磁共振序列同步执行的研究与实现  

Synchronous execution of magnetic resonance sequences and its implementation

作　　者：吴林 胡霞飞[1,2,3] 解玺洁 张双 张涛 WU Lin;HU Xiafei;XIE Xijie;ZHANG Shuang;ZHANG Tao(School of Life Science and Technology,University of Electronic Science and Technology of China,Chengdu 611731,China;Sichuan Key Laboratory of High-Field Magnetic Resonance Brain Imaging,University of Electronic Science and Technology of China,Chengdu 611731,China;Organization Department of Ziyun Autonomous County Committee,Anshun 550800,China;Healthcare Security Administration of Wulong District of Chongqing,Chongqing 408500,China;School of Artificial Intelligence,Neijiang Normal University,Neijiang 641112,China)

机构地区：[1]电子科技大学生命科学与技术学院,四川成都611731 [2]电子科技大学高场磁共振脑成像四川省重点实验室,四川成都611731 [3]贵州省安顺市紫云苗族布依族自治县委组织部,贵州安顺550800 [4]重庆市武隆区医疗保障局,重庆408500 [5]内江师范学院人工智能学院,四川内江641112

出　　处：《中国医学物理学杂志》2022年第11期1355-1359,共5页Chinese Journal of Medical Physics

基　　金：国家重点研发计划(2016YFC0100800,2016YFC0100802);四川省科技创新创业苗子工程重点项目(2022JDRC0134);四川省重点研发计划(重大专项)项目(2021YFSC0040);中国博士后科学基金面上项目(2020M683294);成都医学院四川应用心理学研究中心资助项目(CSXL-21103);乐山市科技局重点研究项目(22GZD058);内江师范学院科研团队项目(17TD03,2021TD02);内江市科技支撑计划(NJFH20-003)。

摘　　要：目的:提出一种保持磁共振谱仪射频发射单元和谱仪射频接收单元之间相位相干的实现方案。方法:基于美国National Instruments公司的高性能工控机平台,通过LabVIEW软件的图形化界面完成软件对硬件的控制。结果:除了评估成像图像的信噪比之外,还评估了扫描图像的对比度,这两项指标都满足磁共振成像需求。结论:从成像图像信噪比和对比度两方面验证了本研究设计的功能满足成像要求。Objective To propose an implementation scheme for maintaining the phase coherence between radiofrequency transmitter and radiofrequency receiver of magnetic resonance spectrometer.Methods Based on the high-performance industrial control computer platform of National Instruments,the hardware was controlled by software through the graphical interface of LabVIEW software.Results Both signal-to-noise ratio and contrast-to-noise ratio of the obtained image met the requirements for magnetic resonance imaging.Conclusion The function designed in the study is verified to satisfy the imaging requirements from the aspects of image signal-to-noise ratio and contrast-to-noise ratio.

关 键 词：磁共振 相位相干 LABVIEW 

分 类 号：R318[医药卫生—生物医学工程]