JJF (浙)1157-2019
医用磁共振成像系统校准规范
Calibration Specification of MedicaI Magnetic Resonance Imaging (MRI)
2019-01-14 发布
2019-01-20 实施
目录
引言..................................1
1范围.................................2
2引用文件...............................2
3术语和计量单位............................2
4概述.................................3
5计量特性...............................3
5.1信噪比..............................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
5.6 层厚..............................4
5.7纵横比..............................4
5.8主磁场强度............................4
6校准条件...............................4
6.1环境条件.............................5
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
附录A校准原始记录（推荐）格式样式....................9
附录B校准证书内页（推荐）格式样式.....................11
附录C示值误差测量结果的不确定度评定示例..................12
附录D磁共振计量性能模体..........................16