Pierce Nichols wrote: > The second is a spurious peak resulting > from the frequency of the chugging exceeding half the sampling rate of the > A/D converter (i.e. undersampling). I like this one even less, b/c it is my > understanding that spurious results from undersampling appear only if you > interpolate the data or run it through a fourier transform. Dave W -- am I > wrong about that?
Yes, you are... signal components greater than half the sampling rate will produce spurious low-frequency "beat" signals in the sampled output, even before any further processing. -dave w _______________________________________________ ERPS-list mailing list [EMAIL PROTECTED] http://lists.erps.org/mailman/listinfo/erps-list
