Adaptive signal processing 131 Signal processing 30 Adaptive filters 28 Algorithms 17 Digital techniques 17 Radar 14 Machine learning 11 Statistical methods 11 Adaptive antennas 10 Adaptive control systems 8 Wireless communication systems 8 Intelligent control systems 6 Mathematical models 6 Fuzzy systems 5 Moving target indicator radar 5 Neural networks (Computer science) 5 Noise control 5 Software radio 5 Antenna radiation patterns 4 Beamforming 4 Least squares 4 Acoustical engineering 3 Coding theory 3 Mathematics 3 Radio resource management (Wireless communications) 3 Time-series analysis 3 Automatic tracking 2 Computer networks 2 Design and construction 2 Detectors 2