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我一直在通过VISA-USB使用两个DSOX3024T示波器,我正在尝试使用matlab捕获数据。
我想通过使用SINGLE外部触发器捕获所有8条迹线的数据。 但是,除非我允许多次触发作用域(每个跟踪一次),否则它们(作用域)不会显示数据并且作用域会冻结。 目前,我正在使用所需的外部触发器,然后切换到内部触发器,只是为了允许代码循环并在屏幕上显示数据以便捕获它。 有没有办法只使用一个外部触发器显示屏幕上所有迹线的数据? 它与GPIB一起运行良好,但我似乎无法通过VISA-USB接口获得它。 先谢谢你! 以上来自于谷歌翻译 以下为原文 I've been working with two DSOX3024T scopes via VISA-USB and I'm trying to capture data using MATLAB. I want to capture data from all 8 traces by using a SINGLE external trigger. However, unless I allow for the scopes to be triggered multiple times(once for each trace), they (the scopes) do not display the data and the scopes freeze up. Currently, I'm using the desired external trigger and then switching to an internal one just to allow for the code to cycle through and display the data on the screen for it to be captured. Is there a way to display the data from all the traces on the screen using only a single external trigger? It worked fine with GPIB but I can't seem to get it with the VISA-USB interface. Thank you in advance! |
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目前还不清楚你在做什么,但这里有一些技巧可能会有所帮助: - 如果你使用的是Aux Trigger,请不要使用分离器来提供两个示波器。
将触发器送入一个示波器,然后使用Aux Out触发第二个示波器。 会有延迟,但它会小于100纳秒,并且非常可重复。 如果必须使用拆分器,请确保在两个示波器上调整触发器级别。 您可能正在使用50欧姆驱动器,并且2个50欧姆输入将加载信号,并更改阈值。 - 确保您使用“触发”模式而不是触发器的“自动”模式 - 首先使一个示波器工作,然后将第二个示波器添加到您的程序中。 - 如果您使用的是Keysight IO Libs,请使用IO Monitor查看命令和响应的内容。 人 以上来自于谷歌翻译 以下为原文 It's very unclear as to what you are doing, but here are a few tips that might help: - If you are using the Aux Trigger, don't use a splitter to feed the two scopes. Feed the trigger to one scope, then use the Aux Out to trigger the second scope. There will e a delay, but it will be less than 100 nsec, and quite repeatable. If you must use a splitter, then make sure you adjust the trigger level, on both scopes. You may be using a 50 ohm driver, and 2 50 Ohm inputs will load the signal, and change the treshold. - Make sure that you are using 'Triggered' mode and not 'Auto' mode for the trigger - Get one scope working first, then add the second scope into your program. - If you are using the Keysight IO Libs, use the IO Monitor to see what the commands and responses are. Al |
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