The method measuring electrical parameters is based on ac sample technology, the FFT way is used in software design, so the design of circuit, the function and the accuracy is fully improved.
三相电测量采用交流采样技术，软件算法采用快速傅里叶变换fft，全面克服了以前的三相电参数测量方法普遍存在的实现电路复杂以及在功能和精度上的不足。
The method measuring electrical parameters is based on ac sample technology, the FFT way is used in software design, so the design of circuit, the function and the accuracy is fully improved.
三相电测量采用交流采样技术，软件算法采用快速傅里叶变换fft，全面克服了以前的三相电参数测量方法普遍存在的实现电路复杂以及在功能和精度上的不足。
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