JJF（浙）1157-2019
医用磁共振成像系统校准规范
Calibration Specification of Medical MagneticResonance Imaging (MRI)
2019-01-20实施
2019-01-14 发布
目 录
引 言.........................................................1
3 术语和计量单位...........................................2
4 概述 ............................................3
5 计量特性...................................................3
5.2 图像均匀性................................................3
5.3 空间线性........................................4
5.4空间分辨力.....................................4
5.5 低对比分辨力.................................4
5.7 纵横比.....................................4
5.8 主磁场强度 ...................................4
6 校准条件........................................................4
6.2 测量标准及其他设备...............................................5
7 校准项目与校准方法..............................................5
7.1信噪比...............................................................5
7.2 图像均匀性.........................................5
7.3 空间线性...............................................5
7.4 空间分辨力....................................................6
7.5 低对比分辨力..................................................6
7.6 层厚.................................................6
7.7 纵横比................................................8
7.8 主磁场强度...............................8
8 校准结果表达.................................................9
9 复校时间间隔 ...................................................9