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2012 Vol.32 (Number 2)
Apr. 12, 2012
地壳形变与地震
理论方法研究
观测技术
地壳形变与地震
1
Shen Qiang , Qiao Xuejun , Jin Yinlong , Wang Hansheng and and Jiang Liming
ERROR ANALYSIS OF BASELINE AND TERRAIN IN InSAR DATA
PROCESSING USING ALOS PALSAR
Seeing that there are still many factors governing the accuracy of InSAR although they have appeared to good application in various field as earthquake, landslide,etc. this paper focus on the two sources of errors controlling the accuracy of InSAR.In the ...
2012 Vol. 32 (2): 1-6 [
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7
Jin Honglin , Hu Xinkang and and Wang Yuebing
STUDY ON STRAIN FIELD AROUND ZHANGJIAKOU-BOHAI
SEISMIC BELT WITH LEAST-SQUARE COLLOCATION
We collected and combined all mobile GPS data between 1999 and 2009 around ZhangjiakouBohai seismic belt, and obtained the velocities at 143 stations. At the same time,we constructed a regional strain field of the ZhangjiakouBohai seismic belt region ...
2012 Vol. 32 (2): 7-10 [
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11
Wei Wenxin , , Jiang Zaisen , Wu Yanqiang , , Liu Xiaoxia , Zhao Jing , Li Qiang and and Dong Man
STUDY ON MOTION CHARACTERISTICS AND STRAIN
ACCUMULATION OF XIAOJIANG FAULT ZONE
Using the GPS velocity field data from 1999-2001,2001-2004 and 2004-2007 on short time scales, we studied the overall motion characteristics of Xiaojiang fault through linear model of block(RELSM), and reached the result that its average leftlateral sli...
2012 Vol. 32 (2): 11-15 [
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16
Qin Shanlan, Wang Qingliang, Ji Lingyun and and Li Yuhang
ANALYSIS OF VERTICAL DEFORMATION IN WEST QINLING ZONE
BASED ON LEVELING DATA
On the basis of 1970—2006 leveling observations, we obtain the vertical velocity field of the west Qinling tectonic belt with the method of the least square adjustment.The results show that Liupanshan and its surrounding areas are rising with the rate 2-...
2012 Vol. 32 (2): 16-19 [
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75
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20
Wu Jizhong and and Wu Wentan
KINEMATIC ANALYSIS OF COSEISMIC DEFORMATION AND
SEISMIC LOCATION USING HIGH-RATE GPS
The highrate GPS data from 8 stations in the 2011 Mw9.0 Tohoku earthquake were processed by using precise point positioning, and the displacement time series at each GPS site were analyzed to derive displacement waveforms for this event. The results ind...
2012 Vol. 32 (2): 20-23 [
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24
Sun Zhongmiao, Zhai Zhenhe, Li Yingchun and and Xiao Yun
CONCURRENT FLIGHT TEST OF LaCoste & Romberg(LCR)
AIRBORNE GRAVIMETER ⅡAND Ⅰ SYSTEM
In order to validate the accuracy and the performance of the LaCoste & Romberg (LCRⅡ), a concurrent flight test over
a mountain area was undertaken.The LCR gravimeter Ⅱ and an LCR gravimeter Ⅰ system side by side. The results of the fligh...
2012 Vol. 32 (2): 24-27 [
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28
Wang Chaoling and and Liu Zhengping
REALIZATION OF VISCOELASTIC BOUNDARY CONDITION IN WAVE
FIELD SIMULATION WITH ANSYS FINITE ELEMENT SOFTWARE
We present a method to realize viscoelastic boundary condition in ANSYS finite element software by using the Combin 14 element.The numerical results show that the method can well absorb the boundary reflection wave,and is insensitive to change of boundar...
2012 Vol. 32 (2): 28-31 [
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58
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32
Zhang Liangjing , , Jin Shuanggen , and Zhang Tengyu and
SEASONAL VARIATIONS OF EARTH’S SURFACE
DEFORMATION ESTIMATED FROM GPS
AND SATELLITE GRAVIMETRY
We computed and compared the vertical loading deformation from GPS and GRACE and found that at most global sites, the root mean square (RMS）of GPS coordinate time series decreased after removing the GRACE estimates, and the annual variations of the GPS h...
