简述了MD 1721型矢量示波器的工作原理和自检方法，微分增益失真dg和微分相位失真dp的测量方法。
This article simply introduces the work principles self-checking methods differential gain distortion DG differential phasic distortion DP of MD1721 Model Vector Oscollograph.
简述了MD 1721型矢量示波器的工作原理和自检方法，微分增益失真dg和微分相位失真dp的测量方法。
This article simply introduces the work principles self-checking methods differential gain distortion DG differential phasic distortion DP of MD1721 Model Vector Oscollograph.
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