- From: Daniel Nilsson <daniel_at_oden.homeip.net>
- Date: Thu, 3 Mar 2005 20:39:50 -0500
On Thu, Mar 03, 2005 at 10:26:27AM +0200, Tuomas Räsänen wrote: > Hi, > > Why not analog filtering? If your signal varies at under 1 Hz rate, as your > sampling frequency suggests, and you suspect tens of Hz noise, you can > easily cut that off by say, a 2nd order low-pass filter, which should be > fairly easy to make with operational amplifiers. Hardware filtering would work as well, the connection box used to hook up these signals doesn't support this today though but it could be added if needed. I thought digital filtering would be easier to change the charactersitics of in the long run. Thanks -- Daniel Nilsson
Received on 2005-03-04Z01:39:50