| Simulation of g factor for size optimization and coupling in phased array coil design |
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| 引用本文： | SONG Xiaoyu,ZHANG Hongjie,WANG Le,BAO Shanglian,SUN Yanrong,ZU Donglin. Simulation of g factor for size optimization and coupling in phased array coil design[J]. 自然科学进展(英文版), 2006, 16(2): 120-124. DOI: 10.1080/10020070612331343202 |
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| 作者姓名： | SONG Xiaoyu ZHANG Hongjie WANG Le BAO Shanglian SUN Yanrong ZU Donglin |
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| 作者单位： | 1. Beijing Key Laboratory of Medical Physics & Engineering, Peking University, Beijing 100871, China; 2. Physics School, Peking University, Beijing 100871, China |
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| 摘 要： | The effect of geometric parameters of the coil element in an array on signal-to-noise ratio (SNR) and g factor of parallel imaging are analyzed, and the optimal parameters for the maximal SNR and minimal g factor are also given in this paper. In addition, the effects of coupling on SNR and g factor have been analyzed. The test results indicate that g factor for parallel imaging is greatly increased and SNR is decreased for coupling. According to the optimization, a six-channel parallel coil has been designed for torso imaging.
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| 关 键 词： | MRI phased array coil SENSE parallel imaging. |
Simulation of g factor for size optimization and coupling in phased array coil design |
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| SONG Xiaoyu,ZHANG Hongjie,WANG Le,BAO Shanglian,SUN Yanrong,ZU Donglin. Simulation of g factor for size optimization and coupling in phased array coil design[J]. Progress in Natural Science, 2006, 16(2): 120-124. DOI: 10.1080/10020070612331343202 |
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| Authors: | SONG Xiaoyu ZHANG Hongjie WANG Le BAO Shanglian SUN Yanrong ZU Donglin |
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| Affiliation: | Beijing Key Laboratory of Medical Physics & Engineering, Peking University, Beijing 100871, China;Physics School, Peking University, Beijing 100871, China |
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| Abstract: | The effect of geometric parameters of the coil element in an array on signal-to-noise ratio (SNR) and g factor of parallel imaging are analyzed, and the optimal parameters for the maximal SNR and minimal g factor are also given in this paper. In addition, the effects of coupling on SNR and g factor have been analyzed. The test results indicate that g factor for parallel imaging is greatly increased and SNR is decreased for coupling. According to the optimization, a six-channel parallel coil has been designed for torso imaging. |
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| Keywords: | MRI phased array coil SENSE parallel imaging |
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