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waveform fitting
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  波形拟合
     A STUDY OF WAVEFORM FITTING TECHNIQUE IN LOW?STRAIN REFLECTED WAVE METHOD
     低应变反射波法波形拟合技术的研究
短句来源
     The source mechanism inversion for middle and small earthquakes by using seismic waveform fitting technique
     用地震波波形拟合方法研究中小地震的震源机制
短句来源
     Pn1 waves of four moderate strong earthquakes are studied by waveform fitting. Fault plane solution,source time function and the moment are obtained.
     本文用波形拟合方法,对中国西北地区四个中强地震的Pnl波进行了研究,获得了这些地震的断层面解、震源时间函数、地震矩等参数。
短句来源
     Aimed at solving the problem that the reflected wave method does not fully make use of the information received, this paper deduces the theoretical model of pile soil system on the basis of pile vibration theory and wave theory and also imitates exciting force and property of sensor. An effective waveform fitting technique is put forward to make quantitative analysis of pile completeness. The application of this technique to engineering pile has achieved good result.
     针对目前低应变反射波法利用信息量不够的问题 ,从桩的振动和波动理论出发 ,推导出了桩土体系的理论模型 ,并对激振力和传感器特性进行了模拟 ,提出了利用波形拟合技术来定量分析桩身完整性 ,对工程桩进行了拟合分析 ,取得了一定的效果。
短句来源
  波形拟合法
     APPLICATION OF THE WAVEFORM FITTING METHOD IN DETERMINING BEARING CAPACITY OF ARTIFICIAL EXCAVATED BELLED PILE
     波形拟合法在人工挖孔扩底桩承载力测试中的应用
短句来源
     Based on the mechanism of artificial excavated belled pile foundation and the basic principle of waveform fitting method, features and practicability about the method applied to determing bearing capacity of the pile foundation are explicated in associated with several practical engineering examples.
     从人工挖孔扩底桩的工作机理和波形拟合法的基本原理出发 ,结合工程实例阐述了波形拟合法在确定人工挖孔扩底桩承载力中的应用特点及可行性 .
短句来源
     Using pure S waveform fitting and T function method, the shear wave velocity structures in crust and upper mantle under seismic stations in Jiangsu and Shandong province are obtained. By employing T function method on long-period P wave records, S wave velocity structures about 800 km deep are also inversed under Lianyungang and Laiyang stations.
     利用S波纯波形拟合法以及T函数法反演了苏鲁地区壳幔剪切波速度结构,并利用长周期P波T函数反演得到了连云港和莱阳台下方800km深度的速度结构。
短句来源
  “waveform fitting”译为未确定词的双语例句
     The mechanism of Ms6.4 earthquake on May 3, 1996, at west Bac Ton, Nei Mongol, is estimated with a joint inversion method using mantle waveform fitting and P wave first inchon signs. Nodal plane l(40°, 70°,-174°), nodal plane 2(308°, 84°,-20°);
     利用地幔波波形拟合和P波初动符号联合反演的方法,估计了1996年5月3日内蒙古包头西MS6.4级地震的震源机制.得到节面1(40°,70°,-174°),节面2(308°,84°,-20°)。
短句来源
     TO ESTIMATE FOCAL MECHANISMS OF MODERATE EARTHQUAKES USING A LONG PERIOD SURFACE WAVEFORM FITTING METHOD AS WELL AS FIRST MOTION SIGNS OF P WAVES
     用长周期面波波形拟合及P波初动方向估计中等地震的震源机制
短句来源
     It is emphasized that the waveform fitting technique of lightning and switching impulses, and the problems resulting from fitting processing.
     重点叙述了对雷电冲击波及操作冲击波进行曲线拟合的处理方法,并对拟合过程中出现的具体问题做了分析。
短句来源
     In this paper,the focal mechanisms of the foreshock,mainshock and aftershock of the 1989 Da-tong-Yanggao earthquake were determined by Pnl and SH waveform fitting,and the earthquake progresses and seismotectonics were inferred.
     本文应用Pnl及SH波理论地震图方法求得了大同-阳高地震前、主、余震的震源机制解,并结合发震区的地质构造,推断了这次地震的发震过程及发震构造。
短句来源
     The broadband seismic wave data of CDSN are used to make a further study on the source process of the Qinghai, Xijie M S 6.8 earthquake on November 5, 1988. With the waveform fitting and global searching algrithm based on the optimized Genetic Algorithm, the source parameters and rupture characteristics are analyzed.
     利用中国数字地震台网(CDSN)的宽频带数字化波形资料进一步研究了1988年11月5日青海省西捷MS6.8级强震的震源过程。 通过波形模拟和基于优化遗传算法的全局反演,对该地震的震源参数和破裂特征进行了分析。
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  waveform fitting
Based on S wave records of deep teleseisms on Digital Seismic Network of Shanxi Province, shear wave velocity structures beneath 6 stations were obtained by means of S wave waveform fitting.
      
