Accelerometer -> DAQ -> Text file

[propagandrew]

Hi, I'm looking to write a simple spectrum analzyer to plot frequency distribution and calculate Grms from a vibration table. It's still just experimental at this point so I was wondering if I'd be able to just get a datafile from someone with accelerometer output and use that as input to the program for the time being. That way I could wait and make sure things are working well before purchasing a DAQ/accel. Thanks for any help!

[RIO-Todd]

One suggestion I have is that you use the waveform generation VIs to simulate an acceleromter signal. You can find these VIs within the Waveform>>Waveform Generation subpalette of the functions palette in the block diagram. Within this subpalette, there are also VIs that simulate noise. You could easily simulate a noisy, sine waveform from an accelerometer by adding the outputs of the Sine Waveform VI and the Uniform White Noise Waveform VI. I hope this helps.

Todd D.
Applications Engineer
National Instruments

[propagandrew]

Ah, that sounds like it should work. Thanks for the response.