示波器 触发
时间：10-02
整理：3721RD
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为什么用示波器测50M正弦信号 自动触发 需要连续触发几次才能抓到信号 这个跟什么用关系 谁明白 请讲
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I thinks it is meant that you don't know the amplitude and period of the signal. That also mean the oscilloscope need to adjust itself the right scale several times to display the right result.
Thank you. I have solved this problem. The reason is my carelessness.