介绍一种基于数字信号处理器(DSP)的激励器控制系统。该系统采用TMS320F240型DSP实现数据采集、数字滤波、信号处理、数模转换、信号检测与控制等功能,校正激励器中晶振输出载波的频率,以提高激励器输出的精确性和稳定性。该控制系统的有效性和可靠性已在实际应用中得到验证。
- Abstract:
- The paper introduces a control system of stimulator based on digital signal processor(DSP).As the system’s core,TMS320F240mainly finishes data sampling,digital filtering,signal processing,A/D conversion,signal detection and opera-tion,etc.,to adjust the frequency of the VCXO’s deferent carrier wave,and improve its accuracy and stability.The validity and reliability of the control system has been justified in practical application.
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