Digital signal processing 10 Signal processing 7 Data acquisition 6 Digital storage 6 Performance 6 article 6 Deep learning 5 E-learning 5 Optical fibers 5 Signal to noise ratio 5 human 5 Extraction 4 Optical fiber communication 4 deep learning 4 Article 3 Biomedical signal processing 3 Bit error rate 3 COVID-19 3 Feature extraction 3 Learning systems 3 MATLAB 3 Mean square error 3 Nondestructive examination 3 Optical-fiber communication 3 Quantization (signal) 3 Satellites 3 Signal detection 3 signal noise ratio 3 signal processing 3 Analog-to-digital conversions 2