recording quality. The reflected waves from the Moho 70-75km in depth, and from beneath the Moho were obtained with shots nominally of 50kg dynamite in a single hole 50m deep or 25kg in each of two holes 25m deep as an shot array.50s recording length permits the depth penetration to reach as deep as 150-180km in case of horizontal layers.The observation system can hardly suppress the low frequency noises efficiently. Their influences, can be removed with filtering during data processing.

本文介绍了中美联合在喜马拉雅地区进行深反射地震测量中采用的数据采集参数,并分析其合理性及采集系统的局限性。结果表明,采用的参数大多是合理的,试验是成功的。激发条件是影响记录质量的关键,单井50m深50kg炸药的炮或者单井25m深双井组合,50kg炸药的炮能够获得来自70—75km深的Moho及Moho之下的反射震相。50s长的记录长度对于水平层的勘探深度可达150—180km。观测系统对低频干扰波不能进行有效的压制,但在数据处理时可用滤波的方法消除低频干扰波的影响。

Here in this paper an experimental way which is more reasonable scicntifically is presonted todetermine optimal seismic acquisition parameters:well depth and charge. In this way the influcnceof random factors can be effectively removed and subjective mistakes can be avoided. Its theoreticalbasis is the superimposed statistical effect. Optimal well depth and optimal charge is determinedthrough statistical stacking of shots: calculating absolute amplitude average AA, calculating theproduct AS of the maximum amplitudes...

Here in this paper an experimental way which is more reasonable scicntifically is presonted todetermine optimal seismic acquisition parameters:well depth and charge. In this way the influcnceof random factors can be effectively removed and subjective mistakes can be avoided. Its theoreticalbasis is the superimposed statistical effect. Optimal well depth and optimal charge is determinedthrough statistical stacking of shots: calculating absolute amplitude average AA, calculating theproduct AS of the maximum amplitudes average and primary frequency width of scismic traces,calculating the sum AE of amplitudc average spectrum of seismic traces, and together with thesuperimposed section.

本文提出一种较为科学的确定最佳地震采集参数──井深与药量的试验方法。这种方法能有效地排除各种偶然因素的影响,避免人们主观认识上的差错。该方法的理论基础是地震数据处理的叠加统计效应。采用多炮统计叠加方法,计算多道绝对振幅平均值AA,多道平均最大振幅主频宽度乘积AS和多道平均振幅谱和AE,并结合试验叠加处理剖面,选取最佳井深与药量采集参数

 
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