Add second reflection calculation (report)

report/chapters/swash.tex

@@ -24,11 +24,15 @@ depth) with an added \SI{250}{\m} sponge layer at the shorewards boundary.
 The reflection coefficient at the buoy's location was computed using
 a PUV method \parencite{huntley1999use}.
 
-The results are displayed in \autoref{fig:swash_1_R}.
+The results are displayed in \autoref{fig:swash_1_R}. Two methods of
+calculating the reflection were used \parencite{huntley1999use}, the second one
+might be wrongly implemented, and the first one might be subject to
+noise-induced bias.
 
 \begin{figure}
 	\centering
-	\includegraphics{R.png}
+	\includegraphics{R1.png}
+	\includegraphics{R2.png}
 	\caption{Reflection coefficient computed with Swash. 1: With breakwater; 2:
 	Without breakwater.}\label{fig:swash_1_R}
 \end{figure}