For AC power smart sensor, a power test method is proposed based on error LMS principle. Some key sample points are estimated linearly based on error LMS which are improved.
基于误差lms，提出了交流电力智能传感器的一种功率测试方法，在对关键采样点作基于误差lm S线性估计的基础上对该方法进行了改进。
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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