pulse parameter, nimath

[angelmcdoggie]

Dear All,

I came across an NIMath(), GetPulseParameter( CNiVector &waveform,  PulseParameter &param).  I know how to handle a CNiVector type of data.  My problem

 lies with the PulseParameter structure.  It is strucure in  the CNiMath class.  Please show me a concrete example. 

I tried accessing the structure member and referred to c programming references  but did not work.  Now, I am lost.

Thanks,

a

[angelmcdoggie · Accepted solution]

I eventually figured it out after a colleague shed light on it.  Got braindead for a while   :manmad:.  Anyway, I am sharing the solution:

struct CNiMath::PulseParameters param;

CNiMath::GetPulseParameters(v, param);

Please refer to the excel plot for this 1Vpp data running at 250KS/s, 100Hz & 10K sample size.  The ffg table is the derived measurements from the GetPulseParameters().

The amplitude, top & base parameters are quite correct assuming that the unit is in Volt.  However,  I see that the polarity is different. 

The delay & width are both incorrect.  I expect the width to be @5ms.

It is also not clear if the measurements were based on 1 period or the whole data.  Moreovver, I doubled the sample size at 20K

and the measurements were different.  Why ?  Thanks!!!

Message Edited by angelmcdoggie on 10-10-2008 11:07 AM