Dynamic Signal Acquisition

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visualizacion de armonicos

buenos dias tengan todos los del foro
 
mi inquietud es la siguiente, tengo que hacer un trabajo en el cual necesito visualizar los armonicos de la red trifasica y no se por donde empezar ni el hardware que debo hacer o comprar si es que la national instruments lo tiene para la adquisicion de la señal,
 
el trabajo consta de visualizar los armonicos hasta el tercero, el procesameinto de la señal no le entiendo muy bien en labview si pueden ayudarme los agradezco.
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Hi Fernando,
 
First of all an advice: try to write in english, in this way you will have a lot more persons that could help you.
 
Now related to your question, can you give more details of the application? if you are looking for which NI Hardware is for you the best choice, you should tell us the characteristics of the signals to be acquired (exampe: 3 voltage signals, range +-5V).
 
Regarding the analysis of the signals, once you do the acquisition (the A/D conversion) you can build a simple post-processing VI to calculate the frequency spectrum and see the harmonics. You can also implement this processing in the same acquisition VI in order to see the harmonics during the acquisition procedure.
 
Best regards,
CJMV
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