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2021 Vol.  41 No.  2
Published: 15 February 2021

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2021 Vol. 41 (2): 0-0 [Abstract] ( 0 ) HTML                   ( ) PDF (460 KB)   ( 838 )
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2021 Vol. 41 (2): 1-1 [Abstract] ( 0 ) HTML                   ( ) PDF (1050 KB)   ( 797 )
111 EEMD-Multiscale Permutation Entropy Noise Reduction Method for GPS Elevation Time Series
LU Tieding, XIE Jianxiong
2021 Vol. 41 (2): 111-115 [Abstract] ( 976 ) HTML                   ( ) PDF (4611 KB)   ( 1523 )
116 Prediction and Analysis of GNSS Vertical Coordinate Time Series Based on Prophet-RF Model
LI Wei,LU Tieding,HE Xiaoxing,QIAN Wenlong
2021 Vol. 41 (2): 116-121 [Abstract] ( 1104 ) HTML                   ( ) PDF (2316 KB)   ( 1623 )
122 Analysis of Positioning Accuracy and Convergence of BDS Precise Point Positioning
ZHU Song,MAO Yong,YI Wenting,ZHU Jiasong
2021 Vol. 41 (2): 122-124 [Abstract] ( 1111 ) HTML                   ( ) PDF (2719 KB)   ( 1656 )
125 Performance Evaluation of BNC/RTKLIB/PPPWIZARD Real-Time Precise Point Positioning Service
DU Shi,HUANG Guanwen,GE Yulong, YUE Fan
2021 Vol. 41 (2): 125-130 [Abstract] ( 1125 ) HTML                   ( ) PDF (5276 KB)   ( 2352 )
131 Accuracy Analysis of Beidou Ionosphere Model
DING Yitao,GUO Meijun
2021 Vol. 41 (2): 131-139 [Abstract] ( 1098 ) HTML                   ( ) PDF (15322 KB)   ( 1568 )
140 Overview of GNSS-R Technique for Soil Moisture Detection
PEI Yuekun,HAN Xinxin
2021 Vol. 41 (2): 140-144 [Abstract] ( 1103 ) HTML                   ( ) PDF (1564 KB)   ( 2113 )
145 Refinement of Atmospheric Weighted Mean Temperature Model Considering the Effects of Multiple Factors for Western China
MO Zhixiang, LI Xing,HUANG Liangke,LIU Lilong, WEI Xinyi,ZHOU Qinghua
2021 Vol. 41 (2): 145-151 [Abstract] ( 1055 ) HTML                   ( ) PDF (6080 KB)   ( 1448 )
152 Establishment of Short-Term Rainfall Forecast Model by Least Square Support Vector Machine
ZHAO Qingzhi,LIU Yang,YAO Wanqiang
2021 Vol. 41 (2): 152-156 [Abstract] ( 934 ) HTML                   ( ) PDF (1634 KB)   ( 1470 )
157 Calculation of Rank-Defective Indirect Adjustment Model with Constraint by Inverting Block Matrix
XIE Bo, LIU Lianwang
2021 Vol. 41 (2): 157-161 [Abstract] ( 885 ) HTML                   ( ) PDF (956 KB)   ( 1690 )
162 Research on Dam Deformation Prediction Based on Deep Fully Connected Neural Network
YANG Heng,YUE Jianping,XING Yin,ZHOU Qinkun
2021 Vol. 41 (2): 162-166 [Abstract] ( 1252 ) HTML                   ( ) PDF (1875 KB)   ( 1773 )
167 Research on Focal Mechanism and Seismogenic Structure of 2020-01-23 Shiqu MS4.3 Earthquake in Sichuan Province
YANG Yanming,HU Bo,DAI Yong,ZHANG Xiaoyan
2021 Vol. 41 (2): 167-172 [Abstract] ( 1093 ) HTML                   ( ) PDF (4639 KB)   ( 1554 )
173 Research on the b-Value Space-Time Characteristics in Jiangsu-Anhui Section and Adjacent Area of Tan-Lu Fault Zone
YU Teng,WANG Xin,LI Mingfeng,ZHU Yimin,SUN Xiaorong
2021 Vol. 41 (2): 173-179 [Abstract] ( 944 ) HTML                   ( ) PDF (7258 KB)   ( 1390 )
180 Characteristics of Shear-Wave Splitting in the Crust in Southern Liaoning Region
XIA Caiyun,ZHANG Zhengshuai,LIU Geng,YANG Shichao
2021 Vol. 41 (2): 180-185 [Abstract] ( 878 ) HTML                   ( ) PDF (5061 KB)   ( 1407 )
186 Characteristics of Wavelet Multi-Scale Gravity Field and Analysis of Tectonic Activity in Jiangsu Coastal Area
ZHANG Dalian,ZHANG Ping,LI Xiangqian,ZHANG Shuo
2021 Vol. 41 (2): 186-191 [Abstract] ( 925 ) HTML                   ( ) PDF (6755 KB)   ( 1532 )
192 The Expression of the Geocentric Latitude at the Average of Normal Gravity with Respect to Eccentricity
XI Menghan,OUYANG Yongzhong
2021 Vol. 41 (2): 192-195 [Abstract] ( 896 ) HTML                   ( ) PDF (1092 KB)   ( 2096 )
196 Drought Detection over Yangtze River Basin from GRACE Time-Variable Gravity Data
WANG Jielong,CHEN Yi
2021 Vol. 41 (2): 196-200 [Abstract] ( 1005 ) HTML                   ( ) PDF (4242 KB)   ( 1695 )
201 Monitor and Analyze the Drought Characteristics of Guizhou Based on GRACE Gravity Satellite Data
CHEN Fang, LIU Suihua, RUAN Ou, LUO Jie
2021 Vol. 41 (2): 201-205 [Abstract] ( 940 ) HTML                   ( ) PDF (3997 KB)   ( 1467 )
206 Detecting Fault and Activity Studies of Zhazi’ao Fault in Junlian-Changning Earthquake Zone in the Southern Margin of Sichuan Basin
HE Qiang,WANG Shiyuan,ZHOU Yadong,LIU Shao,MA Chao
2021 Vol. 41 (2): 206-211 [Abstract] ( 848 ) HTML                   ( ) PDF (13920 KB)   ( 1456 )
207 Development of Miniaturized Volume Borehole Strain Instrument
MA Jingjie, LI Hailiang
2021 Vol. 41 (2): 207-220 [Abstract] ( 910 ) HTML                   ( ) PDF (2652 KB)   ( 1314 )
212 Application and Discussion of Microtremor Survey for Frozen Soil Roadbed
JIN Cong,LIN Song,CHENG Miao,ZHA Yanhong
2021 Vol. 41 (2): 212-216 [Abstract] ( 871 ) HTML                   ( ) PDF (4908 KB)   ( 1337 )
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