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浏览/检索结果: 共72条，第1-10条 帮助 条数/页： 5101520253035404550556065707580859095100 排序方式： 请选择题名升序题名降序提交时间升序提交时间降序作者升序作者降序发表日期升序发表日期降序 Assessment of gully influencing factors and susceptibility using remote sensing-based frequency ratio method in Sunshui River Basin, Southwest China 期刊论文  OAI收割 ENVIRONMENTAL MONITORING AND ASSESSMENT, 2024, 卷号: 196, 期号: 8, 页码: 19 作者:  Laraib, Sheikh;  Xiong, Donghong;  Zhao, Dongmei;  Shrestha, Buddhi Raj;  Liu, Lin   |  收藏  |  浏览/下载：7/0  |  提交时间：2024/08/19 Gully erosion  Spatial distribution  Influencing factors  Gully susceptibility  Frequency ratio   Multi-foci metalens based on all-dielectric metasurface with simultaneous amplitude and phase modulation 期刊论文  OAI收割 JOURNAL OF OPTICS, 2023, 卷号: 25, 期号: 11 作者:  Qin, Chong;  Fan, Wenhui;  Wu, Qi;  Jiang, Xiaoqiang;  Yan, Hui   |  收藏  |  浏览/下载：15/0  |  提交时间：2023/11/07 multi-foci metalens  linear-polarization-dependent  polarization-independent  dual-frequency  designable focusing intensity ratio   GIS-based landslide susceptibility mapping in the Longmen Mountain area (China) using three different machine learning algorithms and their comparison 期刊论文  OAI收割 ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH, 2023, 页码: 15 作者:  Huang, Ziyan;  Peng, Li;  Li, Sainan;  Liu, Ying;  Zhou, Shuang   |  收藏  |  浏览/下载：20/0  |  提交时间：2023/10/09 Landslide susceptibility assessment  Random forest model  Frequency ratio method  Support vector machine model  Longmen Mountain area   气候变化背景下中巴公路沿线流域潜在滑坡危险区评价及预测研究 期刊论文  OAI收割 灾害学, 2023, 卷号: 38, 期号: 1, 页码: 169-176 作者:  郑玲静;  李秀珍;  余文秀;  姚杰   |  收藏  |  浏览/下载：14/0  |  提交时间：2023/05/22 dangerous areas of landslide  climate change  frequency ratio  slope units  CMIP6  Karakoram Highway  滑坡危险区  气候变化  频率比  斜坡单元  CMIP6  中巴公路   Joint Design of Hybrid Beamforming and Reflection Coefficients in RIS-Aided mmWave MIMO Systems 期刊论文  OAI收割 IEEE TRANSACTIONS ON COMMUNICATIONS, 2022, 卷号: 70, 期号: 4, 页码: 2404-2416 作者:  Li, Renwang;  Guo, Bei;  Tao, Meixia;  Liu, Ya-Feng;  Yu, Wei   |  收藏  |  浏览/下载：52/0  |  提交时间：2022/06/21 Array signal processing  Signal to noise ratio  Interference  Millimeter wave communication  Radio frequency  Quality of service  Minimization  Reconfigurable intelligent surface (RIS)  mmWave  hybrid beamforming  sub-connected structure  manifold optimization   Asset selection based on high frequency Sharpe ratio 期刊论文  OAI收割 JOURNAL OF ECONOMETRICS, 2022, 卷号: 227, 期号: 1, 页码: 168-188 作者:  Wang, Christina Dan;  Chen, Zhao;  Lian, Yimin;  Chen, Min   |  收藏  |  浏览/下载：44/0  |  提交时间：2022/04/29 Asset selection  High frequency Sharpe ratio  Ultrahigh dimensional  Serial correlation  Sure screening property   Research on the enhancement of signal-to-noise ratio by radio frequency white noise in compact dense-pattern multipass cell for trace gas detection 期刊论文  OAI收割 MICROWAVE AND OPTICAL TECHNOLOGY LETTERS, 2022 作者:  Tian, Xing;  Cheng, Gang;  Chen, Jiajin;  Liu, Kun   |  收藏  |  浏览/下载：54/0  |  提交时间：2022/03/21 minimum detectable concentration  optical interference  radio frequency bandwidth-limited white noise  signal-to-noise ratio   Greater soil microbial biomass loss at low frequency of N addition in an Inner Mongolia grassland 期刊论文  OAI收割 JOURNAL OF PLANT ECOLOGY, 2022, 卷号: 15, 期号: 4, 页码: 721-732 作者:  Ning, Qiushi;  Jiang, Liangchao;  Wang, Ruzhen;  Wang, Jing;  Han, Xingguo   |  收藏  |  浏览/下载：11/0  |  提交时间：2024/03/07 nitrogen addition frequency  temperate grasslands  nutrient imbalance  fungi to bacteria ratio  plant-microbe interaction  belowground net primary production  Shannon-Weiner diversity index   Applying Bayesian Belief Networks to Assess Alpine Grassland Degradation Risks: A Case Study in Northwest Sichuan, China 期刊论文  OAI收割 FRONTIERS IN PLANT SCIENCE, 2021, 卷号: 12, 页码: 16 作者:  Zhou, Shuang;  Peng, Li   |  收藏  |  浏览/下载：61/0  |  提交时间：2022/01/14 Bayesian belief networks  alpine grassland degradation  frequency ratio model  NDVI  risk assessment   Optimized landslide susceptibility mapping and modelling using PS-InSAR technique: a case study of Chitral valley, Northern Pakistan 期刊论文  OAI收割 GEOCARTO INTERNATIONAL, 2021, 页码: 22 作者:  Hussain, Sajid;  Sun Hongxing;  Ali, Muhammad;  Sajjad, Meer Muhammad;  Afzal, Zeeshan   |  收藏  |  浏览/下载：75/0  |  提交时间：2021/07/09 Chitral valley  frequency ratio  logistic regression  PS-InSAR  ROC