乳腺专用PET连续采样电子学系统设计与性能测试  

Design and Performance of Continuous Sampling Module for Positron Emission Mammography

作　　者：帅磊[1,2] 丰宝桐[1,2] 胡婷婷[1] 李道武[1] 魏书军[1] 黄欢[1] 李可[1] 柴培[1,2] 李琳[1] 单保慈[1] 魏龙[1] 徐文贵[3] 

机构地区：[1]中国科学院高能物理研究所核分析技术重点实验室和高技术研发中心,北京100049 [2]中国科学院研究生院,北京100049 [3]天津医科大学附属肿瘤医院,天津300060

出　　处：《原子能科学技术》2011年第5期628-632,共5页Atomic Energy Science and Technology

基　　金：国家863计划资助项目(2006AA02Z4B0);国家自然科学基金资助项目(10775149;30872954);天津自然科学基金资助项目(08JCZDJC23700)

摘　　要：对乳腺专用PET进行了简单介绍,详细叙述了系统中连续采样电子学系统的设计和性能测试。该电子学采用子母板设计结构,包含了模数转换、时间数字转换和CAN控制等多个模块,具备对前端探测器模拟信号进行连续采样、处理和传输功能。实验表明,该系统能完全满足乳腺专用PET对连续采样的需求。该系统还有集成度高、通用性强、配置灵活等优点。Design and performance of data processing electronics（continuous sampling module,CSM） for positron emission mammography（PEM） was introduced.Sub-module of ADC and TDC was allocated on daughter board and mother board of CSM,respectively.There was also a CAN controller on mother board.Continuous sampling of front-end analog signals,data processing and transmission were implemented in the design.Evaluation and performance show that the CSM is fulfilled the requirement of high-rate data processing in our PEM.The high-integrated CSM can be configured flexibly and can be extended to other system easily.

关 键 词：乳腺专用正电子发射断层扫描仪 连续采样系统 电子学 

分 类 号：TL82[核科学技术—核技术及应用]