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2020, Vol.6, Issue.8

On the cover

Promptly updated digital elevation models (DEM) that reflect the topography of the Earth are essential for many purposes, including geohazard mitigation. Current technologies for generating DEM are mainly based on images from airborne and low-earth-orbiting (LEO) space-borne sensors. The DEM update rates from such sensors are limited due to the low revisit frequency of the sensor platforms. It is therefore important to explore new ways for generating promptly updated DEM. Research on generating daily DEM based on future geostationary synthetic aperture radar (GEOSAR) data is published in this special issue entitled Geodesy and Surveying Engineering. The research demonstrates that daily DEM generation based on GEOSAR data and the interferometric SAR (InSAR) concept is possible, although further research is needed to enhance the accuracy of such DEM. The cover image shows the topography of an area generated from NASA's Shuttle Radar Topography Mission and used to simulate the quality of GEOSAR interferograms in the research.

Contents Volume 6 · Issue 8 · 2020. Pages 847-956 14 articles

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Editorial

Editorial for the Special Issue on Geodesy and Survey Engineering

Jiancheng Li

Engineering 2020, Volume 6, Issue 8,   Pages 847-848 doi:10.1016/j.eng.2020.07.011

Abstract 6305 PDF 106

News & Highlights

Internet Satellite Boom Presents Astronomical Problems

Mitch Leslie

Engineering 2020, Volume 6, Issue 8,   Pages 849-850 doi:10.1016/j.eng.2020.06.008

Abstract 717 PDF 58

Ultraviolet Light Fights New Virus

Dana Mackenzie

Engineering 2020, Volume 6, Issue 8,   Pages 851-853 doi:10.1016/j.eng.2020.06.009

Abstract 1051 PDF 67

Neuromorphic Computing Advances Deep-Learning Applications

Chris Palmer

Engineering 2020, Volume 6, Issue 8,   Pages 854-856 doi:10.1016/j.eng.2020.06.010

Abstract 1581 PDF 98

Topic Insights

Positioning Australia for the Future

Nicholas Brown, John Dawson, Ryan Ruddick

Engineering 2020, Volume 6, Issue 8,   Pages 857-859 doi:10.1016/j.eng.2020.07.012

Abstract 6074 PDF 88

Research

Geodesy and Survey Engineering

A High-Resolution Earth’s Gravity Field Model SGG-UGM-2 from GOCE, GRACE, Satellite Altimetry, and EGM2008 Article

Wei Liang, Jiancheng Li, Xinyu Xu, Shengjun Zhang, Yongqi Zhao

Engineering 2020, Volume 6, Issue 8,   Pages 860-878 doi:10.1016/j.eng.2020.05.008

Abstract 6699 PDF 230

Realization of an Optimal Dynamic Geodetic Reference Frame in China: Methodology and Applications Article

Pengfei Cheng, Yingyan Cheng, Xiaoming Wang, Suqin Wu, Yantian Xu

Engineering 2020, Volume 6, Issue 8,   Pages 879-897 doi:10.1016/j.eng.2020.08.004

Abstract 5983 PDF 123

Consistency of MGEX Orbit and Clock Products Article

Peter Steigenberger, Oliver Montenbruck

Engineering 2020, Volume 6, Issue 8,   Pages 898-903 doi:10.1016/j.eng.2019.12.005

Abstract 5691 PDF 87

Precise Orbit Determination for the FY-3C Satellite Using Onboard BDS and GPS Observations from 2013, 2015, and 2017 Article

Xingxing Li , Keke Zhang, Xiangguang Meng, Wei Zhang, Qian Zhang, Xiaohong Zhang, Xin Li

Engineering 2020, Volume 6, Issue 8,   Pages 904-912 doi:10.1016/j.eng.2019.09.001

Abstract 714 PDF 74

Analysis of the Quality of Daily DEM Generation with Geosynchronous InSAR Article

Zefa Yang, Qingjun Zhang, Xiaoli Ding, Wu Chen

Engineering 2020, Volume 6, Issue 8,   Pages 913-918 doi:10.1016/j.eng.2020.07.003

Abstract 1208 PDF 186

Detection of the Pine Wilt Disease Tree Candidates for Drone Remote Sensing Using Artificial Intelligence Techniques Article

Mutiara Syifa, Sung-Jae Park, Chang-Wook Lee

Engineering 2020, Volume 6, Issue 8,   Pages 919-926 doi:10.1016/j.eng.2020.07.001

Abstract 1317 PDF 130

Mechanical Engineering

Mechanical Analysis and Performance Optimization for the Lunar Rover’s Vane-Telescopic Walking Wheel Article

Lu Yang, Bowen Cai, Ronghui Zhang, Kening Li, Zixian Zhang, Jiehao Lei, Baichao Chen, Rongben Wang

Engineering 2020, Volume 6, Issue 8,   Pages 936-943 doi:10.1016/j.eng.2020.07.009

Abstract 1370 PDF 205

Smart Environment Forecasting

A New Model Using Multiple Feature Clustering and Neural Networks for Forecasting Hourly PM2.5 Concentrations, and Its Applications in China Article

Hui Liu, Zhihao Long, Zhu Duan, Huipeng Shi

Engineering 2020, Volume 6, Issue 8,   Pages 944-956 doi:10.1016/j.eng.2020.05.009

Abstract 1190 PDF 118