\par The amplitude of oscillations was measured by counting the notches on the wheel and the result was displayed on the electronic control box.
\par The control box contained inputs as shown in Figure 3.
\begin{figure}[!bht]
    \centering 
    \includegraphics[width = \textwidth]{box.png}
    \caption{The rear panel of the control box.(cited from lab 5 manual edited by  Qin Tian, Wang Yin, Mateusz Krzyzosiak)}
\end{figure}
\subsection{Precisions
\par The measuring system mainly consists of the detector and its contr}ol box with the precision 
\begin{table}[htbp]
    \centering
    \begin{tabular}{cc}
        \toprule
        \multicolumn{1}{l}{Equipment} & \multicolumn{1}{l}{Resolution}\\
        \midrule
        Pohl resonator (period) & 0.001s \\
        Pohl resonator (phase lag) & 1$^\circ$ \\
        Pohl resonator (amplitude) & 1$^\circ$ \\
        \bottomrule
    \end{tabular}
    \caption{Measurement device and precisions.}
\end{table}

\par The amplitude of oscillations was measured by counting the notches on the wheel and the result was displayed on the electronic control box.
\par The control box contained inputs as shown in Figure 3.
\begin{figure}[!bht]
    \centering 
    \includegraphics[width = \textwidth]{box.png}
    \caption{The rear panel of the control box.(cited from lab 5 manual edited by  Qin Tian, Wang Yin, Mateusz Krzyzosiak)}
\end{figure}
\subsection{Precisions
\par The measuring system mainly consists of the detector and its contr}ol box with the precision 
\begin{table}[htbp]
    \centering
    \begin{tabular}{cc}
        \toprule
        \multicolumn{1}{l}{Equipment} & \multicolumn{1}{l}{Resolution}\\
        \midrule
        Pohl resonator (period) & 0.001s \\
        Pohl resonator (phase lag) & 1$^\circ$ \\
        Pohl resonator (amplitude) & 1$^\circ$ \\
        \bottomrule
    \end{tabular}
    \caption{Measurement device and precisions.}
\end{table}