云南高校图书馆联盟文献共享服务平台- LEVELING

LEVELING: 作品数：93被引量：138H指数：6; 导出分析报告; 相关作者：张凯赵瑞涛董超芳李晓刚肖葵更多>>; 相关机构：北京科技大学吉林省地理信息工程院广州市城市规划勘测设计研究院广东省气象科技服务中心更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金国家重点基础研究发展计划国家高技术研究发展计划中国博士后科学基金更多>>

Design and testing of a liftable chassis for rice harvester: 《智能化农业装备学报(中英文)》2025年第1期59-70,共12页YANG Ke LI Ju CHEN Yu LI Hao AO Yu LEI Xiaolong; Sichuan Science and Technology Program(2022YFG0077)。; During the operation of the rice combine harvester,the fuselage tilts due to the tilt and unevenness of the ground affect its maneuverability and operational reliability.Aiming at the problem of leveling due to the ti...; 关键词：rice combine harvester chassis lifting mechanism hydraulic leveling leveling time

Development of a crawler chassis attitude adjustment device for a selfpropelled maize harvester and experiment of fuselage leveling: 《International Journal of Agricultural and Biological Engineering》2024年第6期111-120,共10页Hewen Tan Gang Wang Shuhui Zhou Honglei Jia Zhaobo Zou Minghao Qu; financially supported by the National Key R&D Program of China(Grant No.2022YFD1500701);the Jilin Science and Technology Development Plan(Grant Nos.20210202019NC,20220203081SF).; Self-propelled maize harvesters are prone to overturning when operating on sloping ground.Solving this problem presents a major technical challenge for researchers.Existing undercarriage leveling technologies are most...; 关键词：crawler harvesters adjustment mechanism leveling control systems vectors method

Modeling a Local Geoid: Application in Thies, Senegal: 《International Journal of Geosciences》2024年第11期940-956,共17页Mouhamadou Moustapha Mbacké Ndour Papa Matar Sylla Babacar Faye Moussa Mbacké Ndour; Many applications in geodesy, hydrography and engineering require determining heights linked to the geoid. Direct leveling, which is the traditional method of obtaining these elevations, is slow, time consuming and ex...; 关键词：GEOID Direct Leveling GNSS GRAVITY PAGravf4.5 SRBF Thies

Experimental Study on the Sinking and Leveling of A Large-Capacity Offshore Wind Turbine Five-Bucket Foundation in Sand: 《China Ocean Engineering》2024年第4期586-601,共16页LIAN Ji-jian ZHU Hang GUO Yao-hua WANG Hai-jun YU Tong-shun; financially supported by the Open Foundation of State Key Laboratory of Hydraulic Engineering Simulation and Safety of Tianjin University(Grant No.HESS-2002)。; As offshore wind farms expand into deeper and farther ocean regions and the unit capacity of offshore wind turbines(OWTs)increases,there is a pressing need for a new foundation structure that can accommodate deep-sea ...; 关键词：offshore wind turbine(OWT) bucket foundation seepage failure suction installation

Design method and experimental study of a cathode tool with an extremely high leveling ratio for electrochemical machining of blisk: 《Chinese Journal of Aeronautics》2024年第4期593-608,共16页Moqi SHEN Jia LIU Jingtao WANG Di ZHU; sponsored by the Industrial Technology Development Program (Grant No. JCKY2021605B026, and National Natural Science Foundation of China (Grant No. 92160301))。; To obtain final parts with the desired dimensional accuracy and repeatability via electrochemical machining(ECM), the machining process must enter an ECM balanced state. However,for the ECM processing of blisk, a key ...; 关键词：Electrochemical machining(ECM) Non-equilibrium machining Large leveling ratios Cathode design Finite element simulation BLISK

Methodology for local correction of the heights of global geoid models to improve the accuracy of GNSS leveling: 《Geodesy and Geodynamics》2024年第1期42-49,共8页Stepan Savchuk Alina Fedorchuk; the International Center for Global Earth Models(ICGEM)for the height anomaly and gravity anomaly data and Bureau Gravimetrique International(BGI)for free-air gravity anomaly data from the World Gravity Map project(WGM2012);The authors are grateful to Głowny Urza˛d Geodezji i Kartografii of Poland for the height anomaly data of the quasi-geoid PL-geoid2021.; At present,one of the methods used to determine the height of points on the Earth’s surface is Global Navigation Satellite System(GNSS)leveling.It is possible to determine the orthometric or normal height by this met...; 关键词：GNSS leveling Global geoid model Gravity anomaly Weight data Correcting data

Vertical deformation before and after the 2022 Menyuan Ms6.9 earthquake and analysis of earthquake precursors: 《Geodesy and Geodynamics》2023年第6期582-588,共7页Sixin Zhang Peng Jia Bowen Hou Ming Hao; financially supported by the Lhasa National Observation and Research Station of Geophysics(NORSLS20-03);the National Natural Science Foundation of China(42072243)。; This study analyzed the vertical deformation before and after the 2022 Menyuan Ms6.9 earthquake in Qinghai Province,China,using leveling profiles across faults measured from Minle County in Gansu Province to Menyuan C...; 关键词：2022 Menyuan earthquake 2016 Menyuan earthquake LEVELING Vertical deformation Elastic rebound

Vertical deformation analysis based on combined adjustment for GNSS and leveling data: 《Geodesy and Geodynamics》2023年第5期477-484,共8页Jianliang Nie Jie Tian Xinwei Guo Bin Wang Xiaoyun Liu Yaxuan Cheng Pengtao Jiao; supported by the National Natural Science Foundation of China(41774004,41904040);the Technological Innovation of SHASG(SCK2020-11).; A method is proposed to fuse the velocity data of the global navigation satellite system(GNSS) and leveling height via combined adjustment with constraints. First, stable GNSS-leveling points are uniformly selected, a...; 关键词：Vertical crustal movement GNSS LEVELING Robust adjustment Data fusion

Performance evaluation of high/ultra-high-degree global geopotential models over Vietnam using GNSS/leveling data被引量：1: 《Geodesy and Geodynamics》2023年第5期500-512,共13页Hoa Thi Pham Sten Claessens Michael Kuhn Joseph Awange; The availability of many high-degree Global Geopotential Models(GGMs), namely EGM2008, EIGEN-6C4,GECO, SGG-UGM-1, SGG-UGM-2, XGM2019e_2159, and GGMPlus, challenges users regarding which model is best for Vietnam. This...; 关键词：GGM Evaluation GNSS/Leveling EGM2008 EIGEN-6C4 GECO SGG-UGM-1 SGG-UGM-2 XGM2019e_2159 GGMPlus

12点调平系统及其应急预案措施: 《Aerospace China》2023年第3期31-37,共7页LIU Yu ZHANG Shuai HE Jianhua ZHU Miaoxin ZENG Yi ZHOU Li; With high stability,strong bearing capacity and other characteristics,multi-point leveling systems have been widely used in various industries.The mobile platform here uses a 12-point leveling system,which is mainly c...; 关键词：multi-point leveling system supporting arm emergency operation LEVELING 12-point

LEVELING