This paper gives a brief description of the bandwidth characteristic and sampling rate of digital oscilloscope, and analyses their impact on waveform test in practical application.

本文对数字示波器的带宽特性及取样速率进行了简要描述，并分析了其在实际应用中对波形测试的影响。

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In the digital oscilloscope signal equivalent sampling method, a sampling clock with two inverse ways is utilized for sampling, thereby effectively eliminating the phenomena of uplift and burr.

所述数字示波器信号等效采样方法利用两路相反的采样时钟进行采样，有效的消除了隆起现象和毛刺现象。

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