220 WM-OM-E Rev I
In low-pass filtering: The spectrum of a square signal
before (left top) and after (left bottom) enhanced resolution
processing. The result clearly illustrates how the filter
rejects high-frequency components from the signal. The
higher the bit enhancement, the lower the resulting
bandwidth.
To increase vertical resolution: In the example at left, the
lower ("inner") trace has been significantly enhanced by a
three-bit enhanced resolution function.
To reduce noise: The example at left shows enhanced
resolution of a noisy signal. The original trace (left top) has
been processed by a 2-bit enhanced resolution filter. The
result (left bottom) shows a "smooth" trace, where most of
the noise has been eliminated.
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