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2008  Vol.28 (Number 5)    
Oct. 20, 2008
  院士论坛
  地壳形变与地震
  理论、方法研究
  观测技术
 
 
 
 
院士论坛
 
 
1 Wei Ziqing
  CHINA GEODETIC COORDINATE SYSTEM 2000
AND ITS COMPARISON WITH WGS84
    This paper addresses the reason why a geocentric coordinate system is adopted for us, and expounds the definition and realization of the China Geodetic Coordinate System 2000（CGCS2000） and compares it with WGS84. The CGCS2000 is a geocentric system ad...
    2008 Vol. 28 (5): 1-5 [Abstract ] ( 108 ) [HTML 0KB] [PDF 1074KB ]( 168 )
地壳形变与地震
 
 
6 Shen Chongyang , , Li Hui , , and Tan Hongbo and
  SIMULATION OF COSEISMIC GRAVITY CHANGES AND DEFORMATION
EFFECT OF WENCHUAN Ms8.0 EARTHQUAKE
    According to the halfspace dislocation theory and the fault models inversed by Institute of Geophysics, CEA and USGS, we calculated the surface coseismic gravity changes and displacements caused by the Wenchuan Ms8.0 earthquake, respectively. The simul...
    2008 Vol. 28 (5): 6-12 [Abstract ] ( 92 ) [HTML 0KB] [PDF 6408KB ]( 132 )
13 Zhu Yiqing , , Xu Yunma and and Liang Weifeng
  MEDIUM-TERM PREDICTION OF YUTIAN,XINJIANG
Ms 7.3 EARTHQUAKE IN 2008
    Based on the gravity variation data repeatedly measured in the Project of China Crust Movement Measuring Network and related stong seismicity,the authors had predicted in December, 2006 that an event of Ms 6-7 would break out in the area with 36.0°N an...
    2008 Vol. 28 (5): 13-15 [Abstract ] ( 79 ) [HTML 0KB] [PDF 1303KB ]( 89 )
16 Li Songlin , Lai Xiaoling , He Jiayong and and Tian Jianhua
  TRIGGER ACTION OF BRIDGMAN EFFECT ON
STRONG EARTHQUAKES ANALYZED FROM
DEEP TECTONIC CHARACTERISTICS
    In the light of the results of deep exploration by Geophysical Exploration Center, CEA，it can be found that many strong earthquake focuses locate at the margin of upper mantle uplifts, and the Moho in an uplift region is no longer a sharp discontinuity,...
    2008 Vol. 28 (5): 16-20 [Abstract ] ( 82 ) [HTML 0KB] [PDF 2014KB ]( 73 )
21 Zhou Yuming , Shan Bin , and and Xiong Xiong
  PARAMETERS SENSITIVITY ANALYSIS OF COULOMB
STRESS CHANGE IN STATIC STRESS TRIGGERING
    On the basis of on the elastic dislocation theory, we analyzed influences of the effective friction factor in the fault for the calculation of the Coulomb stress and the magnitude and birextion of the maximum principle stress of
and regional stress...
    2008 Vol. 28 (5): 21-26 [Abstract ] ( 74 ) [HTML 0KB] [PDF 5017KB ]( 81 )
27 Zhang Zhiwei , Cheng Wanzheng and and Ruan Xiang
  ON OSCILLATION WAVES INDUCED BY GREAT FARFIELD
EARTHQUAKE AND ITS SPECTRUM FROM SSY EXTENSOMETER DATA
    On the basis of the observations of SSY quartz extensometers at Guza and PanzhihuaNanshan stations in Sichuan province, the oscillation wave trains excited by the Sumatra Ms8.7 earthquake on December 26, 2004 in Indonesia，the Hokkaido Ms8.0 earthquake ...
    2008 Vol. 28 (5): 27-33 [Abstract ] ( 68 ) [HTML 0KB] [PDF 2332KB ]( 70 )
34 Yu Shengjie , and and Liu Lintao
  STUDY ON PRECIPITABLE WATER VAPOR
WITHOUT METEOROLOGICAL DATA
    The pressure and temperature parameters are the prerequisite for the precise precipitable water vapor monitoring based on the ground GPS. When lacking in the above meteorological data, the precipitable water vapor is firstly derived on the basis of the ex...
    2008 Vol. 28 (5): 34-38 [Abstract ] ( 64 ) [HTML 0KB] [PDF 1186KB ]( 87 )
39 Zhu Guangbin , , Li Jiancheng , Wen Hanjiang and and Wang Jianqiang
  STUDY ON VARIATIONS OF GLOBAL CONTINENTAL WATER STORAGE WITH GRACE GRAVITY FIELD MODELS
    By use of the GRACE Level2 products, the variations of global continental water storage are deduced and in the deduction,
the problems in the choice of Gaussian filter radius and the truncated degree are discussed. The computation results
are ...
    2008 Vol. 28 (5): 39-44 [Abstract ] ( 79 ) [HTML 0KB] [PDF 6449KB ]( 105 )
45 Zhang Weihua , , Mei Jianchang , , Li Jiaming , and Li Jinggang and
  STUDY ON WATERWELL EARTH TIDE AND ATMOSPHERIC
RESPONSE IN THREE GORGES WELL NETWORK
    On the basis of analysis of the change of water level related to earth tide,atmospheric pressure at 8 stations among the the ground water monitoring well network in the Three Gorges,the sensitivity of response to earth tide,coefficient of atmospheric p...
    2008 Vol. 28 (5): 45-49 [Abstract ] ( 79 ) [HTML 0KB] [PDF 1494KB ]( 77 )
理论、方法研究
 
