Example Tapped Delay Line
An example of a TDL with two internal taps is shown in
Fig.2.19. The total delay line length is 
samples, and the
internal taps are located at delays of 
and 
samples,
respectively. The output signal is a linear combination of the input
signal 
, the delay-line output 
, and the two tap
signals 
and 
.
The difference equation of the TDL in Fig.2.19 is, by inspection,
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Transposed Tapped Delay Line
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Interacting Physical Input
