用于出血性脑卒中诊断的微波脑部成像仿真
发布时间:2018-10-22 14:43
【摘要】:本文介绍了一种用于出血性脑卒中诊断的微波脑部成像仿真。首先利用DebyeⅡ公式对人体脑组织与血块的电磁特性进行研究,确定成像的微波频段。在此基础上进行电磁特性仿真的脑部模型构建,设计一款工作在1.7~4 GHz的超宽带Vivaldi天线用于微波信号发射与接收。Vivaldi天线围绕脑部模型旋转,发射并接收微波信号。采用对称位置消噪法消除接收信号的强背景噪声,利用共焦成像方法进行成像。从成像结果中能够清晰分辨出出血块的位置,位置误差达到1 cm以下。
[Abstract]:This paper presents a microwave brain imaging simulation for the diagnosis of hemorrhagic stroke. The electromagnetic properties of human brain tissue and blood clot were studied by Debye 鈪,
本文编号:2287457
[Abstract]:This paper presents a microwave brain imaging simulation for the diagnosis of hemorrhagic stroke. The electromagnetic properties of human brain tissue and blood clot were studied by Debye 鈪,
本文编号:2287457
本文链接:https://www.wllwen.com/yixuelunwen/shenjingyixue/2287457.html
最近更新
教材专著