Several dipole antenna models were proposed to modeling the near electromagnetic field of high-frequency switched mode power supplies (SMPS).

讨论了用于开关电源辐射建模的基本偶极子天线模型，给出了各模型电磁场的解析解。

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The conclusion has significance for designing a reliable switched mode power supplies.

文中的结论，对设计一个可靠的开关电源具有指导意义。

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The present invention further relates to switched mode power supplies, comprising such a piezoelectric transformer as part of a piezoelectric converter.

本发明还涉及一种开关电源，其包含这样的压电变压器作为压电转换器的一部分。

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Circuit boards are double-insulated to protect against power surges, and there are backup power supplies that can be switched out on the fly.

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