 
50 Yao Jili , Qu Guoqing , Liu Keli and and Gao Peng
  RESEARCH ON ACCURACY OF QUASIGEOID WITH FITTING
METHODS UNDER DIFFERENT DISTRIBUTION OF GPS POINTS
    The aim of this study is to find out the relation between density of GPS leveling points and interpolation error, and to provide scientific basis for planning GPS leveling network and three following chief contents are given. (1) The GPS leveling points a...
    2008 Vol. 28 (5): 50-54 [Abstract ] ( 84 ) [HTML 0KB] [PDF 2946KB ]( 97 )
55 Yao Lianbi , , Sun Huimin and and Yao Ping
  STUDY ON ESTABLISHING UNITED LINEAR
ENGINEERING COORDINATE SYSTEM
    We put forward a method for applying an engineering ellipsoid to establish an united linear engineering coordinate system and introduce the GPS data processing in this course, and then a practical example is analyzed for the test....
    2008 Vol. 28 (5): 55-58 [Abstract ] ( 86 ) [HTML 0KB] [PDF 868KB ]( 73 )
59 Wang Aisheng , , and and Ou Jikun
  SEQUENTIAL CHARACTERISTICS AND ACCURATE ESTIMATION
OF CYCLE SLIPS IN HIGH ORDER DIFFERENTIAL
    The concepts of independent and dependent cycle slips are presented, the characteristic subseries related to independent cycle slips in high order differential series is given and the fact that dependent cycle slips is overlapped in high order different...
    2008 Vol. 28 (5): 59-64 [Abstract ] ( 64 ) [HTML 0KB] [PDF 959KB ]( 75 )
65 Qin Shiwei , , Gu Chuan and and Pan Guorong
  RESEARCH ON ACCURACY TEST OF RTK-GPS DYNAMIC POSITIONING
    Background noise of RTKGPS is tested. Three movement simulation equipments are designed, which are linear movement, sinusoidal movement and circular movement. Positioning accuracy and effects of RTKGPS under three movement patterns are tested. Test re...
    2008 Vol. 28 (5): 65-67 [Abstract ] ( 75 ) [HTML 0KB] [PDF 1456KB ]( 105 )
68 Tang Weiming , Sun Hongxing and and Chen Jiang
  METHOD OF RATIO ACCUMULATION OF GNSS AND FAST
DOUBLE-DIFFERENCED AMBIGUITY RESOLUTION
    On the basis of LAMBDA method and the characteristics of single epoch ambiguity resolution，this paper proposes a method of multiple epoch ambiguity resolution——Ratio Accumulation Method and then introduced the widelane ambiguity resolution and L1 ...
    2008 Vol. 28 (5): 68-72 [Abstract ] ( 72 ) [HTML 0KB] [PDF 355KB ]( 79 )
73 Gu Chuan , and Qin Shiwei and
  COMBINATION FORECASTING OF DEFORMATION DATA
BASED ON FORECASTING EFFECTIVENESS
