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浏览/检索结果: 共3条，第1-3条 帮助 限定条件 发表日期：2018     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 Accounting for access costs in validation of soil maps: A comparison of design-based sampling strategies 期刊论文 GEODERMA, 2018, 卷号: 315, 页码: 160-169 作者:  Yang, Lin;  Brus, Dick J.;  Zhu, A-Xing;  Li, Xinming;  Shi, Jingjing 收藏  |  浏览/下载：34/0  |  提交时间：2019/05/30 Probability sampling  Sampling with probabilities-proportional-to-size  Stratified random sampling  Optimal stratification  Digital soil mapping  Mean squared error   Exploring the Sensitivity of Sampling Density in Digital Mapping of Soil Organic Carbon and Its Application in Soil Sampling 期刊论文 REMOTE SENSING, 2018, 卷号: 10, 期号: 6 作者:  Guo, Long;  Linderman, Marc;  Shi, Tiezhu;  Chen, Yiyun;  Duan, Lijun 收藏  |  浏览/下载：13/0  |  提交时间：2019/12/05 hyperspectral images  sensitivity  soil organic carbon  ratio of sampling efficiency to performance  soil sampling density  soil sampling methods   Exploring the sensitivity of sampling density in digital mapping of soil organic carbon and its application in soil sampling 期刊论文 Remote Sensing, 2018, 卷号: 10, 期号: 6 作者:  Guo, Long;  Linderman, Marc;  Shi, Tiezhu;  Chen, Yiyun;  Duan, Lijun 收藏  |  浏览/下载：2/0  |  提交时间：2019/12/05