Then based on the analysis of three current sampling methods, a bridge sampling method with low cost and easy implementation is adopted to obtain the current information.

其次，对三种电流采样方法进行分析，确定采用成本低、易于实现的桥臂电流采样方法获取定子电流信息。

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METHODS: the rationality of the current drug sampling test method was analyzed empirically according to the theory of sampling test.

方法依据抽样检验的原理，对我国现行药品抽样检验方法的合理性进行实证分析。

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It's discussed that the method of RMS and frequency measurements directly from the wavelet transform data associated with each sampling sine voltage (current) element pair containing harmonic.

讨论了对含谐波的正弦电压(电流)采样值直接进行小波变换计算基波、谐波电压(电流)的有效值及频率的方法。

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