    A combination forecasting method based on forecasting effectiveness is proposed and applied in deformation forecasting. An engineering example indicates that with the combination forecasting method based on forecasting effectiveness we can achieve better ...
    2008 Vol. 28 (5): 73-76 [Abstract ] ( 67 ) [HTML 0KB] [PDF 329KB ]( 162 )
77 Lu Jue, Chen Yi and and Zheng Bo
  APPLYING TOTAL LEAST SQUARES TO THREEDIMENSIONAL
DATUM TRANSFORMATION
    Through the comparative research on applicability and superiority of Total Least Squares(TLS) and least squares in the space rectangular coordinates tranformation with 3-D small angles, it is found that in this kind of 3-D coordinate transformation becau...
    2008 Vol. 28 (5): 77-81 [Abstract ] ( 74 ) [HTML 0KB] [PDF 363KB ]( 87 )
82 Chen Chuanfa , Yue Tianxiang , Zhang Zhaojie and and Du Zhengping
  HEIGHT ANOMALY SURFACE SIMULATION BASED
ON HIGH ACCURACY SURFACE MODEL
    The grid resolution of the height anomaly surface simulation based on High Accuracy Surface Modelling (HASM) has been computed in the error theory，thus we can avoid the complicated Taylor expansion and solve the location differences between sampling poin...
    2008 Vol. 28 (5): 82-86 [Abstract ] ( 70 ) [HTML 0KB] [PDF 1346KB ]( 75 )
87 Ruan Rengui and and Hao Jinming
  IMPROVEMENT OF BANCROFT ALGORITHM
    Methods for determining the correct solution of BancroftAlgorithm are discussed and
the new robust BancroftAlgorithm based on the residuals of Lorentz inner product equation is developed to avoid frequently square root computing. In order to impr...
    2008 Vol. 28 (5): 87-90 [Abstract ] ( 66 ) [HTML 0KB] [PDF 351KB ]( 76 )
91 Zhang Juqing , Yang Yuanxi and and Zhang Liang
  APPLICATION OF COLLOCATION WITH CONSTRAINTS
IN GIS ERROR FITTING
    Collocation is usually applied to deal with the parameter estimation, which contains the trend parameters and stochastic parameters. A more general collocation method is proposed, in which not only the two quadratic forms of residuals and signals are mini...
    2008 Vol. 28 (5): 91-95 [Abstract ] ( 70 ) [HTML 0KB] [PDF 0KB ]( 0 )
96 Zhang Shoujian , Li Jiancheng , Wang Zhengtao , and Xing Lelin and
  ON SRTM VOID AREA DATA FILLING METHOD BASED ON BP NETWORK
    Owing to the nonlinear characteristic of the topographic data, the interpolation method with linear function such as TIN can not reach high accuracy. We analyzed the interpolated accuracy with the neural network method in the SRTM void data filling, thu...
    2008 Vol. 28 (5): 96-99 [Abstract ] ( 66 ) [HTML 0KB] [PDF 2099KB ]( 82 )
100 Zheng Lei, Chen Kai, Li Zhenghang and and Zhu Heng
 

