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重力测量资料
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  gravity data
     odified normalized full gradient De method is applied to process high precision gravity data of DB area in the Shengli oilfield.
     应用改进的重力归一化总梯度法(GH法)对胜利油田DB区的高精度重力测量资料进行了处理。
短句来源
     The ten terms of the gravity data, measured in the Yongtze Gorges gravity network from 1985 to 1995 are analyzed by using the method of fuzzy identification ,and the relationship between the sub function and several mediumweak earthquakes is studied .
     用模糊识别方法研究了长江三峡流动重力网区1985~1995年10期高精度重力测量资料
短句来源
     Based on four years(1998-2002) vertical deformation and gravity data,we inversed the equivalent magma's position and size with the Mogi model and got best result.
     利用腾冲火山区 1998~ 2 0 0 2年的垂直形变和重力测量资料 ,应用多元Mogi模型对测区的等效岩浆房位置及大小进行了反演计算 ,得出了最佳拟合值。
短句来源
     The mobile gravity data in Hexi area is systematically analyzed, and the dynamically evolutional characteristics in time and spatial domains of gravity field are researched.
     系统分析了河西地区 1992~ 2 0 0 1年流动重力测量资料 ,研究了重力场的时空动态演化特征。
短句来源
     Using gravity data measured by the State Seismological Bureau(China) system and special relative gravity connections between the absolute gravity stations, the accuracy level of absolute gravity values measured at 12 stations during the period of 1979-1981 year with the absolute gravimeter made by the National Institute of Metrology, China, is initially examined, and the real accuracy level of absolute gravity velues measured at some stations with the Italian Instrument(IMGC) in 1981 year is also analyzed.
     利用国家地震局系统的重力测量资料,以及在绝对重力点间专门进行的相对重力联测,初步检核了中国计量科学研究院的绝对重力仪于1979-1981年期间施测的12个绝对重力点的精度水平; 对于1981年我国用意大利绝对重力仪所测的某些绝对重力点的实际精度水平,本文也有所涉及。
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  “重力测量资料”译为未确定词的双语例句
     the information of tectonic activity can be acquired.
     因此根据重力测量资料可以获得构造活动的信息。
短句来源
     Using the data of leveling during 1971~1996,mobile gravity observations during 1993~2005,and GPS data during 1999~2004 in Guanzhong area,the space-time variation characteristics of the crust deformation of this area are studied.
     利用关中地区1971~1996年垂直水准资料、1993~2005年流动重力测量资料和1999~2004年GPS观测资料,研究了关中地区地壳形变场的时空变化特征。
短句来源
     ACGN SOFTWARE PACKAGE SYSTEM PROCESSING HIGH PRECISION GRAVIMETRY DATE AND LTS APPLICATION
     高精度重力测量资料处理软件包ACGN系统及其实算结果
短句来源
     Repetitive gravity observation data with high resolution in the Beijing-Tianjin-Tangshan-Zhangjiakou(BT-TZ)region during 1985~2003 is analyzed and the features of gravity variations typifying the regional characteristicsare obtained.
     本文分析了京津唐张地区1985~2003年详实的重复重力测量资料,重力变化的图像显示该地区的重力变化具有明显的区域性特征;
短句来源
     STUDY ON THE EANTHQUANE CHARACTERISTICS FROM REPEATED GRAVITY SURVEY IN HEXI-QILIAN
     从重复重力测量资料中提取河西—祁连地区的地震特征的研究
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  相似匹配句对
     STATISTICAL DATA
     资料
短句来源
     Material and methods:
     资料和方法:
短句来源
     Satellite Gravity Measurement
     卫星重力测量
短句来源
     Some disciplines demand high accuracy of the data from gravimetric measurements.
     有些学科对重力测量资料的精度要求很高。
短句来源
     EARTHQUAKE PRECURSORY INFORMATION EXTRACTED FROM GRAVITATIONAL DEFORMATION IN HEXI-QILIAN AREA
     河西-祁连山重复重力测量资料的地震前兆信息研究
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  gravimetry data
The thermal gravimetry data indicate that there are two decomposition steps with one intense endothermical peak and one weak exothermical peak.
      
Marine gravity and geoid determination by optimal combination of satellite altimetry and shipborne gravimetry data
      
  gravity data
Improving resolution of gravity data with wavelet analysis and spectral method
      
Gravity data are the results of gravity force field interaction from all the underground sources.
      
The objects of detection are always submerged in the background field, and thus one of the crucial problems for gravity data interpretation is how to improve the resolution of observed information.
      
