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Chinese Academy of Sciences Institutional Repositories Grid
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CAS IR Grid
机构
遥感与数字地球研究... [28]
地理科学与资源研究所 [4]
金属研究所 [2]
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OAI收割 [34]
内容类型
期刊论文 [19]
会议论文 [14]
EI期刊论文 [1]
发表日期
2023 [1]
2020 [2]
2018 [2]
2015 [4]
2014 [4]
2013 [5]
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Extraction of tree heights in mountainous natural forests from UAV leaf-on stereoscopic imagery based on approximation of ground surfaces
期刊论文
OAI收割
REMOTE SENSING OF ENVIRONMENT, 2023, 卷号: 293, 页码: 14
作者:
Yu, Tianyu
;
Ni, Wenjian
;
Liu, Jianli
;
Zhao, Ruiqi
;
Zhang, Zhiyu
  |  
收藏
  |  
浏览/下载:26/0
  |  
提交时间:2023/10/09
Tree heights
UAV
Stereoscopic imagery
Allometric equation
Terrain
Leaf -on
Tailoring microstructure and mechanical performance of the TC4 titanium alloy brazed joint through doping rare-earth element Dy into Ti-Cu-Ni filler alloy
期刊论文
OAI收割
JOURNAL OF MANUFACTURING PROCESSES, 2020, 卷号: 50, 页码: 255-265
作者:
He, Yanming
;
Lu, Chuanyang
;
Ni, Chengyuan
;
Chen, Qingxia
;
Zheng, Wenjian
  |  
收藏
  |  
浏览/下载:43/0
  |  
提交时间:2021/02/02
Titanium alloy
Micro-alloying
Brazing
Microstructure
Mechanical properties
Tailoring microstructure and mechanical performance of the TC4 titanium alloy brazed joint through doping rare-earth element Dy into Ti-Cu-Ni filler alloy
期刊论文
OAI收割
JOURNAL OF MANUFACTURING PROCESSES, 2020, 卷号: 50, 页码: 255-265
作者:
He, Yanming
;
Lu, Chuanyang
;
Ni, Chengyuan
;
Chen, Qingxia
;
Zheng, Wenjian
  |  
收藏
  |  
浏览/下载:43/0
  |  
提交时间:2021/02/02
Titanium alloy
Micro-alloying
Brazing
Microstructure
Mechanical properties
Integrated Analyses of PALSAR and Landsat Imagery Reveal More Agroforests in a Typical Agricultural Production Region, North China Plain
期刊论文
OAI收割
REMOTE SENSING, 2018, 卷号: 10, 期号: 9, 页码: 18
作者:
Yang, Zhiqi
;
Dong, Jinwei
;
Qin, Yuanwei
;
Ni, Wenjian
;
Zhao, Guosong
  |  
收藏
  |  
浏览/下载:21/0
  |  
提交时间:2019/05/23
forest mapping
agroforests
Landsat
PALSAR
North China Plain
Integrated Analyses of PALSAR and Landsat Imagery Reveal More Agroforests in a Typical Agricultural Production Region, North China Plain
期刊论文
OAI收割
REMOTE SENSING, 2018, 卷号: 10, 期号: 9, 页码: 18
作者:
Yang, Zhiqi
;
Dong, Jinwei
;
Qin, Yuanwei
;
Ni, Wenjian
;
Zhao, Guosong
  |  
收藏
  |  
浏览/下载:15/0
  |  
提交时间:2019/05/23
forest mapping
agroforests
Landsat
PALSAR
North China Plain
National Forest Aboveground Biomass Mapping from ICESat/GLAS Data and MODIS Imagery in China
期刊论文
OAI收割
REMOTE SENSING, 2015, 卷号: 7, 期号: 5, 页码: 5849-5878
作者:
Chi, Hong
;
Sun, Guoqing
;
Huang, Jinliang
;
Guo, Zhifeng
;
Ni, Wenjian
收藏
  |  
浏览/下载:37/0
  |  
提交时间:2016/04/20
Characterization of ASTER GDEM elevation data over vegetated area compared with lidar data
期刊论文
OAI收割
INTERNATIONAL JOURNAL OF DIGITAL EARTH, 2015, 卷号: 8, 期号: 3, 页码: 1520-1535
作者:
Ni, Wenjian
;
Sun, Guoqing
;
Ranson, Kenneth J.
收藏
  |  
浏览/下载:19/0
  |  
提交时间:2016/04/20
stereo-mapping
NED
photogrammetry
ASTER GDEM
vegetation canopy height
Extraction of ground surface elevation from ZY-3 winter stereo imagery over deciduous forested areas
期刊论文
OAI收割
REMOTE SENSING OF ENVIRONMENT, 2015, 卷号: 159, 页码: 133-142
作者:
Ni, Wenjian
;
Sun, Guoqing
;
Ranson, Kenneth Jon
;
Pang, Yong
;
Zhang, Zhiyu
收藏
  |  
浏览/下载:16/0
  |  
提交时间:2016/04/20
Dense deciduous forest
Forest height
Ground surface elevation
Stereo imagery
ZY-3
Photogrammetry
Sensitivity of Multi-Source SAR Backscatter to Changes in Forest Aboveground Biomass
期刊论文
OAI收割
REMOTE SENSING, 2015, 卷号: 7, 期号: 8, 页码: 1871-1881
作者:
Huang, Wenli
;
Sun, Guoqing
;
Ni, Wenjian
;
Zhang, Zhiyu
;
Dubayah, Ralph
收藏
  |  
浏览/下载:20/0
  |  
提交时间:2016/04/20
Model-Based Analysis of the Influence of Forest Structures on the Scattering Phase Center at L-Band
期刊论文
OAI收割
Ieee Transactions on Geoscience and Remote Sensing, 2014, 卷号: 52, 期号: 7, 页码: 3937-3946
Ni, Wenjian
;
Sun, Guoqing
;
Ranson, Kenneth Jon
;
Zhang, Zhiyu
;
He, Yating
;
Huang, Wenli
;
Guo, Zhifeng
收藏
  |  
浏览/下载:29/0
  |  
提交时间:2014/12/07