phase-sensitive switch
... phase-sensitive rectifier 相敏检波器 phase-sensitive switch 相敏开关 phase-sequence component 相序分量 ...
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其线路简单易调整，而性能指标优于或至少不低于电流开关型相敏检波器。
The performances are at least no less than a current-switching PSD, and their circuits are rather simple and easy to adjust.
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