Electromagnetic Imaging and Detection Technology Based on FPGA

Tianlin Gao, Mingxin Liu, Tengda Cao, Yingsong Li, Wei Xue
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Abstract

Magnetic Induction Tomography (MIT) is a process tomography based on the principle of electromagnetic induction. In this paper, a set of 8 coil electromagnetic tomography system with working frequency of 1MHz is designed based on the systematic review of the research status and shortcomings of electromagnetic tomography technology. On the basis of the completion of the system design, the iron balls of different numbers and positions are taken as experimental objects, and the two-dimensional image of the field 40×40 pixels is inversely established by using the back-projection method and the Tikhonov regularization method, and the imaging results are analyzed. Both algorithms can perform better image reconstruction on the detection area faster.
基于FPGA的电磁成像与检测技术
磁感应层析成像(MIT)是基于电磁感应原理的过程层析成像。本文在系统回顾电磁层析技术的研究现状和不足的基础上,设计了一套工作频率为1MHz的8圈电磁层析系统。在完成系统设计的基础上,以不同数量和位置的铁球为实验对象,利用反投影法和Tikhonov正则化法反演建立场40×40像素的二维图像,并对成像结果进行分析。两种算法都能在检测区域上更快地实现更好的图像重建。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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