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常见数学公式问题集下载
未控制前效果图：
调整后：
演示代码：
\documentclass[11pt,a4paper]{article}
\usepackage[T1]{fontenc}
\usepackage[utf8]{inputenc}
\usepackage[font=small,labelfont=bf,tableposition=top]{caption}
\usepackage{booktabs}
\usepackage{siunitx}
\begin{document}
\begin{table}
\centering
\begin{tabular}{|l||r|r||r|r|}\hline
& \multicolumn{2}{|c||}{THD [\%]}
& \multicolumn{2}{|c|}{DC offset
[mm]}
\\\hline
& \multicolumn{1}{|c|}{$\frac{1}{2}\cdot f_S$}
& \multicolumn{1}{|c||}{$2\cdot f_S$}
& \multicolumn{1}{|c|}{$\frac{1}{2}\cdot f_S$}
& \multicolumn{1}{|c|}{$2\cdot f_S$} \\\hline
$L_e$
asymmetric
&
0.4
&
0.5
&
0
& 0
\\\hline
$C_{MS}$
symmetric
&
45.4
&
0.4
&
0
& 0
\\\hline
$C_{MS}$
asymmetric