From 26d652dddc15d1131dfea4aef631218e34e5f5d6 Mon Sep 17 00:00:00 2001
From: "W. Trevor King" <wking@tremily.us>
Date: Fri, 24 May 2013 15:04:58 -0400
Subject: [PATCH] calibcant/theory.tex: Add S_{xx} and r_{xx} to the
 nomenclature

Thanks Mom!
---
 src/calibcant/theory.tex | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/calibcant/theory.tex b/src/calibcant/theory.tex
index ea0977a..86ac487 100644
--- a/src/calibcant/theory.tex
+++ b/src/calibcant/theory.tex
@@ -98,8 +98,14 @@ where $r_{xx}(t)$ is defined in terms of the expectation value
 \begin{align}
   r_{xx}(t) &\equiv \avg{x(\tau)\conj{x}(\tau-t)} \;,
        &\text{\citep{wikipedia-wiener-khinchin}}
+    \label{eq:autocorrelation}
 \end{align}
 and $\conj{x}$ represents the complex conjugate of $x$.
+%
+\nomenclature{$S_{xx}(\omega)$}{Two sided power spectral density in
+  angular frequency space (\cref{eq:wiener_khinchin}).}
+\nomenclature{$r_{xx}(t)$}{Autocorrelation function
+  (\cref{eq:autocorrelation}).}
 \nomenclature{$\conj{z}$}{Complex conjugate of $z$}
 
 \subsection{Highly damped case}
-- 
2.26.2