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.gitignore

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+Font/
+*.vsdx
+*.log
+*.lof
+*.aux
+*.out
+*.gz
+*.toc
+*.psd

.vscode/settings.json

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+{
+    "latex-workshop.latex.autoBuild.run": "never",
+    "latex-workshop.showContextMenu": true,
+    "latex-workshop.intellisense.package.enabled": true,
+    "latex-workshop.message.error.show": true,
+    "latex-workshop.message.warning.show": false,
+    "latex-workshop.latex.tools": [
+        {
+            "name": "xelatex",
+            "command": "xelatex",
+            "args": [
+                "-synctex=1",
+                "-interaction=nonstopmode",
+                "-file-line-error",
+                "%DOCFILE%"
+            ]
+        },
+        {
+            "name": "pdflatex",
+            "command": "pdflatex",
+            "args": [
+                "-synctex=1",
+                "-interaction=nonstopmode",
+                "-file-line-error",
+                "%DOCFILE%"
+            ]
+        },
+        {
+            "name": "latexmk",
+            "command": "latexmk",
+            "args": [
+                "-synctex=1",
+                "-interaction=nonstopmode",
+                "-file-line-error",
+                "-pdf",
+                "-outdir=%OUTDIR%",
+                "%DOCFILE%"
+            ]
+        },
+        {
+            "name": "bibtex",
+            "command": "bibtex",
+            "args": [
+                "%DOCFILE%"
+            ]
+        }
+    ],
+    "latex-workshop.latex.recipes": [
+        {
+            "name": "XeLaTeX",
+            "tools": [
+                "xelatex"
+            ]
+        },
+        {
+            "name": "PDFLaTeX",
+            "tools": [
+                "pdflatex"
+            ]
+        },
+        {
+            "name": "BibTeX",
+            "tools": [
+                "bibtex"
+            ]
+        },
+        {
+            "name": "LaTeXmk",
+            "tools": [
+                "latexmk"
+            ]
+        },
+        {
+            "name": "xelatex -> bibtex -> xelatex*2",
+            "tools": [
+                "xelatex",
+                "bibtex",
+                "xelatex",
+                "xelatex"
+            ]
+        },
+        {
+            "name": "pdflatex -> bibtex -> pdflatex*2",
+            "tools": [
+                "pdflatex",
+                "bibtex",
+                "pdflatex",
+                "pdflatex"
+            ]
+        },
+    ],
+    "latex-workshop.latex.clean.fileTypes": [
+        "*.aux",
+        "*.bbl",
+        "*.blg",
+        "*.idx",
+        "*.ind",
+        "*.lof",
+        "*.lot",
+        "*.out",
+        "*.toc",
+        "*.acn",
+        "*.acr",
+        "*.alg",
+        "*.glg",
+        "*.glo",
+        "*.gls",
+        "*.ist",
+        "*.fls",
+        "*.log",
+        "*.fdb_latexmk"
+    ],
+    "latex-workshop.latex.autoClean.run": "never",
+    "latex-workshop.latex.recipe.default": "lastUsed",
+    "latex-workshop.view.pdf.internal.synctex.keybinding": "double-click"
+}

Analysis of Signals and Linear Systems.tex

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+\title{信号与线性系统分析}
+\author{CCongCirno}
+
+\documentclass{xNoteBook}
+
+\usepackage{xCommon}
+\usepackage{xMath}
+\usepackage{xFloat}
+\usepackage{xTikZ}
+
+\usepackage{Local}
+
+\begin{document}
+
+% \setkeys{Gin}{draft}
+
+\maketitle
+
+\frontmatter
+%\makesymb
+
+\tableofcontents
+\listoffigures
+%\listoftables
+
+\mainmatter
+
+\input{Chapter01.tex}
+\input{Chapter02.tex}
+\input{Chapter03.tex}
+\input{Chapter04.tex}
+\input{Chapter05.tex}
+\input{Chapter06.tex}
+\input{Chapter07.tex}
+\input{Chapter08.tex}
+
+\appendix
+
+\backmatter
+
+\input{Reference.tex}
+
+\end{document}

Chapter01.tex

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+\chapter{信号与系统}
+
+学习要点：
+
+\begin{itemize}
+    \item 认识本课程领域的一些名词、术语。
+    \item 学习信号运算规律、熟悉表达式与波形的对应关系。
+    \item 理解冲激信号的特性
+    \item 了解本课程研究范围、学习目标
+    \item 初步了解本课程用到的主要方法和手段
+\end{itemize}
+
+\input{Chapter01A.tex}
+\input{Chapter01B.tex}
+\input{Chapter01C.tex}
+\input{Chapter01D.tex}
+\input{Chapter01E.tex}
+\input{Chapter01F.tex}

Chapter01A.tex

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+\section{绪论}
+
+\subsection{信号的概念}
+信号\footnote{指电信号}是\uwave{信息的载体}
+
+辨析：
+\begin{itemize}
+    \item 消息：人们常常把来自外界的各种报道统称为消息。
+    \item 信息\footnote{本课程中对“信息”和“消息”两词不加严格区分}：通常把消息中有意义的内容称为信息。
+    \item 信号：信号是信息的载体，通过信号传递信息。
+\end{itemize}
+
+\subsection{系统的概念}
+
+\begin{Figure}[系统组成]
+    \includegraphics[width=100mm]{visio/1.1.pdf}
+\end{Figure}
+
+信号处理：对信号进行加工/变换
+
+信号传输：通信（长距离）
+
+