% Define an abbreviation (acronym)
% Acronyms for the thesis
\newacronym{ml}{ML}{\textit{machine learning}}
\newacronym{stft}{STFT}{\textit{short-time fourier transform}}
\newacronym{ai}{AI}{\textit{artificial intelligence}}
\newacronym{dl}{DL}{\textit{deep learning}}
\newacronym{nn}{NN}{\textit{neural network}}
\newacronym{fft}{FFT}{\textit{fast fourier transform}}
\newacronym{svm}{SVM}{\textit{support vector machine}}
\newacronym{cnn}{CNN}{\textit{convolutional neural network}}
\newacronym{rnn}{RNN}{\textit{recurrent neural network}}
\newacronym{vbi}{VBI}{\textit{vibration-based inspection}}
\newacronym{shm}{SHM}{\textit{structural health monitoring}}
\newacronym{fea}{FEA}{\textit{finite element analysis}}
\newacronym{1d-cnn}{1-D CNN}{\textit{One-Dimensional Convolutional Neural Network}}
\newacronym{pca}{PCA}{\textit{principal component analysis}}
\newacronym{cm}{CM}{\textit{confusion matrix}}
% pso
\newacronym{pso}{PSO}{\textit{particle swarm optimization}}
% ga
\newacronym{ga}{GA}{\textit{genetic algorithm}}
% AR
\newacronym{ar}{AR}{\textit{autoregressive}}
% frft
\newacronym{frft}{FRFT}{\textit{fractional fourier transform}}