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Alternative TitleTheoretical analysis of soil freeze/thaw process on DDM waveform and multipath in order for GNSS-R/IR applications
吴学睿; 夏俊明; 白伟华; 张兴刚
Source Publication测绘学报
KeywordGNSS-R/IR 冻融地表 延迟多普勒图 多路径 双站全极化
Other AbstractIn order to extend the applications GNSS-R/IR(GNSS-reflectometry/interferometric reflectometry) remote sensing technique to soil freeze/thaw process detection, soil(frozen/thawn) mixing permittivity models are employed to calculate the soil permittivity. Bistatic full-polarization coherent scattering model and random roughness surface scattering model are used to calculate the coherent and non-coherent scattering, which result in the variations of GPS multipath observables and DDM(delay Doppler map) waveforms, respectively. When the soil freeze/thaw process occurs, theoretical simulations indicate that soil freeze/thaw process induce the abrupt permittivity changes and affect the obvious variations of GNSS-R/IR signals. In this way, theoretical fundamentals for soil freeze/thaw process detections are presented. © 2019, Surveying and Mapping Press. All right reserved.
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GB/T 7714
吴学睿,夏俊明,白伟华,等. GNSS-R/IR监测地表冻融状态对延迟多普勒波形和多路径数据影响分析[J]. 测绘学报,2019,48(8):1059-1066.
APA 吴学睿,夏俊明,白伟华,&张兴刚.(2019).GNSS-R/IR监测地表冻融状态对延迟多普勒波形和多路径数据影响分析.测绘学报,48(8),1059-1066.
MLA 吴学睿,et al."GNSS-R/IR监测地表冻融状态对延迟多普勒波形和多路径数据影响分析".测绘学报 48.8(2019):1059-1066.
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