Signal processing 277 Mathematics 256 System analysis 57 Mathematical models 39 Wavelets (Mathematics) 35 Transformations (Mathematics) 27 Image processing 20 Wireless communication systems 20 MATLAB 19 Data processing 16 Digital techniques 16 Digital filters (Mathematics) 15 Coding theory 14 MIMO systems 14 Fourier transformations 13 Stochastic processes 13 Radar 11 Design and construction 9 Linear time invariant systems 9 Signal theory (Telecommunication) 9 Algorithms 8 Electric filters 8 Error-correcting codes (Information theory) 8 Fourier analysis 8 Time-series analysis 8 Bayesian statistical decision theory 7 Discrete-time systems 7 Frequency spectra 7 Linear systems 7 Probabilities 7