7 T时16元收发器阵列的建模与B1 - Shim分析。

International Conference on Electromagnetics in Advanced Applications : proceedings : ICEAA. International Conference on Electromagnetics in Advanced Applications Pub Date : 2019-09-01 Epub Date: 2019-10-24 DOI:10.1109/iceaa.2019.8879006

Xin Li, Haoda Gong, Jullie W Pan, Hoby P Hetherington, Joseph V Rispoli

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引用次数: 0

摘要

该工作检查了使用商用软件进行电磁建模和验证的工作流程，该软件用于工作在298 MHz的收发器阵列线圈，用于7 t的磁共振成像和光谱学。锥形，紧密配合的平行发射头阵列由两排组成，每排有八个环路线圈，并通过b1振荡传输两个不同的空间分布。研究了有限差分时域仿真设置和电路域联合仿真后处理的考虑因素，以及适合在线安全监测的虚拟观测点的生成。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Modelling and B1 Shim Analysis of 16-Element Transceiver Array at 7 T.

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Modelling and B1 Shim Analysis of 16-Element Transceiver Array at 7 T.

The work examines the workflow of using commercially available software for electromagnetic modelling and validation of a transceiver array coil operating at 298 MHz for magnetic resonance imaging and spectroscopy at 7 T. The coneshaped, tight-fit parallel transmit head array consists of two rows with eight loop coils per row and transmits two distinct spatial distributions by means of B ₁ shimming. Considerations for finite-difference time-domain simulation setup and post-processing with circuit-domain co-simulation are examined, as is the generation of virtual observation points suitable for online safety monitoring.

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International Conference on Electromagnetics in Advanced Applications : proceedings : ICEAA. International Conference on Electromagnetics in Advanced Applications

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