Graph Units in Labview

[Akaash_Dragon]

I had acquired a signal in time domain and used power spectrum to convert into frequency domain. How do I find out what are the units of the frequency axis( I mean is it default in Hz or kHz ).?

[RavensFan]

Generally it would be Hertz.  But it depends on what LabVIEW functions you used to get the FFT.  Some will give you Hz.  Others will be unit-less and just gives you a Bin Number.  In which case each bin's frequency interval will be reciprocal of the length of time you did the FFT on.

[altenbach]

Ravens gave you good advice. We are typically more interested in the diagram to see what kind of functions you are using, so next time attach your VI. What is the datatype of the input (waveform, dynamic, array). and what functions do you use (signal processing, express, etc.)

[Akaash_Dragon]

Yes, I have attached it here. How is it that I can find whether the result is in Hz or in terms of bin intervals. However I am unable to attach the lvm file from which I am reading the data. So instead the images of the input signals can be got from the original post. 

[Akaash_Dragon]

Also I don't know whether I should ask this here or post it in a new discussion forum.But since, I had asked it in a different discussion but didn't get the answer, so I am posting it here. So I have a signal in time domain and I want to find how much amplitude/power is there in each frequency. After that I want to calculate the peak frequency(the frequency which has the highest amplitude/power). I have tried different spectral functions but they seem to be giving different results. Can you help me with this?