摘要
本文在分析全光纤电流互感器工作原理和信号特性的基础上,提出了使用硬件同步采样技术和加窗插值FFT算法实现电流互感器的信号处理方法。仿真结果表明该设计方法精确高效,并在DSP+CPLD硬件平台上得到有效验证。
This paper analyzes a novel all fiber-optical current transducer system＇s working principle and features of signal in details. Based on it, a Current Transducer＇s signal-processing using hardware-synchronized sampling technology and interpolating windowed FFT algorithm is introduced, Simulation result demonstrates that the design approach is highly precise and effective. And it has been well validated using a hardware system based on DSP＋ CPLD.
出处
《电测与仪表》
北大核心
2007年第9期17-21,共5页
Electrical Measurement & Instrumentation
关键词
全光纤电流互感器
硬件同步采样
加窗插值FFT
all fiber-optical current transducer
hardware-synchronized sample
interpolatingwindowed FFT