2012 Vol. 32 (2): 32-38 [
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39
Liu Renli , Li Jiancheng , , and Chu Yonghai and
RESEARCH ON VARIATION OF WATER STORAGE IN
SOUTHWEST CHINA BY USE OF GRACE GRAVITY FIELD MODEL
By use of the monthly average gravity model,from Jan. 2003 to Dec. 2010, released by GRACE datacenter CSR,we obtain the variation of continental water storage in China, then analyse and explaint the results with meteorological and hydrological informatio...
2012 Vol. 32 (2): 39-43 [
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理论方法研究
44
Tao Tingye , , , Gao Fei , Liu Wenxing and and Zhang Chunxi
INTERPOLATION TECHNIQUE BASED ON RBF NEURAL
NETWORK OF GPS BROADCAST EPHEMERIS
Using the RBF(Radial Basis Function) neural network to interpolate the GPS satellite coordinate computed by broadcast ephemeris was proposed in order to solve the problem of Runge Phenomenon(RP) in polynomial interpolation. The GPS satellite coordinate ca...
2012 Vol. 32 (2): 44-46 [
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47
Xiao Changwei , Yuan Yunbin , Sheng Chuanzhen , Wang Yongqian and and Dong Lina
INFLUENCE OF GEOMETRY AND NUMBER OF IGS
STATION ON PRECISE ORBIT DETERMINATION OF
GPS NAVIGATION CONSTELLATION
Oneday, threeday and sevenday orbit solutions of GPS navigation constellation based on the observations of IGS stations in different numbers and geometries from 87day to 95day in 2008 were determined. The final solutions were compared with IGS ...
2012 Vol. 32 (2): 47-50 [
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76
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51
Wang Yanting , Gui Qingming , and and Zhang Qianqian
BAYESIAN APPROACH TO DETECTION OF GROSS ERRORS
BASED ON DIVERGENCE OF KULLBACK-LEIBER
With the view of influence analysis, a new Bayesian method for gross errors detection based on divergence of KullbackLeiber is proposed. Under the condition of unequal weight and independent observations, a comparison among the data deletion model, the...
2012 Vol. 32 (2): 51-54 [
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58
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55
Wang Cheng and and Wang Jiexian
INTERNATIONAL REFERENCE IONOSPHERE AND ITS APPLICATION
IN FEATURES ANALYSIS OF IONOSPHERE ELECTRON DENSITY
The latest version of international reference ionosphere, updating contents and data sources are introduced. The construction and functions of international reference ionosphere source program is elaborated. Interface routine based on source program
...
2012 Vol. 32 (2): 55-59 [
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61
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60
Li Yun , Yang Zhiqiang and and Yang Bo
GROSS ERROR DETECTION AND ANALYSIS BY HIERARCHICAL
CLASSIFICATION OF MOUNTAINOUS LIDAR DATA
Gross error detection is one of the important data processing steps of mountainous LIDAR point cloud data. Through analysing the features of gross error distribution,original LIDAR point cloud data can be divided into extreme outliers, outlier clusters a...
2012 Vol. 32 (2): 60-63 [
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67
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64
Nie Linjuan , , Shen Wenbin , Wang Zhengtao and and Jin Taoyong
APPLICATIONS OF PARALLEL SOLUTIONS TECHNOLOGY
IN SATELLITE GRAVITY MEASUREMENT
The parallel algorithm based on supercomputer for solving the Earth’s gravity field model was investigated.Shared and distributed parallel environment (OpenMP & MPI) applying to the least squares method are analysed and compared. Different threads, d...
2012 Vol. 32 (2): 64-68 [
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63
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69
Zhang Yong , Zhang Bin , and and Ma Nengwu
ON MODELS OF IONOSPHERIC DELAY CORRECTION
FOR SINGLEFREQUENCY GPS RECEIVER
Aiming at the defect of singlefrequency GPS receiver affected by ionospheric, the effect of ionospheric delay correction with four kinds of different ionospheric models (i.e. Klobuchar, NeQuick, IRI and IGGSH) have been analyzed by use of some GPS data ...