Synthetic seismograms are completed by using reflectivity method for waveform fitting of phases PM and PM', they are reflection waves from both the upper and the lower boundaries of the crust-mantle transition zone in this basin.
      
The waveform fitting is better than the shear fracture model, but the general rupture direction which coincides with that from unilateral shear source model can not be obtained from the multiple point source model.
      
The sources for thirteen deep focus earthquakes ofmb≥5.5 andh>amp;gt;400 km in Northwest Pacific region were studied using waveform fitting and shear fracture source model.
      
To check broadband waveform fitting, we draw both acceleration and displacement waveforms.
      
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Pn1 waves of four moderate strong earthquakes are studied by waveform fitting. Fault plane solution,source time function and the moment are obtained. Most of the earthquake data recorded by our seismograph network are in the range of 3°- 13°. The study of Pnl - wave in this range shows great significance in the research of regional stress field,plate dynamics and crustal structures.

本文用波形拟合方法,对中国西北地区四个中强地震的Pnl波进行了研究,获得了这些地震的断层面解、震源时间函数、地震矩等参数。我国地震台网所记录到的国内地震大部分落在3—13°的范围内,因此在此范围内的Pnl波对研究区域应力场,板块动力学及地壳结构具有非常重要的意义。+

This paper presents the waveform acquisition processing system which consists of DM-902 digital memory and M68 microcomputer. It is emphasized that the waveform fitting technique of lightning and switching impulses, and the problems resulting from fitting processing.

本文介绍了用于冲击电压测量的波形采集处理系统,该系统由DM—902数字式暂态记录仪及M68微型计算机组成。重点叙述了对雷电冲击波及操作冲击波进行曲线拟合的处理方法,并对拟合过程中出现的具体问题做了分析。

In this paper,the focal mechanisms of the foreshock,mainshock and aftershock of the 1989 Da-tong-Yanggao earthquake were determined by Pnl and SH waveform fitting,and the earthquake progresses and seismotectonics were inferred. The results show that the foreshock, mainshock and aftershock occurred on the same fault;the fault motions were right-lateral strike slip with mechanism;strike 201°,shallow dip 75°,rake-169°,deep dip 58°,rake-138°;the epicentral area is subject to a NEE-SWW horizontal compression...

In this paper,the focal mechanisms of the foreshock,mainshock and aftershock of the 1989 Da-tong-Yanggao earthquake were determined by Pnl and SH waveform fitting,and the earthquake progresses and seismotectonics were inferred. The results show that the foreshock, mainshock and aftershock occurred on the same fault;the fault motions were right-lateral strike slip with mechanism;strike 201°,shallow dip 75°,rake-169°,deep dip 58°,rake-138°;the epicentral area is subject to a NEE-SWW horizontal compression and a NNW-SSE extension which is consistent with the tectonic stress orientation of North China,and the relatively large P axis plunge in depth corresponded with the great depressed deformation in this area. In addition,the similarities and differences between the Datong-Yanggao earthquake and general graben-associated earthquake were discussed.

本文应用Pnl及SH波理论地震图方法求得了大同-阳高地震前、主、余震的震源机制解,并结合发震区的地质构造,推断了这次地震的发震过程及发震构造。结果表明:前、主、余震发生在同一断层上,前、主震发生在浅层,余震发生在深层;发震断层为一具有右旋走滑分量的正断层,走向201°,倾向NW,浅层倾角75°左右,深层倾角58°左右;前、主震断层运动主要为平移运动,滑动角为—169°,余震断层运动的平移与下滑分量几乎相等,滑动角为—138°。发震区的应力场为北60°东水平向挤压,与华北地区统一应力场一致,深部应力场的P轴俯角较大,体现了发震区局部应力场的特征,并与此区域较大的形变沉降相符合。由华北地区的地震活动性,我们还推测这次地震实际上是此区域的应力场沿桑干河断裂带释放能量的结果。此外,文中还讨论了这次地震与一般地堑地震的异同点。

 
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