Paper V: Polyphase Signal Calculus

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1 \begin{tikzpicture}[x=1cm,y=1cm,>=Stealth,font=\sffamily\small]
2 \draw[->](0,0)--(8.5,0)node[right]{$u$};\draw[->](0,0)--(0,2.5);\node[anchor=west]at(0,3.5){boundary distance};\draw[teal,very thick](0,0)--(4,2)--(8,0);\draw[orange!85!black,very thick](0,2)--(4,0)--(8,2);\draw[dashed](0,1)--(8,1);\node[left]at(0,1){$1/4$};\node[left]at(0,2){$1/2$};\node[below]at(2,0){$1/4$};\node[below]at(4,0){$1/2$};\node[below]at(6,0){$3/4$};\node[below]at(8,0){$1$};\node[teal]at(2.1,2.7){integer grid};\node[orange!85!black]at(6.2,2.7){half-shifted grid};
3 \end{tikzpicture}

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