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浏览/检索结果: 共3条，第1-3条 帮助 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 GNSS-IR soil moisture inversion method based on GA-SVM [基于GA-SVM的GNSS-IR土壤湿度反演方法] 期刊论文 Beijing Hangkong Hangtian Daxue Xuebao/Journal of Beijing University of Aeronautics and Astronautics, 2019, 卷号: 45, 页码: 486-492 作者:  Sun, B.;  Liang, Y.;  Han, M.;  Yang, L.;  Jing, L. 收藏  |  浏览/下载：21/0  |  提交时间：2019/12/30 Backpropagation  Communication satellites  Genetic algorithms  Global positioning system  Interferometry  Learning algorithms  Machine learning  Particle swarm optimization (PSO)  Reflection  Reflectometers  Soil moisture  Back propagation neural networks  Coefficient of determination  Generalization performance  Global Navigation Satellite Systems  Maximum relative errors  Mean absolute percentage error  Reflectometry  Soil moisture measurement  Support vector machines   A Semi-Empirical SNR Model for Soil Moisture Retrieval Using GNSS SNR Data 期刊论文 REMOTE SENSING, 2018, 卷号: 10 作者:  Han, Mutian;  Zhu, Yunlong;  Yang, Dongkai;  Hong, Xuebao;  Song, Shuhui 收藏  |  浏览/下载：11/0  |  提交时间：2019/12/30 Global Navigation Satellite System Interferometry and Reflectometry (GNSS-IR)  soil moisture  semi-empirical Signal-to-Noise Ratio (SNR) model  quality of fit  reconstruction   The Impact of Inter-Modulation Components on Interferometric GNSS-Reflectometry 期刊论文 REMOTE SENSING, 2016, 卷号: 8 作者:  Li, Weiqiang;  Rius, Antonio;  Fabra, Fran;  Martín-Neira, Manuel;  Cardellach, Estel 收藏  |  浏览/下载：2/0  |  提交时间：2019/12/30 Global Navigation Satellite System Reflectometry (GNSS-R)  ocean altimetry  auto-correlation function (ACF)  passive reflectometry and interferometry system (PARIS)