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fft

Hi all.

i am using labview signal viewer to obtain a fft in real time.

i have attached a transcevier to the DAQ control, and have managed to get the....

the transcevier should ideally detect movement and display the range, e.g. if the transcevier is 50miles away from an aboject, i would like an fft signal to show a peak at 50m on the x-axis on the fft graph.

can this be done, i have managed to get an fft, but

1. i need to change the x axis form freq to range via a forumlae i have

2. i need to get the fft to show peaks at appropirate distances, and prefrably hold that value of the peak (save it somehow)

 

hope that makes sense

 

regards

 

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