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Data Acquisition System for Eddy Current Testing Based on DSP and MCU
Author(s): 
Pages: 33-36
Year: Issue:  8
Journal: MEASUREMENT & CONTROL TECHNOLOGY

Keyword:  涡流检测数据采集数字信号处理器单片机;
Abstract: 针对裂纹涡流检测中数据采集量大、实时性要求高的特点,设计了一种基于DSP和单片机双CPU架构的数据采集系统.DSP负责数据采集、数字滤波与温度补偿等算法的实现,单片机负责菜单操作、人机与通信接口的管理,并采用双口RAM进行双CPU间的数据共享.处理后的数据通过单片机与上位机通信以实现数据的离线分析.该系统充分发挥了DSP运算能力强和单片机接口管理能力强的优点,在涡流检测领域中具有较好的应用前景.
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