2 Artículos

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Characterizing the Up-To-Date Land-Use and Land-Cover Change in Xiong?an New Area from 2017 to 2020 Using the Multi-Temporal Sentinel-2 Images on Google Earth Engine

Acceso

en línea

Jiansong Luo, Xinwen Ma, Qifeng Chu, Min Xie and Yujia Cao

Land use and land cover (LULC) are fundamental units of human activities. Therefore, it is of significance to accurately and in a timely manner obtain the LULC maps where dramatic LULC changes are undergoing. Since 2017 April, a new state-level area, Xio... ver más

Revista: ISPRS International Journal of Geo-Information Formato: Electrónico

Tabla de contenido: Vol: 10 Num: 0 Par: 7 Año: 2021

Vertical Vibration Analysis of Vehicle-Track-Subgrade Coupled System in High Speed Railway with Dynamic Flexibility Method

Acceso

en línea

Yang Xinwen, Gu Shaojie, Zhou Shunhua, Shu Yao, Ma Xiaoyun Pág. 291 - 300

A high speed train-track-subgrade vertical coupled dynamic model is developed in frequency domain. In this model, coupling effects between vehicle and track and between track and subgrade are considered. Full vehicle is represented by a rigid body model ... ver más

Revista: Transportation Research Procedia Formato: Electrónico

Tabla de contenido: Vol: 25 Num: 0 Par: 0 Año: 2017

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