Re: xy graph in polar coordinates

How can I set this up to correctly filter my analog input? 
 
The graph stuff is all set, the only problem is that my analog input jumps up and down just slightly but enough to make the pointer on the graph wiggle back and forth when it should stay constant reflecting a constant input angle.
 
I have it set up to do a moving average on the signal right now, but the problem with averaging is that when the input angle does change, the display graph lags in responding while the averaging catches up.
 
I think a low pass filter may be the way to go, but I get error warnings every time I try to change the current filter from a smoothing/averaging filter to a low pass.
 
Any suggestions?
 
Thanks,
Bryan
 
(version 7.1)


SyringeAngleMOD.vi:
http://forums.ni.com/attachments/ni/170/157626/1/SyringeAngleMOD.vi
.

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