是否可以选择在MSO X系列osc中折叠或混叠波形

我不确定，但听起来你想把波形变成一只眼睛，就像我的论坛图片一样。
2000X范围无法做到这一点，因为在捕获数据后需要进行相当多的处理。
您需要转到其中一个Infiniium系列示波器，例如DSO9104，以实现该功能。
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     以下为原文

  I'm not sure, but it sounds like you want to turn a waveform into an eye, much like my Forum picture. The 2000X scope can't do that, since it requires quite a bit of processing after the data is captured. You will need to go to one of the Infiniium series of scopes, like the DSO9104, for that capability.

Al

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总之，没有。
InfiniiVision-X示波器使用专有的采样率抖动算法来防止混叠（它将信号转换为宽带噪声，而不是某个错误频率的正弦波）。
除了4000X系列之外，您无法直接将其关闭。
但是，由于FFT需要等间隔采样，因此开启采样率抖动的FFT转向。
因此，启用FFT可以对信号进行别名，但是您无法直接控制采样率。
更改时间刻度会改变采样率，因此，如果您碰巧达到了您喜欢的采样率，那么您就可以了，否则，不会。
免责声明：为了获得更可靠的响应，您应该考虑致电当地的安捷伦技术呼叫中心。
安捷伦论坛在“可用”的基础上进行监控，并不一定是解决技术问题的最快方式。



     以下为原文

  In a word, no.

The InfiniiVision-X scopes use a proprietary sampling rate dithering algorithm to prevent aliasing (it turns the signal into wideband noise, as opposed to a sine wave at some wrong frequency).  You cannot directly turn it off except on the 4000X series. however, since FFTs require equally spaced samples, turning on FFT turns of the sampling rate dither.  So turning on FFT allows you to alias the signal, but you do not have direct control over the sampling rate.  Changing the time scale changes the sampling rate, so, if you happen to hit a sampling rate you like, then you are ok, otherwise, no.

Disclaimer: For more reliable response, you should consider calling your local Agilent Technical Call Center. The Agilent Forums are monitored on an "as available" basis, and aren't necessarily the fastest way to get technical questions answered.