Estimation theory Stochastic processes 14 Modulation (Electronics) 9 Signal detection 9 Signal theory (Telecommunication) 9 Mathematical statistics 8 Mathematical models 7 Signal processing 7 System analysis 7 Sampling (Statistics) 6 Statistical hypothesis testing 6 Analysis of variance 5 Control theory 5 Radar 5 Statistical methods 5 Electric network analyzers 4 Error analysis (Mathematics) 4 Missing observations (Statistics) 4 Nonparametric statistics 4 Robust statistics 4 Electric power systems 3 Finite element method 3 Least squares 3 Mathematics 3 Matrices 3 Methodology 3 Probabilities 3 Smoothing (Statistics) 3 Surveys 3 Automatic control 2