| 威达低磁场磁共振表面线圈的改进 |
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| 引用本文： | 郭江黔,黎小文.威达低磁场磁共振表面线圈的改进[J].中国医疗器械杂志,1998,22(2):95-97. |
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| 作者姓名： | 郭江黔 黎小文 |
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| 作者单位： | 广东威达医疗器械集团公司!515400 |
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| 摘 要： | 用壁厚为0．7mm的Φ6mm铜管取代了绕制线圈用的3000股丝包线，将威达公司低场磁共振成像系统表面线圈的工作频宽从50kHz降至30kHz、Q值从原来的60倍提高到136倍、图像信噪比由原来的12提高到23。
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| 关 键 词： | U型体线圈 射频脉冲 信噪比 调谐 |
Improvement of the surface coil of WEIDA low magnetic field imaging system |
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| Guo Jiangqian, Li Xiaowen.Improvement of the surface coil of WEIDA low magnetic field imaging system[J].Chinese Journal of Medical Instrumentation,1998,22(2):95-97. |
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| Authors: | Guo Jiangqian Li Xiaowen |
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| Institution: | Guang Dong WEIDA Medical Apparatus Group Corporation |
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| Abstract: | By Replacing Litg wire with copper tube (phi 6 mm, thickness 0.7 mm), we increase the WEIDA low magnetic field imaging system surface coil's signal to noise ratio from 12 to 23, quality factor from 60 to 136, and reduce bandwidth from 50 kHz to 30 kHz. |
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| Keywords: | U-Body coil Radio fequency pulse Signal to noise ratio Tuning |
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