To find the first Summit for data channel
Hey guys,.
I need a little help. I wrote a script to process some data. Basically, what the script does is calculate the linear accelerations peak, peak of the angular speeds, HIC values and IF. But there is a problem with my script that I need help. In my script, I use the ChnPeakFind command to find the pics in my chains. This command works fine to find the peak value, but what I want to do is find the FIRST Summit in the data, without worrying whether or not it is a maximum. I always encountered data that varies in which my first pic (impact analysis) may or may not be the highest point in the channel. As you can see in the Graphs.png that I have attached, the ChnPeakFind command found the 2nd Summit (red circle #2) in my chain of angular velocity (ARS resulting). But what I report is the first peak value (red circle #1). I've also attached a screenshot of the section in my code where I calculate the angular velocity. The 'i' in the calculation is just the channel group number. In this case, it is 1. Anyone know how to change the code or have another suggestion how to find the first Summit in a channel without having to stop and go to the tab analysis to manually find the pic?
Thank you!
Hello
If it please see my littl below escript and let me know if this could work for you
Dim oChnResultant
Call Data.Root.Clear)
Call DataFileLoad ("E:\Customer_Examples\01_Head_Impact\Head Impact Data.tdm", "CT", "Load")
Set oChnResultant = data. Root.ActiveChannelGroup.Channels.Add ("Result", DataTypeChnFloat64)
Call ChnXYZAbsValue ("[1] / ARS X","[1] / ARS Y","[1] / ARS Z", oChnResultant)
"Use the filter twice to get rid of the jig
Call ChnSavitzkyGolayFilter (oChnResultant, oChnResultant, 1, 12)
Call ChnSavitzkyGolayFilter (oChnResultant, oChnResultant, 1, 12)
' Delete few maxima to the beginninf of the signal.
Calculate the call ("R = IIF (R)<>
'Research for first peak.
Call ChnPeakFind ("[1] / Time axis","[1]/Resultant","/PeakX","/PeakY",1,"Max.Peaks","Time")
Tags: NI Software
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SELECT * FROM me_result;
ID ||| ELITE ||||||||||| FREQ_ITEM | COMBINED_STR | SUP
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6 ||; 10; 2; 3; 4; 5; 8; 9. 1 ||||||||||||||; 10; 2; 3; 4; 5; 8; 9; 1 ||| 1
7 ||; 10; 2; 3; 4; 5; 8; 9. 2 ||||||||||||||; 10; 2; 3; 4; 5; 8; 9 ||| 2
8 ||; 10; 2; 3; 4; 5; 8; 9. 3 ||||||||||||||; 10; 2; 3; 4; 5; 8; 9 ||| 2
9 ||; 10; 2; 3; 4; 5; 8; 9. 4 ||||||||||||||; 10; 2; 3; 4; 5; 8; 9 ||| 2
10 ||; 10; 2; 3; 4; 5; 8; 9. 5 ||||||||||||||; 10; 2; 3; 4; 5; 8; 9 ||| 2
I need to find the first COMBINED_STR max for each element of the ELITE,
I mean, max value is the max REGEXP_COUNT (combined_str,' ;')))
really, I try to write down, but I had a lot of values for each ELITE and I need only the first, that
SELECT * from me_result
WHERE (ELITE, REGEXP_COUNT (combined_str,' ;')))) IN
(SELECT ELITE, MAX (REGEXP_COUNT (combined_str,' ;'))))) ME_RESULT ELITE GROUP);
I need the result to be as below.
1; 1; 10; 2; 3; 4; 5; 7; 8-1; 1; 10; 2; 3; 4; 5; 7; : p
6; 10; 2; 3; 4; 5; 8; 9 1; 10; 2; 3; 4; 5; 8; 9; 1 1
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Published by: user11309581 on July 10, 2011 22:03Can be
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Kind regards
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Hello
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994122 wrote:
Hello
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user634169 wrote:
... But, how to find the first day of the third quarter of the year next (from the current year) based on any date entry (i.e. sysdate)
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BEGINNER
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I hope this helps.
Kind regards
Joice
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