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浏览/检索结果: 共5条，第1-5条 帮助 限定条件 发表日期：2020     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 A Method for Improving the Detection Accuracy of the Spot Position of the Four-Quadrant Detector in a Free Space Optical Communication System 期刊论文 SENSORS, 2020, 卷号: 20, 期号: 24 作者:  Wang, Xuan;  Su, Xiuqin;  Liu, Guizhong;  Han, Junfeng;  Wang, Kaidi 收藏  |  浏览/下载：21/0  |  提交时间：2021/01/28 quadrant detectors  Gaussian spot  high background noise   Patterns and controls of vegetation productivity and precipitation-use efficiency across Eurasian grasslands 期刊论文 SCIENCE OF THE TOTAL ENVIRONMENT, 2020, 卷号: 741, 页码: 9 作者:  Zhang, Tianyou;  Yu, Guirui;  Chen, Zhi;  Hu, Zhongmin;  Jiao, Cuicui 收藏  |  浏览/下载：24/0  |  提交时间：2021/03/16 Aboveground net primary production  Precipitation-use ef ficiency  Climate change  Spatial pattern  Eurasian grasslands   Attribute parameter characterized the seasonal variation of gross primary productivity (alpha(GPP)): Spatiotemporal variation and influencing factors 期刊论文 AGRICULTURAL AND FOREST METEOROLOGY, 2020, 卷号: 280, 页码: 23 作者:  Zhang, Weikang;  Yu, Guirui;  Chen, Zhi;  Zhang, Leiming;  Wang, Qiufeng 收藏  |  浏览/下载：33/0  |  提交时间：2020/05/19 Annual gross primary productivity  Attribute parameter of seasonal dynamic  Maximum daily gross primary productivity  Mean daily gross primary productivity  Spatiotemporal variation   Attribute parameter characterized the seasonal variation of gross primary productivity (alpha(GPP)): Spatiotemporal variation and influencing factors 期刊论文 AGRICULTURAL AND FOREST METEOROLOGY, 2020, 卷号: 280 作者:  Zhang, Weikang;  Yu, Guirui;  Chen, Zhi;  Zhang, Leiming;  Wang, Qiufeng 收藏  |  浏览/下载：13/0  |  提交时间：2020/11/25 Annual gross primary productivity  Attribute parameter of seasonal dynamic  Maximum daily gross primary productivity  Mean daily gross primary productivity  Spatiotemporal variation   Attribute parameter characterized the seasonal variation of gross primary productivity (alpha(GPP)): Spatiotemporal variation and influencing factors 期刊论文 AGRICULTURAL AND FOREST METEOROLOGY, 2020, 卷号: 280 作者:  Zhang, Weikang;  Yu, Guirui;  Chen, Zhi;  Zhang, Leiming;  Wang, Qiufeng 收藏  |  浏览/下载：39/0  |  提交时间：2022/03/01 Annual gross primary productivity  Attribute parameter of seasonal dynamic  Maximum daily gross primary productivity  Mean daily gross primary productivity  Spatiotemporal variation