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Spectrogram remapping based imaging for spiral shaped frequency steerable acoustic transducers

机译:基于频谱图重新映射的螺旋形频率可控声换能器成像

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摘要

Guided Wave based Structural Health Monitoring greatly benefits from directional scanning. In contrast with conventional phased array approaches, the novel frequency-based beam steering concept and the associated signal processing presented in this work enable imaging of two-dimensional (2D) areas through the output of a single, dual-channel sensor.
机译:基于导波的结构健康监测大大受益于定向扫描。与传统的相控阵方法相比,本工作中提出的新颖的基于频率的波束控制概念和相关的信号处理可通过单个双通道传感器的输出对二维(2D)区域进行成像。

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