CDAQ Sine Wave Analysis

[JWinstanley]

Hi 

I have a  CDAQ9178, with a 9229 4ch sigma delta analgoue card. 

I have two sine waves around 5V pk to pk at a frequency of 10hz. each waveform varies in cycle width and cycle ampltiude. 

I am recording 2 seconds of data, sampling at 10Khz. i want to be able to measure the following for each waveform and ouput the data into an array

- Cycle Postive width  (for each waveform)

- Cycle Negative width  (for each waveform)

- Postive Amplitude (for each waveform)

- Negative Amplitude (for each waveform)

Does any one have any information on how i can do this. Using the DAQMX vi all i get is an average. For the application i need it for 'average' will not work.

Thanks 

[CaravagGIO]

Hi JWinstanley,

what DAQmx vi are you talking about? If you have a waveform you can use some of vis from Signal Processing >> Waveform Measurement palette for analysis of the signal.

Best regards,

CaravagGIO