2012 Vol. 32 (2): 69-73 [
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76
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74
Zhou Jianguo , , Zhang Peng , , and Feng Xin and
STUDY ON ADAPTIVE ALGORITHM FOR WIRELESS SENSOR
NETWORK INDOOR POSITIONING
]Indoor positioning by the use of wireless sensor networks is a hot topic for research. The traditional ranging positioning method based on the strength of received signals can not work in complex and dynamic environment because the necessary priori rangi...
2012 Vol. 32 (2): 74-77 [
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60
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78
Pan Guorong , , Song Yunpu , Li Huaifeng and and Zhang Peng
RESEARCH ON AUTOMATIC MONITORING TECHNIQUE OF
PIPE REPLACED BY BOX CULVERT JACKING PROCESS
Automatic real-time guidance measurement is the key to modern construction measurement. Nowadays,in China the new underground 3D traffic engineering method of pipe replaced by box culvert jacking is used, but the manual measurement can not meet the requir...
2012 Vol. 32 (2): 78-81 [
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57
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82
Li Chengren, Yue Dongjie and and Jin Baoping
The key of least square collocation method is to determine the covariance function of experience reasonably. On the basis of necessity of least square collocation in GPS height fitting, the principle of least square collocation is expounded, a priori va...
2012 Vol. 32 (2): 82-85 [
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74
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86
Jiang Guangwei, Cheng Chuanlu, Guo Chunxi, Wang wenli, Wang Bin, Nie Jianliang and and Ma Xinying
APPLICATION OF ITRF2008 IN CHINA GEOID DATUM
Taking the data of China geoid datum in consecutive days,as an example,the latest International Terrestrial Reference Frame(ITRF2008) was used to analyzed the difference between ITRF2008 ,ITRF2005 and CGCS2000. It is valuble maintaince to China geoid da...
2012 Vol. 32 (2): 86-90 [
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68
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91
Zhang Shuangcheng, Zhang Pengfei and and Fan Pengfei
RECENT PROGRESS AND COMPARATIVE ANALYSIS OF
TROPOSPHERIC CORRECTION MODELS BASED ON GPS
The tropospheric delay is the main error for GNSS navigation and positioning.Along with the accuracy improved and deep research, the UNB3m,EGNOS,SHAO,etc. tropospheric models were proposed in recent years.
Three IGS stations are used to analyzed th...
2012 Vol. 32 (2): 91-95 [
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74
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96
Cheng Guangyi, Zhang Haidong, Zhang Yingli, Wan Xin and and Zhao Shufen
DATA ANALYSIS OF THIRDORDER GPS GEODETIC\=[JZ]
NETWORK BY ADVANCED GPS REFERENCE POINT
The thirdorder GPS geodetic network is a longterm construction project of national basic surveying. Making full use of advanced GPS reference points of all kind of project can not only improve the accuracy but also accelerate the construction of the t...
2012 Vol. 32 (2): 96-99 [
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57
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100
Ma Zhiquan , Chen Qinming , and and Gao Dezheng
STUDY ON ACCURACY OF ZTD AND ZWD CALCULATED
FROM ERA-INTERIM DATA OVER CHINA
The zenith tropospheric delay (ZTD) and zenith wet delay (ZWD) derived from the European Center for MediumRange Weather Forecasts data (ECMWF ZTD/ZWD) were assessed by calculating ZTD/ZWD from GPS observations, and the calculation method was also discu...
2012 Vol. 32 (2): 100-104 [
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61
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105
Wang Zhengjun
PERFOMANCE ASSESSMENT OF GPS/GLONASS
PRECISE POINT POSITIONING
After explaining the method and models for Precise Point Positioning (PPP) based on combined GPS and GLONASS, the positioning accuracy of static and kinematic PPP and convergence of kinematic PPP for GPS, GLONASS and their combination were compared with e...
2012 Vol. 32 (2): 105-109 [
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73
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110
Zhou Boyang , Luo Zhicai , , Lin Xu and and Zhou Hao
PROCESSING METHODS FOR OUTLIERS IN NETWORK
ADJUSTMENT OF AIRBORNE GRAVIMETRY
The main task of network adjustment of airborne gravimetry is to compensate systemic errors. In order to weaken the influence of outliers and improve the effect of compensation, this paper brings in thresholding and robust estimation, and confirms these t...
