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wave phase
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  波相
    LOVE WAVE PHASE VELOCITY MAP IN SOUTHERN GERMANY
    德国南部地区Love波相速度分布
短句来源
    An algorithm of transient reyleigh wave phase velocity
    瞬态瑞利波相速度算法研究
短句来源
    SEISMIC TOMOGRAPHY OF YUNNAN REGION USING SHORT-PERIOD SURFACE WAVE PHASE VELOCITY
    云南地区的短周期面波相速度层析成像研究
短句来源
    GLOBAL SURFACE WAVE PHASE VELOCITY VARIATIONS AND THEIR TECT0NIC IMPLICATIONS
    全球地震面波相速度变化及其大地构造学意义
短句来源
    The contribution of parameter v S 0 for the P wave phase velocity can be negligible, which is very important for the elastic parameter inversion, velocity inversion, normal moveout correction, dip moveout removal and migration in time domain.
    Thomsen参数vS0 对P波相速度的影响非常小。 研究结果对各向异性介质中的弹性参数反演、速度反演、NMO、DMO及时间域的偏移有着重要意义。
短句来源
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  波震相
    AN OVERVIEW OF THE CHARACTERISTICS OF PL WAVE PHASE AND ITS APPLICATIONS
    PL波震相特征及其应用综述
短句来源
    THE APPLICATION OF FULL WAVE PHASE ANALYSIS
    全波震相分析的应用
短句来源
    Full wave phase analysis (FWPA) is based on the theory of elastic wave propagation and makes use of the up-to-date digit technique to analyze the seismic wave field wholly and synthetically.
    全波震相分析法是以弹性波传播理论为基础,以现代数字技术为手段,对地震波进行全面综合分析的理论和方法.
短句来源
    By effective identification of S wave phase with DSS data and with the caclulation method of S wave splitting parameters, S wave data from Tai'an Xinzhou profile were calculated and analyzed. As a result, reliable evicence was obtained with respect to crustal medium anisotropy and anomaly of regional stress field orirentation in the region.
    利用深地震测深资料进行S波震相的有效识别和S波分裂参数计算方法 ,对泰安—忻州剖面S波资料的计算分析 ,得到了该区域地壳介质各向异性、区域应力场方向异常的可靠证据 .
短句来源
    The direct S wave phase of deep teleseisms with epicentral distance of about 50° can be separated from other seismic phases.
    震中距在 5 0°左右的深源远震 ,直达波S波震相波列可以与其他震相波列分离 .
短句来源
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  “wave phase”译为未确定词的双语例句
    An optimum method for localization by considering direct wave phase clearness
    考虑震相清晰度时的最优化定位方法
短句来源
    From the data of 80 local stations, in the eastern six provinces and vicinity 19 earthquakes of magnitudes 3 - 5 are selected to measure travel-time and amplitude of LGZ, LGH, MXZ and MXH wave phase.
    本文利用中国东部苏鲁豫皖冀浙六省所属地区的80个区域地震台的资料,选取了该区及其附近的19个3~5级地震,分别对Z向和H向测定了Lg震相的走时和振幅,及最大震相Max的振幅,共有近3000组数据。
短句来源
    Based on the previous paper 1,in this paper,an optimum method for determining thesource location,origin time and average regional wave velocity is discussed by using thedata of direct wave arrival time recorded both in the deep well and on the ground when dif-ferent clearness of direct wave phase in every station is considered.
    在文献[1]的基础上详细讨论了各台站直达波初动震相清晰度存在差异时如何利用井下和地面观测资料联合确定震源位置、发震时刻及区域平均波速的最优化方法。
短句来源
    Band on the theory of Aki's coda, the local earthquake was simulated by ultrasonic test and the coda wave phase was diSCussed in this poper.
    本文在Aki(1969)一次回弹散射理论基础上,用超声岩石模型模拟地方震,对地方震尾波进行了初步观测和讨论。
短句来源
    Shear wave phase SKS of 11 earthquakes, collected from 23 stations of Yunnan digital seismic network, is analyzed by fitting the theoretical transverse component with the observed one for determining the orientation and extent of polarization seismic anisotropy of upper mantle.
    对云南 2 3个数字地震台 1 1次地震的 SKS记录 ,采用理论切向分量与实测切向分量拟合的方法 ,确定了快 S波的偏振方向和快、慢波之间的时间延迟 .
短句来源
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  wave phase
It is shown that a gas stream increases the instability of the film and a counter-current gas flow has a greater effect on the wave phase velocity than a co-current flow.
      
The existence of discontinuities is attributable to the distortion of the internal-wave phase pattern in the shear flow and to the varying stratification and subsequent interaction of the waves with the appearing nonuniformities.
      
Allowance for the rotation-induced anisotropy in turbulent diffusion leads to an equatorward deviation of the wave phase velocity from the isorotational surface.
      
The radiation damping constant associated with the possible emission of electromagnetic radiation is determined in the range of Swihart wave phase velocities exceeding the speed of light.
      
Soliton wall superlattice charge-density-wave phase in a magnetic field
      
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This paper makes a preliminary investigation of.deep seismic sounding data recorded in 1982. Various P wave phases obtained from No. V line, Simao to Malong, are concretely delineated and some common methods for inversion of the crust model are described. On the basis of the above-discussed deep structural background of the line, crust model of Simao-Malong profile are set up. Initial results are as the following: There exists obvious differences in crust of the profile on both sides along the Red River...

