Order Analysis - Retrieve "helidata"

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deltanabla
deltanabla 2020-9-12
评论： Walter Roberson 2022-2-6
Hi Folks,
How do I get access to the helidata in the corresponding example
https://ch.mathworks.com/help/signal/examples/order-analysis-of-a-vibration-signal.html?
Thanks
  2 个评论
Walter Roberson
Walter Roberson 2022-2-6
With respect to the link @Ivan Solodkov posted: "In this webinar, we create an App for order analysis of a vibration signal using MATLAB App Designer. "

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回答（1 个）

Star Strider
Star Strider 2020-9-12
Try this:
load helidata
It uses rpmfreqmap, introduced in R2015b, so if you have that or other functions it uses, you should also have that .mat file.
Using:
q = which('helidata.mat')
produces:
q =
'C:\Program Files\MATLAB\R2020a\toolbox\signal\signal\helidata.mat'
so that tells you where it is.
Consider loading it as:
hd = load('helidata.mat')
loading it into the ‘hd’ structure, so you know what it contains and can choose to load all or part of its contents into your workspace. (I have not loaded it or looked at it, so I have no idea.)
  2 个评论
deltanabla
deltanabla 2020-9-16
Ah... it looks like I need to download the R2020a version to get access to the file?
Thanks
Star Strider
Star Strider 2020-9-16
I am not certain when that was introduced, however it uses a function introduced in R2015b (as I noted above), so if you have that or a later version, you may have it. (I have R2020a, and I was able to find it.) Run the which call to see if you already have it.
My pleasure!

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