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首页> 外文会议>International conference on electrical, control computer engineering >Sensitivity Maps Preparation for Electrical Capacitance Tomography Using Finite Element Approach
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Sensitivity Maps Preparation for Electrical Capacitance Tomography Using Finite Element Approach

机译：电容层析成像使用有限元方法的灵敏度图制备

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Electrical Capacitance Tomography is part of Electrical Tomography which uses the concept of electric field distribution and it is widely used due to its advantages such as non-invasive, low-cost, high acquisition speed and relatively easy computation. The ECT system involves two computational problems in its mechanism which Forward Problem and Inverse Problem. The forward problem involves the computation of the potentials done at the voltage pick-up electrodes for a given set of current-carrying electrodes. This allows calculation for the distribution of the electrical voltage when the given with condition of known sensor structure and given permittivity distribution. The Forward Problem in this study refers to the sensitivity map which is later used for image reconstruction in the Inverse Problem image. This study explores sensitivity map generation and preparation which can be accomplished using the numerical method, for example, the Finite Element Method. Based on the simulated result, the sensitivity map for each projection shows different strength depending on the position and distance between the electrode pair.
机译：电容层析成像技术是电子层析成像技术的一部分，它使用电场分布的概念，并且由于其无创，低成本，高采集速度和相对容易的计算等优点而被广泛使用。 ECT系统在其机制中涉及两个计算问题，即正向问题和逆向问题。正向问题涉及给定一组载流电极在电压拾取电极处完成的电势的计算。当给定具有已知传感器结构的条件和给定介电常数分布时，这允许计算电压的分布。本研究中的正向问题是指灵敏度图，该灵敏度图后来用于逆问题图像中的图像重建。这项研究探索了灵敏度图的生成和准备，可以使用数值方法（例如，有限元方法）来完成。根据模拟结果，每个投影的灵敏度图根据电极对之间的位置和距离显示出不同的强度。

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