ANALYSIS OF EFFECT OF f -3 TERM AND
MAPPING FUNCTION ON IONOSPHERIC DELAY
   

According to the Chapman normal ionospheric theory, a mapping function which uses Chapman profile function to weight is designed and then a trigonometric polynomial model of ionospheric VTEC is presented. The observations at Wuhan site on Jan.1,2005,as...
    2008 Vol. 28 (5): 100-104 [Abstract ] ( 69 ) [HTML 0KB] [PDF 1783KB ]( 68 )
105 Geng Changjiang , , Tang Weiming and and Zhang Hongping
  REAL-TIME MONITORING OF IONOSPHERE CHANGES BY CORS
    From the view of practice, the method for monitoring ionosphere in real time by CORS(Continuously Operating Reference Stations) is analyzed. The way to get precise DCB(Differential Code Bias) between P2 and P1 is also discussed. As the characteristics of ...
    2008 Vol. 28 (5): 105-108 [Abstract ] ( 75 ) [HTML 0KB] [PDF 1854KB ]( 94 )
109 Wang Haihong , , Wang Wei , , Li Zhen and and Liu Yuchun
  INVERSION OF GRAVITY ANOMALIES BASED ON MULTISCALE EDGES
    Multiscale edge models of gravity anomalies for homogeneous sphere and several 2D regular bodies are derived based on the potential wavelet. The features of these models are analyzed and then a mutliscale edges based on the method is put forward for the g...
    2008 Vol. 28 (5): 109-114 [Abstract ] ( 75 ) [HTML 0KB] [PDF 1133KB ]( 74 )
115 Kang Kaixuan , , Xing Canfei , , Li Hui , , Xing Lelin , , , Peng Peng , and Zhou Xin and
  APPLICATION OF ROBUST HELMERT METHOD
OF VARIANCE COMPONENT ESTIMATION IN
ADJUSTMENT OF GRAVITY NETWORK
    Helmert parameter method of variance component estimation in adjustment of gravity network may be greatly influnced by the observations with outliers. We try to combine it with the model of robust estimation based on equivalent variancecovariance, and...
    2008 Vol. 28 (5): 115-119 [Abstract ] ( 81 ) [HTML 0KB] [PDF 923KB ]( 84 )
120 Xu Jie , , Meng Li , , Ren Chao and and Xu Jun
  ANALYSIS OF MAPPING FUNCTION IN TROPOSPHERE
DELAY CORRECTION
    Mapping function is one of the most important parts in troposphere delay correction. Selecting a highprecision mapping function has great significance for data processing. Some mapping functions of highprecision troposphere delay correction models ar...
    2008 Vol. 28 (5): 120-124 [Abstract ] ( 84 ) [HTML 0KB] [PDF 1738KB ]( 80 )
125 Zeng Anmin and
  TRANSFORMATION FROM 1980 XI’AN COORDINATE
SYSTEM TO 2000 CHINESE COORDINATE
SYSTEM BASED ON COLLOCATION
    Because the similarity transformation method applied in practice for coordinate transformation is not so accurate in general
to unify different coordinate systems, the collocation method is applied for coordinate transformation from the 1980 Xi’an...
    2008 Vol. 28 (5): 125-128 [Abstract ] ( 74 ) [HTML 0KB] [PDF 766KB ]( 83 )
观测技术
 
 
129 Ou Tonggeng , , , Wang Qi , , Fu Huiqing , , Lu Jie , , Chen Zhigao , , and Yang Boxiong and
  AUTOMATIC LEVELING METHOD FOR BENCHMARK STANDARDS
    Through the analysis of the principle of automatic leveling,a method that simplifies the support by
four point but by three points to leveling the system is proposed,and the circuit design of this system is completed as well. ...
    2008 Vol. 28 (5): 129-132 [Abstract ] ( 79 ) [HTML 0KB] [PDF 878KB ]( 73 )
133 Wu Yanxia , , , Hu Guoqing , Jiang Youhua , Zhang Daozhong and and Zhu Xiaoping
  THERMOSTAT OF HIGH PRECISION GRAVITY METER
    To reduce the influence of temperature on the parameter of gravity meter and insure the observation precision of the high precision gravity meter , a high precision thermostat is developed. On the basis of the automatic control principle, the temperature...
    2008 Vol. 28 (5): 133-135 [Abstract ] ( 69 ) [HTML 0KB] [PDF 688KB ]( 76 )


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