期刊文献+

电阻抗成像交叉测量协议的灵敏度性能 被引量:1

The Sensitivity Performance of Cross Voltage Measurement Protocol on EIT
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摘要 电阻抗重构图像技术对噪声敏感。测量数据中比较小的误差可能在最终图像上导致很大的误差。测量技术应提高对被测场域的灵敏度。在二维圆形均匀场域和相邻电流激励条件下,研究相邻和交叉测量协议的灵敏度性能。相比相邻测量协议,交叉测量协议提高整体灵敏度,同时也提高了中心区域的灵敏度比例值。交叉测量的合成灵敏度峰值是相邻测量的4.54倍。中心处相邻测量的灵敏度比例值是10.7%,交叉测量时为27.2%。实验结果表明交叉测量协议在灵敏度性能方面优于相邻测量协议。
出处 《中国生物医学工程学报》 CAS CSCD 北大核心 2009年第5期778-782,共5页 Chinese Journal of Biomedical Engineering
基金 国家高技术研究发展(863)计划重大项目(2006AA02Z4B7) 中俄国际合作项目(2007DFR30080)
关键词 电阻抗成像 相邻测量协议 交叉测量协议 灵敏度 激励 electrical impedance tomography adjacent measurement protocol cross measurement protocol sensitivity excitation
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参考文献10

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共引文献10

同被引文献9

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  • 9董秀珍,秦明新,刘锐岗,汤孟兴,史学涛,尤富生,付峰.影响生物电阻抗断层成像质量的因素[J].中国医学物理学杂志,2001,18(4):206-207. 被引量:9

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