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首页> 外文期刊>IEEE Geoscience and Remote Sensing Letters >Three-Dimensional Wideband Beamforming for Imaging Through a Single Wall
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Three-Dimensional Wideband Beamforming for Imaging Through a Single Wall

机译:通过单壁成像的三维宽带波束成形

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摘要

Through-the-wall imaging and urban sensing is an emerging area of research and development. The incorporation of the effects of signal propagation through wall material in producing an indoor image is important for reliable through-the-wall mission operations. We have previously analyzed wall effects, such as refraction and change in propagation speed, and designed a wideband beamformer for 2-D imaging using line arrays. In this letter, we extend the analysis to 3-D imaging via delay-and-sum beamforming in the presence of a single uniform wall. The third dimension provides valuable information on target heights that can be used for enhancing target discrimination/identification. Supporting simulation results are provided.
机译:穿墙成像和城市传感是研究和开发的新兴领域。在产生室内图像时,通过壁材料传播的信号传播的影响对于可靠的穿墙任务操作很重要。我们之前已经分析了壁效应,例如折射和传播速度的变化,并设计了用于使用线阵列进行二维成像的宽带波束形成器。在这封信中,我们将分析扩展到存在单个均匀壁时通过延迟和求和波束形成的3D成像。第三维提供了有关目标高度的有价值的信息,可用于增强目标的区分/识别。提供了支持的仿真结果。

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