好的，电源组包括电动窗和电动锁，电功率表和电动天线。

Ok, the power package inclues power windows and locks, power meters and power antenna .

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针对电力保护设备的安全性和可信赖性指标要求，研究了基于多正交窗分析的功率谱估计算法，并从计算量的角度出发对算法进行了改进。

Aiming at the security and credibility requirement of power protection equipment, power spectrum estimate algorithm which based on multiple orthonormal tapers is researched and modified in this paper.

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本文对基于单位功率因数的谐波电流检测方法进行了改进，用移动窗积分法取代检测中常用的低通滤波器。

This paper improved the harmonic current detection method based on UPF (unity power factor), using the slipped window integral to replace the LPF (low pass filter).

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