Analysis of Waveshape and
Certain biomedical signals such as the ECG and carotid pulse have simple waveshapes
(although the QRS wave is often referred to as a "complex'"), The readily identifiable signatures of the ECG and carotid pu
Characterization of Signals
Many biomedical systems exhibit innate rhythms and periodicity that is more readily
expressed and appreciated in terms of frequency than time units. As a basic example,
consider cardiac function:
Processes and Systems
We have thus far concentrated on the processing and analysis of biomedical signals.
The signals were treated in their own right as conveyors of diagnostic information.
While it was emphasized t
1. Lathi BP. Signal Processing and Linear Systems.
Carmichael, CA, 1998.
2. Oppenheim AV, WHIsky AS, and Nawab SH. Signals and Systems. PrenticeHall, Englewood Cliffs, NJ, 2nd edition, 1997.
3. Papoulis A. Signal Analysis. M
Pattern Classification and
The final purpose of biomedical signal analysis is to classify a given signal into
one of a few known categories, and to arrive at a diagnostic decision regarding the
condition of the patient. A physician o
Filtering for Removal of
Most biomedical signals appear as weak signals in an environment that is teeming
with many other signals of various origins. Any signal other than that of interest could
be termed as an interference, artifact, or simpl