The ADSL150 has a -3db bandwidth of 1kHz, so aliasing in the A to D is quite possible. As a matter of fact, this has been a topic of discussion on the RDAS list.
-Dave McCue On Mon, 18 Nov 2002, David Weinshenker wrote: > John Carmack wrote: > > Note that your A/D is probably sampling faster than the sensor bandwidth, > > which is usually 100hz or less for DC reading (non-vibration) > > accelerometers, so aliasing is not likely the problem. I would suspect > > flexing structure, unless you are using one of the really cheap unbalanced > > accelerometers, which might have internal vibration issues. > > Sampling system on the KISS flights was "RDAS" recording > altimeter/accelerometer, 200 Hz sample rate. Acceleration > was recorded by onboard ADXL150 accelerometer chip; I don't > have the data sheets for it here but I can look them up in > the next day or so. > > -dave w > _______________________________________________ > ERPS-list mailing list > [EMAIL PROTECTED] > http://lists.erps.org/mailman/listinfo/erps-list > _______________________________________________ ERPS-list mailing list [EMAIL PROTECTED] http://lists.erps.org/mailman/listinfo/erps-list
