Paper V: Polyphase Signal Calculus

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1 \begin{tikzpicture}[x=1cm,y=1cm,>=Latex,font=\sffamily\small,line cap=round,line join=round]
2 \node[] at (6.30000,4.60000) {$h=(1,2,-1,1),\qquad D:\ u[n]\mapsto u[n-1]$};
3 \node[anchor=east] at (1.80000,3.10000) {output 0};
4 \draw[fill=black!0,draw=black!40,line width=.35pt] (2.20000,2.55000) rectangle ++(4.10000,1.05000);
5 \node[] at (4.25000,3.07500) {$1 - D$};
6 \draw[fill=black!14,draw=black!40,line width=.35pt] (6.30000,2.55000) rectangle ++(4.10000,1.05000);
7 \node[] at (8.35000,3.07500) {$D^{2} + 2 D$};
8 \node[anchor=east] at (1.80000,1.85000) {output 1};
9 \draw[fill=black!14,draw=black!40,line width=.35pt] (2.20000,1.30000) rectangle ++(4.10000,1.05000);
10 \node[] at (4.25000,1.82500) {$D + 2$};
11 \draw[fill=black!0,draw=black!40,line width=.35pt] (6.30000,1.30000) rectangle ++(4.10000,1.05000);
12 \node[] at (8.35000,1.82500) {$1 - D$};
13 \node[] at (4.25000,3.95000) {input 0};
14 \node[] at (8.35000,3.95000) {input 1};
15 \node[] at (6.40000,0.15000) {$y_0=(1-D)x_0+(2D+D^2)x_1$};
16 \end{tikzpicture}

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