CR	Cognitive radio
PSD	Power spectral density
IoT	Internet of Things
ED	Energy detection
LAD	Double-thresholding
FCME	Forward consecutive mean excision
SNR	Signal to noise ratio
NN	Neural network
NLP	Natural language processing
CNN	Convolutional neural network
GRU	Gate recurrent unit
SSD	Single shot multibox detector
Faster-RCNN	Faster region-based convolutional neural network
RFI	RF interference
FCN	Full convolutional network
PSPNet	Pyramid scene parsing network
PSD	Power spectral density
PPM	Pyramid pooling module
ASK	Amplitude shift keying
PSK	Phase shift keying
FSK	Frequency shift keying
GMSK	Gaussian minimum shift keying
RF	Radio frequency
AWGN	Additive White Gaussian Noise
FFT	Fast Fourier transform
BN	Batch normalized
ReLU	Rectified linear unit
CE	Cross-entropy
IoU	Intersection-over-unit
TP	True positive
FP	False positive
RMSProp	Root mean square prop
FLOPs	Floating-point operations