The product is used for road light - district single - phase power supply and etc.

主要用于路灯以及小区 单相 供电等.

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A - user spectrum optimization scheme of the downlink broadcast channel in single - phase power - line environment is discussed.

讨论了在 单相 电力线条件下实现下行广播信道 多用户 频谱优化的方案,以及电力线多用户频谱优化问题的数学模型.

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However, when only single - phase power available, the rotating magnetic field must be produced using other means.

但是, 当供电系统为 单相 时, 则需要用其他的方法来产生旋转磁场.

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The article introduces the design of small single - phase power transformer, and enumerates the instance of designing.

本文建立了电源变压器以体积最小为优化目标的优化设计数学模型, 并对其优化方法给予了探讨和实例计算.

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