This paper makes a preliminary investigation of.deep seismic sounding data recorded in 1982. Various P wave phases obtained from No. V line, Simao to Malong, are concretely delineated and some common methods for inversion of the crust model are described. On the basis of the above-discussed deep structural background of the line, crust model of Simao-Malong profile are set up. Initial results are as the following: There exists obvious differences in crust of the profile on both sides along the Red River fault. Except for the shallow overburden, crust of the southwest side of the Red River fault consists of two velocity gradient layers. P wave average velocity in the crust is 6.18 km/s, its crustal thickness, 37, km. Crust of the northeast side of the fault is divided into four layers, two of which are velocity gradient layers, whereas the other two are constant velocity layers. The crustal thickness is 43-45 km, with P wave average velocity of 6.27 km/s. P wave velocity of the top of the upper mantle averages to 8.17 km/s.

本文对云南地区1982年人工地震测深资料进行了初步的分析研究。具体叙述了思茅—马龙剖面获得的各组p波震相和反演地壳模型的若干常规方法,讨论了本剖面的深部构造背景,从而建立了思茅—马龙剖面的地壳模型。初步得出:本剖面地壳以红河断裂为界,两边有明显差异。除浅层复盖层外,红河断裂南西侧地壳分为二个速度梯度层,壳内平均p波速度为6.18KM/sec,地壳厚度为37KM左右,红河断裂北东侧地壳分为四层,其中除两个速度梯度层外,尚包含有两个常速度层。地壳厚度43—45KM,k内平均p波速度为6.27KM/sec。上地幔顶部p波速度平均为8.17KM/sec。

From the data of 80 local stations, in the eastern six provinces and vicinity 19 earthquakes of magnitudes 3 - 5 are selected to measure travel-time and amplitude of LGZ, LGH, MXZ and MXH wave phase. Basing on these 3000 data sets, wave propaga- tion velocity of 3.54K M/Sec has been obtained. The attenuation coefficients of Lg wave are calculated by synthetic regression method in the distance of 50-100KM. The results of a weighted and not of Z and H cmponents by weighted method and nonweighted...

From the data of 80 local stations, in the eastern six provinces and vicinity 19 earthquakes of magnitudes 3 - 5 are selected to measure travel-time and amplitude of LGZ, LGH, MXZ and MXH wave phase. Basing on these 3000 data sets, wave propaga- tion velocity of 3.54K M/Sec has been obtained. The attenuation coefficients of Lg wave are calculated by synthetic regression method in the distance of 50-100KM. The results of a weighted and not of Z and H cmponents by weighted method and nonweighted are consistent very well with each other.

本文利用中国东部苏鲁豫皖冀浙六省所属地区的80个区域地震台的资料,选取了该区及其附近的19个3~5级地震,分别对Z向和H向测定了Lg震相的走时和振幅,及最大震相Max的振幅,共有近3000组数据。测得本区Lg波传播速度为3.54km/s。根据Z向和H向,加权与不加权等几种计算方法,在50~1100Km范围内算得的各种衰减系数之间符合得很好。中国东部地区苏鲁豫皖冀浙六省及其邻近地区,约在28°N~42°N,110°E~124°E范围内(图1),我们研究了Lg波的传播速度、衰减特征和m_(lgz)、m_(lgh)、m_(mxz)、m_(mxh)四种近震震级。

In this paper, the data obtained from Jiajiawan-Shayuan profile (about 471 km) among the four explosion seismic profiles set up on two sides of East-Qinling Structural Zone during 1979-1981 years are analyzed for recognition of several groups of P wave phases and synthetic inversion of the travel time of refraction and reflection wave with the broad sense linear inversion techniques. As a result, the velocity distribution in the crust and the upper mantle together with a model of the crust show that...

In this paper, the data obtained from Jiajiawan-Shayuan profile (about 471 km) among the four explosion seismic profiles set up on two sides of East-Qinling Structural Zone during 1979-1981 years are analyzed for recognition of several groups of P wave phases and synthetic inversion of the travel time of refraction and reflection wave with the broad sense linear inversion techniques. As a result, the velocity distribution in the crust and the upper mantle together with a model of the crust show that crust in this region is composed of layer inhomogeneous medium having a lower velocity layer and a thin layer with higher velocity within middle of the crust. The average velocities of P wave inthe crust and at the top of the upper mantle are 6.33 km/sec and 8.02 km/sec, respectively.The crust thickness is about 34.5 km within adistance of △≤200 km, but the crustal thickness gets up nearly 43 km within a distance of △≥280 km. There is a bulge of M-D beneath the section across the Yangzi River.

为了研究秦岭构造带及其两侧的深部构造,利用湖北随县贾家湾的工程爆破布设了四条地震观测剖面。本文分析了长达417公里的贾家湾—鹤峰沙园剖面上的47张地震波记录资料,得到几组首波震相和深层反射震相,用阻尼最小二乘法对走时资料进行反演,给出了地壳与上地幔顶部的综台速度分布和地壳模型。地壳的平均厚度为34.5公里,平均波速为6.33公里/秒。上地幔顶部的波速为8.02公里/秒。该区地壳为不均匀的多层结构,其中部存在低速层和高速薄层。在距炮点220公里以内,M-面起伏较小,其局部隆起与下凹分别与地表的地堑和地垒相对应,在233公里附近,M-面有一较大的隆起,而在280公里以远,M-面显著变深,它们的位置分别对应地表的长江和仙女山断裂。这表明深部构造与地表的构造格局有着密切的关系。

 
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