QQ客服 官方微博 反馈留言

浏览/检索结果: 共5条，第1-5条 帮助 限定条件 发表日期：2019    内容类型：期刊论文     已选(0)清除 条数/页：5101520253035404550556065707580859095100   排序方式：请选择作者升序作者降序题名升序题名降序发表日期升序发表日期降序提交时间升序提交时间降序 Spatial variation of the relationship between transport accessibility and the level of economic development in Qinghai-Tibet Plateau, China 期刊论文 JOURNAL OF MOUNTAIN SCIENCE, 2019, 卷号: 16, 期号: 8, 页码: 1883-1900 作者:  Yang Xue-ting;  Qiu Xiao-ping;  Fang Yi-ping;  Xu Yun;  Zhu Fu-biao 收藏  |  浏览/下载：53/0  |  提交时间：2019/09/09 Accessibility  Raster cost weighted  Geographically weighted regression  Economic effect  Spatial variations   Hierarchical structure in the world's largest high-speed rail network 期刊论文 PLOS ONE, 2019, 卷号: 14, 期号: 2, 页码: 11 作者:  Wei, Sheng;  Teng, Shuqing N.;  Li, Hui-Jia;  Xu, Jiangang;  Ma, Haitao 收藏  |  浏览/下载：69/0  |  提交时间：2019/05/22 Integration of terrestrial laser scanning and soil sensors for deformation and hydrothermal monitoring of frost mounds 期刊论文 MEASUREMENT, 2019, 卷号: 131, 页码: 513-523 作者:  Luo, Lihui;  Ma, Wei;  Zhang, Zhongqiong;  Zhuang, Yanli;  Yang, Jinqiang 收藏  |  浏览/下载：151/0  |  提交时间：2019/10/09 Terrestrial laser scanning  Global navigation satellite system  Deformation monitoring  Hydrothermal monitoring  Frost mound   Collaborative unbalance compensation method for high-speed railway traction power supply system considering energy feedback 期刊论文 IET POWER ELECTRONICS, 2019, 卷号: 12, 期号: 1 作者:  Yuan, Jiaxin;  Xiao, Feiran;  Zhang, Chenmeng;  Chen, Yaojun;  Ni, Zhou 收藏  |  浏览/下载：11/0  |  提交时间：2019/12/05 power electronics  traction power supplies  power supply quality  railway electrification  power system control  energy feedback  collaborative unbalance compensation method  CUCM  railway power conditioner principle  Steinmetz principle  compensation current expressions  bullet trains  high-speed railway power systems  high-speed railway traction power supply system  traction power supply systems  power quality  power electronics compensation devices   Recent Developments and Future Challenges in Channel Measurements and Models for 5G and Beyond High-Speed Train Communication Systems 期刊论文 IEEE COMMUNICATIONS MAGAZINE, 2019, 卷号: 57, 期号: 9, 页码: 50-56 作者:  Liu, Yu;  Wang, Cheng-Xiang;  Huang, Jie 收藏  |  浏览/下载：13/0  |  提交时间：2019/12/11 Channel models  Antenna measurements  Frequency measurement  Railway  communication  5G mobile communication