Re: appropriate filter



Dear Lynn,


 


Thanks for your time
and efforts. It is amazing that you can fit my curve with Lev-Mar Curve Fitting. However my goal is hysteresis loop and it is directly
dependent upon the smooth curve output of HP (applied magnetic field) as you can
see in the screen shot of HP (applied magnetic field), Keithley (Sample voltage)
and the result Hysteresis loop.


Is there
any way to eliminate the spikes because without eliminating the spikes, I could
not get good data.


I hope
the problem lies in the step voltage VI. There are three curve parts


0: 0 to
+10 V


1:+10
to -10 V


2:-10
to +10 V


 


I noticed
that the spikes appear between the 0 V ~- 2 V and -0.5 ~+0.5 respectively. Please
let me know .


HP & Keithley^the result.dot:
http://forums.ni.com/attachments/ni/170/277111/1/HP & Keithley^the result.dot
.



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