基于双参考源的数字磁共振控制台相位相干技术 |
廖文姗,徐俊成,姚守权,李建奇,蒋瑜 |
Phase Coherence Technology of Digital MR Console Based on Dual Reference Sources |
Wen-shan LIAO,Jun-cheng XU,Shou-quan YAO,Jian-qi LI,Yu JIANG |
图10 切换发射机和接收机频率得到的正方形水膜的磁共振图像. 其中(a)、(b)、(c)、(d)所对应的发射机/接收机偏置频率分别为752.5 Hz/0 Hz、2 042.5 Hz/0 Hz、752.5 Hz/-3 409.09 Hz、2 042.5 Hz/-3 409.09 Hz |
Fig.10 Magnetic resonance images of a square water phantom obtained by switching the transmitter's and receiver's frequencies, in which the transmitter/receiver offset frequencies corresponding to (a), (b), (c) and (d) are 752.5 Hz/0 Hz, 2 042.5 Hz/0 Hz, 752.5 Hz/-3 409.09 Hz, and 2 042.5 Hz/-3 409.09 Hz |
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