ANN	artificial neural network
AWGN	additive white Gaussian noise
DL	deep learning
EEMD	ensemble empirical mode decomposition
EMD	empirical mode decomposition
EN	energy
FT	Fourier transform
GA	genetic algorithm
IMF	intrinsic module function
IPE	improved permutation entropy
kNN	k Nearest Neighbor
NI	National Instruments
OAA	one-against-all
OAO	one-against-one
PE	permutation entropy
PSO	particle swarm optimization
RMS	root-mean-square
SNR	signal-to-noise ratio
STFT	short-time Fourier transform
SVM	support vector machine
VC	Vapnik-Chervonenkis
WT	wavelet transform