2012 Vol. 32 (2): 110-114 [
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58
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115
Tian Yanfeng , Li Shanshan and and Xiao Fan
WAVELET PRE-PROCESSING FOR HORIZONTAL ACCELERATION
OF AERIAL GRAVITY MEASUREMENT
According to the spectrum characteristic of the horizontal acceleration correction in the aerial gravity measurement and the partition rules of wavelet transformation frequency band, the wavelet prefilter scale of the horizontal acceleration correction...
2012 Vol. 32 (2): 115-119 [
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61
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120
Zeng Anmin , and and Zhang Liping
COMBINED METHOD FOR DATUM TRANSFORMATION CONSIDERING
STOCHASTIC ERROR AND LOCAL DEFORMATION
The different coordinate systems mean different geophysical concept.In the geodetic network the local deformation and accumulation error exist, and there are stochastic value in the common points with the different coordinate. So the coordinate transform...
2012 Vol. 32 (2): 120-123 [
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54
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124
Tian Liang , Sun Fuping and and Li Chuyang
STUDY ON ARMA MODEL BASED ON GPS STATION
COORDINATE RESIDUAL SERIES
As to GPS station coordinate residuals, we used two classical ARMA modeling methods (BoxJenkins method and PanditWu method) to fit the GPS station coordinate residuals, and made comparative study. According to the experiment, we found out that the two...
2012 Vol. 32 (2): 124-127 [
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64
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128
Tao Ke and and Zhu Jianjun
A COMPARATIVE STUDY ON VALIDITY ASSESSMENT OF
WAVELET DE-NOISING
Wavelet transform has played an important role in the field of surveying data processing,as the noise can be eliminated effectively on the basis of wavelet decomposition and reconstruction. Currently, the research of wavelet denoising mainly focuses on ...
2012 Vol. 32 (2): 128-133 [
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67
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134
Jiang Kun, Wang Jian and and Liu Chao
STUDY OF PSEUDOLITES OPTIMIZATION MODEL IN
GNSS/PSEUDOLITES NAVIGATION AND POSITIONING
Aiming at optimal construction of pseudolites in GNSS/Pseudolites(PLs) combined system, this paper pointed out the necessity of PLs’ joining in GNSS,and built a fourdimensional(4D) model based on azimuth angel, elevation angel and observed epochs.T...
2012 Vol. 32 (2): 134-138 [
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62
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139
Lin Dongfang, Song Yingchun, Du Kun and and Xiao Qinqin
GPS ELEVATION FITTING BASED ON EM ALGORITHM
FOR LACK OF DATA
Restricted by the observing conditions, some important data of GPS elevation fitting are often missed
or not enough. Using conventional methods will reduce the fitting accuracy of the quasigeoid.By use of the EM algorithm with the addition of “...
2012 Vol. 32 (2): 139-142 [
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58
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143
Yang Xia and and Li Jiancheng
INTER-SATELLITE LINKS ANALYSIS OF WALKER CONSTELLITE
With the developments of satellite, radio communication, and computer technology, autonomous operation of satellite navigation system becomes more and more important. Inter-satellite Link (ISL) is a key technology. The Walker constellation structure, and ...
2012 Vol. 32 (2): 143-147 [
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69
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148
Wang Qichun , , , Guo Guangli , , , Zha Jianfeng , , and and Liu Shen
COMPARATIVE STUDY ON INTEREST POINT DETECT OPERATORS
BASED ON IMAGE’S GRAY AND IMPROVEMENT
This method based on image’s gray to detect the interest pointis mainly includes Moravec operator, Harris operator, Forstner operator and the improved Forstner operator nowadays, and there are some differences in the detect speed, positioning accuracy, s...
2012 Vol. 32 (2): 148-154 [
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71
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观测技术
155
Zhang Jing and and Liu Qi
COUPLING COEFFICIENTS INVERSION OF DIFFERENCE
STRAIN IN BOREHOLE OBSERVATION AND DISCUSSION
OF RELATED MECHANISM
The method of coupling coefficients inversion for 4component borehole strainmeters was studied, which adopts two computation models including azimuth correction and phase lag effect. Using the data from the network of 4component borehole strain observ...
2012 Vol. 32 (2): 155-159 [
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