So how to reduce the error caused by sampling synchronous deviation has already been studied by numerous scholars.

因此如何减小因同步偏差而引起的测量误差成了众多学者关注的焦点。

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Frequency tracking means that sampling intervals of following sampling is updated according to new frequency estimation, so synchronous sampling error will be reduce step by step.

频率跟踪就是依据前一次频率估计修改下一次采样的采样间隔，从而使同步偏差越来越小。

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By establishing the mixed synchronous and asynchronous sampling arithmetic, the power measurement error expressions were deduced.

建立了混合同步采样、非同步采样中两种算法的数学模型，推导了功率测量误差的一般表达式。

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