针对精密电子设备中所要求的高电压、低电流的小功率电源系统，设计制作了一种高压开关电源。
In order to satisfying the requirement of precision electronic systems for power supply systems, a high-voltage switching power supply was designed and fabricated.
本文提出了一种实用可靠、经济简单的低场核磁共振系统的脉冲功率激励源设计方案。
Design of a pulsed power source in the low field nuclear magnet resonance (NMR) system with the advantages of practicality, reliability, economy and simplicity is proposed in this paper.
最后，文章给出了传统大功率HAPF系统有源部分及低容性无功倒送的新型HAPF系统的实验验证，证明了文章的相关设计的正确性。
Finally, Experimental validation of the active part of the high power HAPF system and the new hybrid active filter technology is given, verifying the correctness of the related design in this paper.
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