03-09-2005 04:23 PM
03-09-2005 04:36 PM
03-09-2005 04:54 PM
03-09-2005 05:03 PM
03-11-2005 01:36 PM
11-04-2005 02:42 PM
Hi,
The new usb-9215A for windows is a usb20 device and is directly supported by max.
So it can be used with all max compatible software, also by vi-logger.
When using two usb-9215A modules and sourcing the same signals to the inputs, the returned signals doesn't seem to be synchronised. Clock shift.
The in my opinion best and simpliest filter for 100Hz data is the median filter.
11-04-2005 03:53 PM
I tested and have to change my opinion.
The "sample compression" express vi shows that the "mean" function is the best way to get the most precision out of this module.
With the mean function a signal range by short-circuit input is 0,000251754 volt.
With the median function a signal range by short-circuit input is 0,000318676 volt.
Using 10KHz sample rate and a reduction faktor of 100.
Cpu charge is 40%
01-05-2006 11:29 AM