ELECTROMAGNETIC TOMOGRAPHY (EMT): THEORETICAL ANALYSIS OF THE FORWARD PROBLEM

被引：1
|
作者：
熊汉亮
徐苓安
机构：
来源：
Applied Mathematics and Mechanics(English Edition) | 2000年 / 09期
关键词：
electrodynamics; multi_phase flows; tomography; sensor technique; electromagnetical measurement technique;
D O I：
暂无
中图分类号：
R814.4 [各种X线诊断];
学科分类号：
摘要：
Inductance_based electromagnetic tomography (EMT) is a novel industrial process tomographic technique. Exact expressions of the magnetic field distribution in a two_dimensional object space were derived by analytically solving the forward problem for a particular two_component flow. The physical mechanisms within the sensor and the detectability limits of the EMT technique were quantitatively analyzed. Direct mathematical expressions for the field sensitivity and the sensitivity maps were established. To a certain extent, mathematical and theoretical bases are given for quantitative design of the sensor, detectability analysis of the EMT technique and image reconstruction of two_component processes based on the linear back_projection algorithm.
引用
收藏
页码：1034 / 1044
页数：11
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