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1.5. Signal Analysis
Fig. 1.8. The cosine and sine elementary signals, with Gaussian envelope.
the output signal-to-noise ratio, and will eventually lead to matched filtering,
while optimum signal recovery can be obtained by minimizing the mean-
square error, which will lead to the Wiener-Hopf solution. We discuss some of
these issues in the following subsection.
f(t
DISCONTINUITY
IN DERIVATIVE
DISCONTINUITY
0
Fig. 1.9. Typical example of a band-limited signal.
