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首页> 外文期刊>IEEE Geoscience and Remote Sensing Letters >Remote Sensing of Snow Water Equivalent Using P-Band Coherent Reflection
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Remote Sensing of Snow Water Equivalent Using P-Band Coherent Reflection

机译:利用P波段相干反射遥感雪水当量

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摘要

A proof-of-concept experiment was carried out to demonstrate the feasibility of retrieving snow water equivalent (SWE) using P-band signals of opportunity. The fundamental observation is the change in the phase of the reflected waveforms as related to the change in SWE. Through theoretical modeling it was found that the change in SWE was approximately linearly dependent on the change in phase. This was verified by retrieving SWE data collected and processed from a tower-based experiment at Fraser, CO, USA. A linear regression was performed on measured phase and in situ SWE. The correlation was found to be 0.94 and root mean square deviation was found to be 7.5 mm.
机译:进行了概念验证实验,以证明使用P带机会信号检索雪水当量(SWE)的可行性。基本观察是与SWE的变化有关的反射波形的相位变化。通过理论建模发现,SWE的变化大致线性地取决于相位的变化。通过检索从美国科罗拉多州弗雷泽的塔式实验收集并处理的SWE数据,可以验证这一点。对测量的相位和原位SWE进行线性回归。发现相关性为0.94,发现均方根偏差为7.5mm。

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