以下是代码：
\documentclass{article}
\thispagestyle{plain} % To force page numbering when using conference IEEEtran
\pagestyle{plain} % To force page numbering when using conference IEEEtran
\usepackage[utf8]{inputenc}
\usepackage{hyperref}
\newcommand{\subfigureautorefname}{\figureautorefname} % For autoref to name subfloats as Figure
\renewcommand{\tablename}{Table}
%%%%%%%%%% FIGURES %%%%%%%%%%%
\usepackage[justification=centering]{caption} % Figures caption
\usepackage{graphicx}
\captionsetup{labelsep = period} % Figure 2. Caption (rather than Figure 2: Caption)
%\usepackage{float} % To place figures where I want with [H]
\renewcommand{\figurename}{Fig.} % Fig.2 (rather than Figure 2)
\usepackage[export]{adjustbox}
\usepackage{caption, subcaption, floatrow}
\def \hfillx {\hspace*{-\textwidth} \hfill}
\begin{document}
\section{Second}
\subsection{Second in Second}
\subsubsection{Second in Second in Second}
\begin{table}[H]
\centering
\captionsetup[subtable]{position = below}
\captionsetup[table]{position=top}
\caption{Blahblah}
\begin{subtable}{0.3\linewidth}
\centering
\begin{tabular}{|c|c|}
\hline
\textbf{h [m]} & \textbf{dim [m]} \\ \hline
30 & 0.75 \\ \hline
50 & 1.25 \\ \hline
70 & 1.75 \\ \hline
100 & 2.50 \\ \hline
\end{tabular}
\caption{Minimum dimension of an object for it to be detected by the FFT algorithm at different heights}
\label{tab:dimFFT}
\end{subtable}%
\hspace*{4em}
\begin{subtable}{0.3\linewidth}
\centering
\begin{tabular}{|c|c|}
\hline
\textbf{h [m]} & \textbf{dim [m]} \\ \hline
30 & 0.28 \\ \hline
50 & 0.47 \\ \hline
70 & 0.66 \\ \hline
100 & 0.94 \\ \hline
\end{tabular}
\caption{Minimum dimension of an object for it to be detected by the GMM algorithm at different heights}
\label{tab:dimGMM}
\end{subtable}
\end{table}
\section{First}
\subsection{First in First}
\subsubsection{First in First in First}
\begin{table}[H]
\centering
\captionsetup[subtable]{position = below}
\captionsetup[table]{position=top}
\caption{Blahblah}
\begin{subtable}{0.3\linewidth}
\centering
\begin{tabular}{|c|c|}
\hline
\textbf{h [m]} & \textbf{dim [m]} \\ \hline
30 & 0.75 \\ \hline
50 & 1.25 \\ \hline
70 & 1.75 \\ \hline
100 & 2.50 \\ \hline
\end{tabular}
\caption{Minimum dimension of an object for it to be detected by the FFT algorithm at different heights}
\label{tab:dimFFT}
\end{subtable}%
\hspace*{4em}
\begin{subtable}{0.3\linewidth}
\centering
\begin{tabular}{|c|c|}
\hline
\textbf{h [m]} & \textbf{dim [m]} \\ \hline
30 & 0.28 \\ \hline
50 & 0.47 \\ \hline
70 & 0.66 \\ \hline
100 & 0.94 \\ \hline
\end{tabular}
\caption{Minimum dimension of an object for it to be detected by the GMM algorithm at different heights}
\label{tab:dimGMM}
\end{subtable}
\end{table}
\end{document}
执行它并检查表号。
第一个小节里面的表格是表 1。
下一节中的下一小节中的表格变成了表格 3。？这怎么可能？这有什么问题？请帮忙。
答案1
问题似乎是由于\caption子表之前有导致table计数器增加两次。但出于某种原因，如果\caption在subtable环境之后，则不会出现问题。
我已经修复了下面的问题，并且还清理了一些东西。我还利用它booktabs让桌子看起来更漂亮一点，不像监狱牢房 :)
\documentclass{article}
\usepackage[utf8]{inputenc}
\usepackage{hyperref}
\usepackage{booktabs}
\usepackage{caption}
\usepackage{subcaption}
\usepackage{floatrow}
\captionsetup{labelsep = period}
\renewcommand{\figurename}{Fig.} % Fig.2 (rather than Figure 2)
\begin{document}
\section{Second}
\begin{table}[H]
\centering
%% Try (un)commenting out the following two lines, and doing to opposite at
%% the bottom two lines
% \label{tab:Second}
% \caption{Blahblah}
\begin{subtable}{0.45\linewidth}
\centering
\begin{tabular}{cc}
\toprule
\textbf{h [m]} & \textbf{dim [m]} \\
\midrule
30 & 0.75 \\
50 & 1.25 \\
70 & 1.75 \\
100 & 2.50 \\
\bottomrule
\end{tabular}
\caption{Minimum dimension of an object for it to be detected by the FFT algorithm at different heights}
\label{subtab:dimFFT}
\end{subtable}%
\hspace*{\fill}
\begin{subtable}{0.45\linewidth}
\centering
\begin{tabular}{cc}
\toprule
\textbf{h [m]} & \textbf{dim [m]} \\
\midrule
30 & 0.28 \\
50 & 0.47 \\
70 & 0.66 \\
100 & 0.94 \\
\bottomrule
\end{tabular}
\caption{Minimum dimension of an object for it to be detected by the GMM
algorithm at different heights}
\label{subtab:dimGMM}
\end{subtable}
\label{tab:Second}
\caption{Blahblah}
\end{table}
\section{First}
\begin{table}[H]
\centering
\begin{subtable}{0.45\linewidth}
\centering
\begin{tabular}{cc}
\toprule
\textbf{h [m]} & \textbf{dim [m]} \\
\midrule
30 & 0.75 \\
50 & 1.25 \\
70 & 1.75 \\
100 & 2.50 \\
\bottomrule
\end{tabular}
\caption{Minimum dimension of an object for it to be detected by the FFT
algorithm at different heights}
\label{subtab:dimFFT}
\end{subtable}
\hspace*{\fill}
\begin{subtable}{0.45\linewidth}
\centering
\begin{tabular}{cc}
\toprule
\textbf{h [m]} & \textbf{dim [m]} \\
\midrule
30 & 0.28 \\
50 & 0.47 \\
70 & 0.66 \\
100 & 0.94 \\
\bottomrule
\end{tabular}
\label{subtab:dimGMM}
\caption{Minimum dimension of an object for it to be detected by the GMM
algorithm at different heights}
\end{subtable}
\label{tab:first}
\caption{Blahblah}
\end{table}
\end{document}
