手持式伽玛能谱仪数据存储方法研究  

Study of Hand-held Gamma Spectrometer Data Storage Method

作　　者：李跃忠[1] 刘迪仁[2] 管小明[1] 

机构地区：[1]东华理工大学信息与电子工程学院,江西344000 [2]北京信息职业技术学院电子工程系,北京100070

出　　处：《核电子学与探测技术》2010年第9期1220-1223,共4页Nuclear Electronics & Detection Technology

基　　金：江西省自然科学基金项目资助(2008GZS0043)

摘　　要：为了解决手持式伽玛能谱仪512条谱线数据的存储与管理,采用超低功耗微处理器MSP430F5438和M25P16接口构成能谱数据存储电路,并合理地分配了M25P16和MSP430F5438 Flash的存储功能。根据磁盘数据存储与管理方法,研究了能谱曲线数据的特征,定义和建立了谱线数据索引字段区。分析了M25P16的写和读时序,研究出能谱曲线数据存储和管理方法。通过编程、调试和实验,验证了上述研究的能谱"磁盘"数据存储管理方法可行,能谱数据写、读和擦除时间能够满足能谱仪操作需要;该方法大大减少了Flash的写入次数,延长了其使用寿命;该方法所使用的存储电路结构简单,功耗低。In order to meet the needs of data storage and management of 512 Spectrum curves of the hand-held gamma spectrometer,the spectrum data storage circuit is composed of ultra-low-power microprocessor MSP430F5438 and M25P16,and the M25P16 and MSP430F5438 Flash memory function has been reasonable distributed.According to the method of disk data storage and management,studying the characteristics of the energy spectrum curve data,spectrum data index field area is defined and established.Analyzing the M25P16 write and read timing,the method of spectrum curve data storage and management processes developed.Through programming,debugging and experiments,the research spectrum ＂disk＂ data storage and management approach is verified to be feasible,and spectrum data writing,reading and erasing time meets the operational needs of spectrometer,and the method greatly reduces the write Flash times and prolongs its service life,and the memory circuit used by the method has features of simple structure and low power consumption.

关 键 词：手持式伽玛能谱仪 能谱数据 MSP430F5438 “磁盘”数据存储管理 M25P16 

分 类 号：TL82[核科学技术—核技术及应用]