\documentclass[../thesis.tex]{subfiles}

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\begin{document}
\chapter{Measuring with Radio Antennas}
\label{sec:waveform}
Electric fields,
Antenna Polarizations,
Frequency Bandwidth,
\\

Time Domain,
Sampling,
Waveform + Time vector,
\\

Analysis:
Fourier Transforms,
Correlation

\end{document}