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转换波测深
相关语句
  converted wave sounding
     SEISMIC CONVERTED WAVE SOUNDING ON URUMQI─KUERLE PROFILE
     乌鲁木齐──库尔勒地震转换波测深
短句来源
  converted-wave soundings
     PROGRAM PACKAGE DSCW-86 FOR PROCESSING CONVERTED-WAVE SOUNDINGS
     地震转换波测深资料数据处理程序包DSCW86
短句来源
  deep sounding by using converted waves
     THE RESULTS OF DEEP SOUNDING BY USING CONVERTED WAVES OF EARTHQUAKES IN THE BEIJING-TIANJIN- TANGSHAN REGION
     京津唐地区地震转换波测深结果
短句来源
  “转换波测深”译为未确定词的双语例句
     For the first time, method converted waves from distant earthquakes have been tried in the Shiahjin-Gautarng (夏津-高唐) region of western Shandung, Province and in the Changpirng (昌平) area west of Peking.
     转换波测深法首次在我国鲁西夏津—高唐地区和京西昌平地区进行了试验应用.
短句来源
     This work deals with the structure of crust and upper mantle as revealed by an experimental study along the Kangzhuang-Dachang ( 康庄一大厂) profile near Peking, China by observing converted seismic waves of earthquakes.
     本文介绍北京地区康庄—大厂剖面试验的地震转换波测深法得到的地壳、上地幔结构.
短句来源
     POLARIZATION CHARACTERISTICS OF PS-CONVERTED WAVE FROM INCLINED INTERFACE AND THEIR APPLICATION TO METHOD OF DEEP SOUNDING BY CONVERTED WAVE
     在倾斜界面情况下PS转换波偏振特征及其在转换波测深中的应用
短句来源
     INVESTIGATION OF CRUST STRUCTURE IN FUZHOU AREA BY MEANS OF CONVERTED WAVES OF EARTHQUAKES
     福州地区地壳结构的地震转换波测深研究
短句来源
     During the past 4 years (1975-1979) eight seismic profiles have been compiled by using the method of earthquake-generating converted waves in the Beijing-Tianjin-Tangshan region.
     1975—1979年间在京津唐地区完成了八条地震转换波测深的剖面工作,本文介绍所取得的主要成果。
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    When P waves from distant earthquakes meet a velocity discontinuity in the earth's crust and upper mantle, they give rise to a series of converted PS waves besides PP refracted waves. The difference of arrival times between such PS and PP waves can be used to determine the structures in the earth's crust and upper mantle.For the first time, method converted waves from distant earthquakes have been tried in the Shiahjin-Gautarng (夏津-高唐) region of western Shandung, Province and in the Changpirng (昌平) area west...

    When P waves from distant earthquakes meet a velocity discontinuity in the earth's crust and upper mantle, they give rise to a series of converted PS waves besides PP refracted waves. The difference of arrival times between such PS and PP waves can be used to determine the structures in the earth's crust and upper mantle.For the first time, method converted waves from distant earthquakes have been tried in the Shiahjin-Gautarng (夏津-高唐) region of western Shandung, Province and in the Changpirng (昌平) area west of Peking.Polarization filtering was employed to analyze the seismic data in order to increase the reliability in identifying the PS phases. As a result, the crustal structures in these two regions have been found and it is indicated that the main deep discontinuities thus obtained are essentially the same as those determined by deep seismic sounding experiments using explosions.

    当远震P波通过地壳、上地幔速度界面时,除了产生PP型折射波,还产生一系列PS型折射转换波.这类PS转换波与初至P波之间的到时差,可用来测定地壳和上地幔构造. 转换波测深法首次在我国鲁西夏津—高唐地区和京西昌平地区进行了试验应用.为提高转换波震相识别的可靠性,在资料分析中采用了偏振滤波的方法.工作结果获得了上述两地区的深部构造剖面图.转换波法与爆炸地震法所得结果之对比表明,两者的主要界面基本一致.

    This work deals with the structure of crust and upper mantle as revealed by an experimental study along the Kangzhuang-Dachang ( 康庄一大厂) profile near Peking, China by observing converted seismic waves of earthquakes. Layered and faulted block structures are indicated. By analyzing and comparing the superficial and deeper structural features of the region, it can be found that a nearly NWW-SBB oriented strong horizontal stress field has been in action within the crust and thus given rise to the up- and downwarping...

    This work deals with the structure of crust and upper mantle as revealed by an experimental study along the Kangzhuang-Dachang ( 康庄一大厂) profile near Peking, China by observing converted seismic waves of earthquakes. Layered and faulted block structures are indicated. By analyzing and comparing the superficial and deeper structural features of the region, it can be found that a nearly NWW-SBB oriented strong horizontal stress field has been in action within the crust and thus given rise to the up- and downwarping structural units of the region.Hypocentral distributions of earthquakes in this region may be that west of the Gaoliying(高丽营) fault, most of the earthquake foci are located on the top and bottom surfaces of the so-called granitic layer, while east of the Gaoliying fault, they are mostly on the fault belt itself. (Fig. 1).

    本文介绍北京地区康庄—大厂剖面试验的地震转换波测深法得到的地壳、上地幔结构.显示层状和断块的特征。分析本区地表构造与深部构造的特征及其相互关系表明,本区地壳内存在过很强的近 NWW-SEE 向水平压应力,从而造成本区隆、凹的各基本构造单元.本区震源分布有两种情况:高丽营断裂以西震源大都分布在“花岗岩”层的顶面和底面上,在此断裂以东地区震源主要分布在断裂带上(图1).

    During the past 4 years (1975-1979) eight seismic profiles have been compiled by using the method of earthquake-generating converted waves in the Beijing-Tianjin-Tangshan region. Some details about the method of interpretating these data and the important results obtained are presented in this paper. This method is very useful in the regional investigations for earth's crust and upper mantle.The comparison of the deep-seated structures and the distribution of earthquakes in the studied region indicates that...

    During the past 4 years (1975-1979) eight seismic profiles have been compiled by using the method of earthquake-generating converted waves in the Beijing-Tianjin-Tangshan region. Some details about the method of interpretating these data and the important results obtained are presented in this paper. This method is very useful in the regional investigations for earth's crust and upper mantle.The comparison of the deep-seated structures and the distribution of earthquakes in the studied region indicates that all hypocentres of strong earthquakes just filled in some particular position of the granitic layer and that the Tangshan and Mafan strong earthquake regions are similar each other in the deep-seated structure characteristics, such as relative uplift of the granitic layer, intensive depression (concavity) of interfaces in upper mantle, sharp thickening of lithosphere and existence of deep-seated faults in the region under investigation.

    1975—1979年间在京津唐地区完成了八条地震转换波测深的剖面工作,本文介绍所取得的主要成果。结果表明转换波法用于地壳、上地幔深部结构的探测是有效的。深部构造剖面与震源分布的对比表明,本区几乎所有强震震源都分布在“花岗岩”层的某些特殊部位上。唐山和马坊大震地区的深部构造具有相似的特征,这就是“花岗岩”层的相对隆起,上地幔界面的强烈凹陷,岩石圈相应地急剧增厚以及存在深大断裂。

     
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