内容简介
JJF（冀）3011-2021移动式医用诊断X射线辐射源校准规范
Calibration Specification for Mobile Medical DiagnosticX-ray Radiation Source
2021-05-16 实施
2021-04-16 发布
目录
引言.................................................................................................................................................1
1 范围.............................................................................................................................................. 1
2 引用文件...................................................................................................................................... 1
3 术语和计量单位.......................................................................................................................... 2
3.1 术语............................................................................................................................................ 2
3.2 计量单位.................................................................................................................................... 3
4 概述.............................................................................................................................................. 3
5 计量特性...................................................................................................................................... 3
5.1 辐射输出的空气比释动能....................................................................................................... 3
5.2 辐射输出的重复性................................................................................................................... 3
5.3 辐射输出的质........................................................................................................................... 3
5.4 辐射输出的线性........................................................................................................................ 3
5.5 空间分辨力............................................................................................................................... 4
5.6 低对比度分辨力....................................................................................................................... 4
5.7 影像均匀性............................................................................................................................... 4
5.8 光野与照射野一致性................................................................................................................ 4
5.9 有效焦点尺寸............................................................................................................................ 4
5.10 X射线管电压........................................................................................................................... 4
5.11 泄露辐射................................................................................................................................. 4
6 校准条件...................................................................................................................................... 4
6.1 环境条件.................................................................................................................................... 4
6.2 测量标准及其他测量设备....................................................................................................... 4
7 校准项目和校准方法................................................................................................................... 5
7.1 外观和标识............................................................................................................................... 5
7.2 校准项目................................................................................................................................... 5
7.3 校准结果的处理................................................................................................................... 10
7.4 复校时间................................................................................................................................. 10
附录A..............................................................................................................................................11
附录B............................................................................................................................................. 12
附录C............................................................................................................................................. 13
附录D............................................................................................................................................. 14