基于DSP的汽车转速及噪音测量仪设计

结合单片机AT89C51并采用浮点DSP芯片TMS320VC33技术，开发了一种既能测量汽车噪音又能实时给出汽车转速的新型测量仪器，其中DSP主要用于数据的计算而单片机用于人机接口和管理。文中主要介绍了仪器的硬件设计和总体软件策略。
  Design of New Instrument Based on DSP for MeasuringCar's Noise Combined with Rotating Speed
Cao Guangzhong，Ruan Shuangchen
(Shenzhen University，Shenzhen 518060,China)
Abstract：Based on DSP TMS320VC33 technique and monolithic processor AT89C51,a new instrument was developed for measuring car's noise combined with rotating speed in our laboratory.In this instrument,the DSP is mainly used to process the data and the monolithic processor is used for man-machine interface and management.The detailed hardware structure and overall software strategy are given.
Key Words：DSP;Rotating Speed Measurement;Noise Measurement