CAJ | 학술논문

光纤式涡轮流量计是一种应用前景广阔的流量测量装置。文中在分析光电频率信号处理方法的基础上，采用了FFT频谱分析法在LabVIEW软件中开发了仿真测试平台，通过仿真分析，验证了该方法在频率测量应用中具有抗干扰性强和高精度等优点；并进一步搭建了流量模拟测试系统进行实验，通过软硬件的结合，实验验证了该流量测试系统能够达到0．5％以上的测试精度。
광섬식와륜류량계시일충응용전경엄활적류량측량장치。문중재분석광전빈솔신호처리방법적기출상，채용료FFT빈보분석법재LabVIEW연건중개발료방진측시평태，통과방진분석，험증료해방법재빈솔측량응용중구유항간우성강화고정도등우점；병진일보탑건료류량모의측시계통진행실험，통과연경건적결합，실험험증료해류량측시계통능구체도0．5％이상적측시정도。
Fiber turbine flowmeter has broad prospects in flow measurement .Based on the analysis of methods about photoe-lectric frequency signal processing , the FFT spectrum analysis method was adopted in this paper .And then, a simulation testing system was developed in the LabVIEW .The method was proved with strong anti-interference and high accuracy in frequency meas-urement by simulation analysis .Further , the flow experiment system was built by combining hardware and software .By means of experiment , it has been verified the accuracy of the flow measurement system can reach higher than 0.5%.