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首页> 外文期刊>IEEE Geoscience and Remote Sensing Letters >Investigation of Integrated Twin Corner Reflectors Designed for 3-D InSAR Applications
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Investigation of Integrated Twin Corner Reflectors Designed for 3-D InSAR Applications

机译：三维INSAR应用专为综合双角反射器的调查

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There are potentially dangerous areas where InSAR technology cannot be applied routinely in the absence of proper persistent or distributed scatterers. Here, we planned and investigated the use of truncated trihedral triangle corner reflectors (CRs) oriented to ascending and descending directions for Sentinel-1 orbit, which were mounted on the optimal concrete basement including an additional global navigation satellite system (GNSS) adapter. These integrated benchmarks were designed to produce a signal-to-clutter ratio of about 100 (i.e., 20 dB). The mechanical design allows optimal orientation of the reflectors and resistance against dynamic effects. We investigated 1:5 models of the CRs and integrated benchmarks in an anechoic chamber to estimate the effects of truncation and the interference of the twin reflectors. The main effect of the interference is the asymmetric monostatic radar cross section, which can be neglected. The integrated benchmarks were also investigated in two recent landslide areas in Hungary using Sentinel-1 single look complex (SLC) scenes, which confirmed that the preliminary requirements can be met.
机译：在没有适当的持久性或分布式散射体的情况下，存在潜在的危险区域，不能常规应用。在这里，我们计划和研究了定向截断的Trihedral三角形角反射器（CRS）的使用，该角反射器（CRS）定向为Sentinel-1轨道上升和下降方向，其安装在最佳混凝土地基上，包括另一个全球导航卫星系统（GNSS）适配器。这些集成基准设计用于产生约100（即20dB）的信号到杂波比。机械设计允许反射器的最佳取向和抗动态效果的抵抗。我们调查了1：5模型的CRS和一个化的CRS和集成基准，以估计截断的影响和双反射器的干扰。干扰的主要效果是不对称的单体雷达横截面，其可以被忽略。在匈牙利最近的两个Landslide地区使用Sentinel-1单眼复杂（SLC）场景，还调查了集成基准，证实可以满足初步要求。

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