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中文摘要：
介绍一种基于PDA＆MCU构架的便携式α测量系统,以SOC单片机为主MCU,将钝化离子注入硅半导体探测器（PIPS）得到的α脉冲经电荷灵敏前置放大后传给信号调理电路,并将能谱数据以数据包的形式通过蓝牙通讯传给PDA上开发的α谱测量应用软件。该软件主要实现α放射性活度实时显示、α谱显示、自动寻峰、谱线加亮、峰面积计算、能量刻度、谱峰识别、核素识别等功能。该仪器具有轻便、功耗低、稳定性好、能量分辨率高,可脱离计算机进行数据显示与处理等特点,能够很好应用于现场应急α污染快速测量分析。
英文摘要：
It introduces a portable alpha measurement system based on the PDAMCU.The system employs a system-on-a-chip（SOC） single chip as the Micro-Control Unit（MCU）.A pulse obtained from PIPS is preamplifier using sensitive charge and transmitted to signal regulate circuit.Then energy spectrum data can be received by α spectrum software in PDA using Bluetooth communication.This software integrate functions such as real-time α activity display,α spectrum display,automatic peak search,peak area calculation,energy calibration,peak identification and nuclide recognition.This instrument has the characteristics like lightweight,low power consumption,good stability,high energy resolution,data displayed and processing without a computer.It can be used to quickly analysis α contamination on the spot.
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