This paper studied the effects of improving resolution of gravity data with wavelet analysis and spectral method, and revealed the geometric characteristics of density heterogeneities described by simple shaped sources.
      
Comparison between inelastic earth models constructed from astrometric and tidal gravity data
      
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In this paper, data of mobile gravity survey and the observation precision within ten years before and after the 1976 Tangshan earthquake were investigated. It was proved that there existed a trend of anomalous change in the epicentral region before and after the earthquake through the noise-depression experiment and reliability analysis. We analysed the physical factors which caused the gravity variation. ' Bandpass filtering method in the time domain was adopted to preprocess the data. A fitting curved surface...

In this paper, data of mobile gravity survey and the observation precision within ten years before and after the 1976 Tangshan earthquake were investigated. It was proved that there existed a trend of anomalous change in the epicentral region before and after the earthquake through the noise-depression experiment and reliability analysis. We analysed the physical factors which caused the gravity variation. ' Bandpass filtering method in the time domain was adopted to preprocess the data. A fitting curved surface to the values of gravity survey was obtained. We also analysed the values of anomalous change at equally spaced points in the region with the aid of the moving window average method to filter out the gravitational effect caused by shallow short wavelength density changes. Restraint inversion was done according to the remainder of the abnormal gravity field and it was found that deformation in rock formation in the vicinity of the Moho surface in this area might have appeared before, during and after the earthquake; especially, the deformation amplitude might be rather large several years proior to the earthquake. It is shown that the deformation of the rock formation near tie Moho surface may be a significant cause of stress concentration in the crust and the seismogenesis of the Tangshan earthquake.

本文分析了1976年唐山地震前后十年的流动重力测量资料及其观测精度,通过降噪试验和可靠性分析,证实了重力趋势性异常变化的存在;分析了引起重力变化的物理因素,采用时域带通滤波的方法对资料进行预处理,用样条函数求得了重力测值的拟合曲面和分析区域等间距网点异常变化值,借助于窗口滑动求均方法滤去浅部短波长密度扰动的重力效应,根据剩余重力异常场作约束反演,发现震前、震时和震后该区莫霍面附近岩层可能出现过变形,尤其是震前数年,变形幅度可能更大。看来,莫霍面附近岩层的变形可能是造成壳内应力集中并孕育唐山地震的重要原因。

:

利用区域重力测量资料解释深部构造时,采用平均场法、向上延拓等滤波手段是很难完全消除干扰因素的.本文采用对具有一定规模的已知其密度的地质体进行正演校正的方法,能够较理想地消除干扰,达到正确解释深部构造的目的.

Using gravity data measured by the State Seismological Bureau(China) system and special relative gravity connections between the absolute gravity stations, the accuracy level of absolute gravity values measured at 12 stations during the period of 1979-1981 year with the absolute gravimeter made by the National Institute of Metrology, China, is initially examined, and the real accuracy level of absolute gravity velues measured at some stations with the Italian Instrument(IMGC) in 1981 year is also analyzed. The...

Using gravity data measured by the State Seismological Bureau(China) system and special relative gravity connections between the absolute gravity stations, the accuracy level of absolute gravity values measured at 12 stations during the period of 1979-1981 year with the absolute gravimeter made by the National Institute of Metrology, China, is initially examined, and the real accuracy level of absolute gravity velues measured at some stations with the Italian Instrument(IMGC) in 1981 year is also analyzed. The results indicate that the absolute gravity values measured at some stations with two kinds of instruments contain some considerable errors, which exceed the he'curacy index declared by. designers.In this paper, the, accuracy target of absolute gravity measurement on seismological study is clearly presented. We propose that the designers should improve further the absolute gravimeter, particularly should take effective means so as to enhance the stability and to guarantee the real accuracy of the data measured with absolute gravimeter.

利用国家地震局系统的重力测量资料,以及在绝对重力点间专门进行的相对重力联测,初步检核了中国计量科学研究院的绝对重力仪于1979-1981年期间施测的12个绝对重力点的精度水平;对于1981年我国用意大利绝对重力仪所测的某些绝对重力点的实际精度水平,本文也有所涉及。所得结果表明,两种绝对重力仪的测量结果中都发现了有些绝对重力点的绝对重力值存在较大的误差,已超出仪器设计者所宣称的精度指标。本文明确提出地震重力测量工作对绝对重力测量的精度要求;并建议仪器设计者继续改进绝对重力仪,特别要在提高绝对重力仪的稳定性和保证实际精度方面采取有效措施。

 
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