diff options
Diffstat (limited to 'chapter02')
| -rw-r--r-- | chapter02/content_ch02.tex (renamed from chapter02/content.tex) | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/chapter02/content.tex b/chapter02/content_ch02.tex index f22fc80..8a9ec88 100644 --- a/chapter02/content.tex +++ b/chapter02/content_ch02.tex @@ -1,5 +1,7 @@ \chapter{Signals and Systems} +\begin{refsection} + All signals considered in this chapter are \index{signal!deterministic signal} \textbf{deterministic}, i.e., its values are predictable at any time. Especially, the values can be calculated by a mathematical equation. In contrast, \emph{random} signals are not predictable. Its values are subject to a random process, which must be modelled stochastically. \index{signal!time-continuous} @@ -114,13 +116,13 @@ The phasor $\underline{X} \in \mathbb{C}$ is a complex number, which is mostly r \begin{figure}[H] \centering - \begin{tikzpicture}
+ \begin{tikzpicture} \draw[->] (-3.2,0) -- (3.2,0) node[below, align=left]{$\Re$}; \draw[->] (0,-3.2) -- (0,3.2) node[left, align=right]{$\Im$}; \draw[->, thick] (0, 0) -- (-40:3) node[right, align=left]{Complex phasor $\underline{X}$\\ (position at $t = 0$)}; \draw (0:1.5) arc(0:-40:1.5) node[midway, right, align=left]{Phase $\varphi_0$}; - \draw[->, dashed] (-50:1) arc(-50:30:1) node[right, align=left]{$\omega_0$};
+ \draw[->, dashed] (-50:1) arc(-50:30:1) node[right, align=left]{$\omega_0$}; \end{tikzpicture} \caption{Phasor in the complex plane} \label{fig:ch02:cmplxplane_phasor} @@ -449,3 +451,6 @@ The Fourier transform of the Dirac delta function is the frequency-independent c \subsection{Convolution} \subsection{Poles and Zeroes} + +\printbibliography[heading=subbibliography] +\end{refsection} |