CAJ | 학술논문

目的：评价磁共振系统的时间稳定性，提高临床和科研工作结果的可靠性。方法结合已有的评价方法对磁共振系统进行时间稳定性评价，探讨SPM在评价时间稳定性方面的应用。结果得到了系统各轴向的具体偏移信息，分析评价该结果对时间稳定性的影响。结论本实验获取了各轴向的偏移量和旋转量，更为详细地显示系统的稳定性情况，可以用于指导临床和科研工作。
목적：평개자공진계통적시간은정성，제고림상화과연공작결과적가고성。방법결합이유적평개방법대자공진계통진행시간은정성평개，탐토SPM재평개시간은정성방면적응용。결과득도료계통각축향적구체편이신식，분석평개해결과대시간은정성적영향。결론본실험획취료각축향적편이량화선전량，경위상세지현시계통적은정성정황，가이용우지도림상화과연공작。
Objective To evaluate the time stability of MRI systems and improve the reliability of clinical and research results.Methods Combined with the existing evaluation methods for assessment of MRI time stability, to discuss the application of SPM in evaluating time stability.Results Obtained the excursion information of each axis and roller, and analyzed the effects of the excursion on the time stability of MRI systems.Conclusion The result of the study shows the time stability of the system in detail, including translation and rotation, which can be used to guide the clinical and scientiifc research.