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Spring-Driven Mass

To keep the model physical, let's use a pre-compressed spring as our force-source for driving the mass:

\begin{center}
\epsfig{file=eps/wallspringmass.eps,width=\textwidth } \\
Physical Diagram
\end{center}

\begin{center}
\epsfig{file=eps/wallspringmassec.eps,width=0.6\textwidth } \\
Equivalent Circuit
\end{center}

\begin{center}
\epsfig{file=eps/wallspringmasswdf.eps,width=0.6\textwidth } \\
WDF Diagram
\end{center}

Note the WDF symbol ``$ \vert\vert$ '' for a parallel adaptor (scattering junction)



Subsections
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``Wave Digital Filters'', by Stefan Bilbao and Julius O. Smith III, (From Lecture Overheads, Music 420).
Copyright © 2017-06-05 by Stefan Bilbao and Julius O. Smith III
Center for Computer Research in Music and Acoustics (CCRMA),   Stanford University
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