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Ionut_Fratiman

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  • Version
    LabVIEW 2018
  • Since
    2017

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  1. Hello, I'm new to LabView so please be gentle. I have a project on work in which I have to "merge" a number of signals. For this example I'll use 3, in order to be easier to understand: Signal 1 with a frequency of 100, a sample rate of 46k and a duration of 3 seconds (those are random numbers) Signal 2 with a frequency of 1000, same sample rate and a duration of 2 seconds Signal 3 with a frequency of 500, same sample rate and a duration of 5 seconds I need to create a new signal, signal 4, composed by signal 1 + signal 2 + signal 3. All 3 with different specifications. Basically signal 4 will have 3+2+5 seconds and every of those 3 seconds interval with the specific specifications (frequency, sample rate, duration)( i'll need to change the sample rate for signal 2 for example, also keep the signal 1 and 3 the same, or maybe to change the sample rate for signal 2 and 3. I started to break the "problem" in small pieces in order to learn and understand what I'm doing. So far I managed to put the 3 signals together and to obtain 3+2+5 seconds, but i don't know how to "play" signal 4 with different sample rates. What i'm trying now is to interpolate 2 arrays, i searched for more examples on the internet, in LabVIEW help and I don't get it how it should work with 2 arrays. I tried also to use the Threshold function. Can someone help me with an example on how to interpolate 2 arrays? Let's say Array 1 has the values: 1, 3, 5, 7, 9; And Array 2 has the values 1,2,4,6,7,8,9 ( i think it is possible to have arrays with different dimensions in the end). Thank you
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