电压频率转换器在诊断X射线检测中的应用  

Application of Voltage-frequency Converter in the Diagnostic X-ray Measurement

作　　者：杨建[1] 方方[1] 

机构地区：[1]成都理工大学,四川成都610059

出　　处：《核电子学与探测技术》2012年第3期348-351,共4页Nuclear Electronics & Detection Technology

摘　　要：根据诊断X射线检测的设计要求,结合STM32单片机的特点,将电压频率转换器应用到诊断X射线检测系统中。分析了电压频率转换器的工作原理,给出了电压频率转换器电路设计及诊断X射线检测系统的硬件构成,并对检测系统的控制程序流程进行详细的说明。电压频率转换器具有设计简单、低成本、高精度、应用灵活等特点,适合于低速数据采集。For the Design requirements of diagnostic X - ray measurement, there apply voltage - frequency con- vector to the diagnostic X - ray measurement system combined with the characteristics of STM32 MCU. There analyzes working principle of voltage - frequency convector, gives the circuit design of the voltage - frequency converter and the hardware structure of diagnostic X - ray measurement, and describes the control program flow of the measurement system in detailed. With simple design, low cost, high accuracy, application flexibility and other characteristics, the voltage - frequency converter is suitable for low - speed data acquisition.

关 键 词：电压频率转换 诊断X射线 模数转换 计数器 

分 类 号：TN98[电子电信—信息与通信工程] TL818.9[核科学技术—核技术及应用]