[1] Naoto H, Yasushi W, Tomohiko M, et al. Utilization of low-field MR scanners [J]. Magn Reson Med Sci, 2004, 3: 27-38.
[2] Chen C N, Hoult D I, Sank V J, et al. Quadrature detection coils-a further 2 improvement in sensitivity [J]. J Magn Reson, 1983, 54(2): 324-327.
[3] Valkama, Mikko, Renfors, Markku, et al. Advanced DSP for I/Q imbalance compensation in a low-IF receiver [J]. IEEE international conference on communications, 2000, 2(3): 768-772.
[4] Feng Linmin(冯利民). Quadrature head coil of open Mark2000 MRI system(Open Mark 2000磁共振成像系统的正交头线圈) [J]. Chinese J Med Instrum(中国医疗器械杂志), 1999, 23(6): 328-329.
[5] Birgit L S, William A E. Optimizing MRI signal-to-noise ratio for quadrature unmatched RF coils two preamplifiers are better than one [J]. Magn Reson Med Sci, 1996, 36: 104-110.
[6] Wang He(王鹤), Zhang Lei(张磊), Ning Rui-peng(宁瑞鹏), et al. A method for RF-field mapping based on Fourier transformation(基于傅立叶变换的射频场分布测量方法)\ [J\]. Chinese J Magn Reson(波谱学杂志), 2007, 24(4): 446-453.
[7] Mei Li-xue(梅立雪), Wang He(王鹤), Li Geng-ying(李鲠颖), et al. A two-channel surface coil for vertebral imaging on low-field MRI systems(低场MRI系统中2通道脊椎线圈的研制)\ [J\]. Chinese J Magn Reson(波谱学杂志), 2008, 25(1): 33-38.
|