【作者】 丁卫撑；

【导师】 周蓉生；

【作者基本信息】 成都理工大学 ， 核技术及应用， 2005， 硕士

【摘要】 众所周知,氡已经成为热点话题。尤其是氡及其子体对人类健康造成的影响,已经引起广泛关注。氡气及其子体的测量是一个涉及核技术、电子技术、计算机技术、地球科学和环境科学等多学科领域的复杂问题。 论文从氡气及其子体的能谱测量入手,瞄准国内外测氡仪的发展趋势,结合现场工作的特点,针对目前氡气测量向能谱测量发展的趋势,在几项关键技术如多道脉冲幅度分析器,仪器的单片微机化等方面进行了较为系统的研究。 论文对本人所研制的基于单片微机的氡及其子体α能谱数据采集系统作了较为详尽的论述。该系统以片上系统微处理器C8051F124为控制处理核心,并配有320×240点阵图形液晶显示器,以及必要的人机交互按键及信息指示;系统采用充电电池供电,具备自动充电管理、主电/备电自动切换功能。系统采用按键输入,汉字人机对话,能自动显示和存储测量谱线,并自动完成α能谱数据处理工作;而且,系统可通过USB接口与PC机联机使用,扩大了数据处理、存储、测量结果输出等功能。环境测氡仪的软件系统主要采用C语言编写,充分利用C语言特点,方便进行数据处理。更多还原

【Abstract】 Relating to environment protection and health, the study on radon and its progeny is a hot topic in recent years. The measurement to radon and its progeny involved many fields in different kinds of subjects, such as nuclear technology, electronics, geoscience, environment science etc.The paper based on how to measure radon and its progeny energy spectrum. It aims at the trend of Radon Apparatus development, combines the characteristics of field working and focuses on the trend of a energy spectrum measurement; systematic researches are carried out on some key techniques such as the design of Multi-Channel Analyzer (MCA) and computerization of apparatus.The paper discusses about the a radial data collecting system of radon and its progeny which based on MCU (Micro-Control Units) designed by me in detail. The data collecting system adopted SOC(System Of Chip) MCU C8051F124 as controlling core, applied 320x240 matrix graphic LCD(Liquid Crystal Display) and some necessarily human-computer interface and information indication. At meantime the system can use battery that can be recharged for power supply. It has power manage and also can switch master power with slave power one another automatically. The system adopts Chinese character input by keyboard and interacts in Chinese characters by computer, and it can automatically display and store spectrum data and accomplish a energy spectrum data handling synchronously. Moreover, the system can communicate with other computers by the interface of USB(Universal Serial Bus), which can enlarge functions such as data manage, memory, output the result of measurement etc. The Radon Apparatus Software system is written by C Language. Using the virtues of C language fully, which is convenient for handling data.更多还原