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大家好,我从MSOX3014A示波器导出和导入波形时遇到问题。
这是我一直在做的基本程序,它给了我一些问题。 1)首先我在ArbExpress中设置一个简单的波形(例如一个简单的正弦波)。 2)我将该波馈入任意函数发生器(Tektronix AFG-3011),该函数发生器输入示波器。 3)波形+在示波器上显示完全精细+。 4)我带一个闪存驱动器,将其插入示波器并将波形数据以CSV格式存储到闪存驱动器中5)我将闪存驱动器带回我的PC并将波形加载到ArbExpress并将其输入AFG并 然后进入范围。 这是问题,*尽管数据直接来自示波器,当它被回读(未改变)时,产生的波形失真,乱码或者其他只是搞砸了。* AFG似乎记录了正确的幅度和频率, 但是示波器没有显示波形。 我已经搞砸了采样率和其他设置,但结果似乎没有变得更好。 奇怪的是,+我将CSV带入MS Excel并绘制了数据,它能够再现完美的正弦波+(就像在使用闪存驱动器之前最初输入示波器的那个)! 所以数据很好。 *如果文件是由示波器写的,为什么不能同时读回来?!* 以上来自于谷歌翻译 以下为原文 Hello All, I've got a problem with exporting and importing waveforms from my MSOX3014A oscilloscope. Here's the basic procedure I've been doing that has been giving me problems. 1) First I setup a simple waveform in ArbExpress (like a simple sine wave for instance). 2) I feed that wave into a arbitrary function generator (Tektronix AFG-3011) which feeds into my oscilloscope. 3) The waveform +shows up perfectly fine+ on the scope. 4) I take a flash drive, plug it into the scope and store the waveform data on to the flash drive in CSV form 5) I take the flash drive back to my PC and load the waveform into ArbExpress and feed it into the AFG and then into the scope. Here is the problem, *although the data came directly from the scope, when it is read back in (unaltered), the waveform produced is distorted, garbled or otherwise just messed up.* The AFG seems to register the right amplitude and frequency, but the oscilloscope isn't displaying the waveform. I've messed with sampling rates and other settings but the results don't seem to get any better. The strange thing is, +I took the CSV into MS Excel and plotted the data and it was able to reproduce a perfect sine wave+ (just like the one that was originally fed into the oscilloscope before the flash drive was used)!! So the data is good. *If the file was written by the oscilloscope, why can't it read it back just the same?!* |
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问题不在于范围无法读取自己的文件。
问题是ARB无法读取文件。 您需要打开ARB的手册,并验证它所期望的格式与作用域的编写方式相同。 您可能需要在文本编辑器中打开csv文件,而不是Excel,以查看实际格式的外观。 如果ARB可以保存csv文件,那么请执行此操作并并排查看2个文件。 有什么不同吗? 如果ARB生成正弦波,那么存储和加载的输出是什么样的? 我已多次从安捷伦示波器生成csv文件,并将它们加载到MATLAB中,没有任何问题。 人 以上来自于谷歌翻译 以下为原文 The problem is NOT that the scope can't read its own file. The problem is that the ARB can't read the file. You need to open the manual for the ARB, and verify that the format it expects is the same as what the scope is writing. You may need to open the csv file in a text editor, no Excel, to see what the actual format looks like. If the ARB can save a csv file, then do that and look at the 2 files side-by-side. What is different? If the ARB generates a sinewave, what does the stored and loaded output look like? I have generated csv files from Agilent scopes many times, and loaded them into MATLAB with no problems. Al |
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