为了满足实时现场测量和能谱监测的需求,设计了一种便携式无线多道数据采集系统。系统可以完成小剂量能谱测量和多道分析,并采用WIFI通信的方式,结合Android操作系统平台实现对能谱测量数据的记录和处理。介绍了系统的设计方案,包括测量原理、硬件设计和软件设计。具体阐述了各个硬件单元的原理、功能和设计要点。最后进行了能谱测试和同类仪器比对实验,根据测量结果分析了该能谱测量系统的性能。系统样机的采集道数为64k,能量分辨率为3.81%。

This paper described the design of a portable spectrometer, which could accomplish the mission of dose-rate and energy spectra analysis. The spectrometer system achieved a man-machine conversation platform for energy spectra data recording and processing using wireless WIFI communication technology and Android operating system. Emphases were focused on the scheme, including measuring principles, hardware design and software design. The principles, functions and cruces of every unit were explained in detail. Finally, according to measuring result of energy spectrum detection and contrast experiment, the capability of the instrument was analyzed. This system had 64k channels. The resolution was 3.81%.