Title
Two decades of array signal processing research: the parametric approach
Abstract
The quintessential goal of sensor array signal processing is the estimation of parameters by fusing temporal and spatial information, captured via sampling a wavefield with a set of judiciously placed antenna sensors. The wavefield is assumed to be generated by a finite number of emitters, and contains information about signal parameters characterizing the emitters. A review of the area of array processing is given. The focus is on parameter estimation methods, and many relevant problems are only briefly mentioned. We emphasize the relatively more recent subspace-based methods in relation to beamforming. The article consists of background material and of the basic problem formulation. Then we introduce spectral-based algorithmic solutions to the signal parameter estimation problem. We contrast these suboptimal solutions to parametric methods. Techniques derived from maximum likelihood principles as well as geometric arguments are covered. Later, a number of more specialized research topics are briefly reviewed. Then, we look at a number of real-world problems for which sensor array processing methods have been applied. We also include an example with real experimental data involving closely spaced emitters and highly correlated signals, as well as a manufacturing application example
Year
DOI
Venue
1996
10.1109/79.526899
Signal Processing Magazine, IEEE
Keywords
DocType
Volume
array signal processing,correlation methods,maximum likelihood estimation,signal sampling,spectral analysis,antenna sensors,array signal processing research,beamforming,closely spaced emitters,correlated signals,experimental data,geometric arguments,maximum likelihood principles,parameter estimation methods,parametric methods,sensor array signal processing,signal parameter estimation problem,signal parameters,spatial information,spectral based algorithmic solutions,suboptimal solutions,subspace based methods,temporal information,wavefield sampling
Journal
13
Issue
ISSN
Citations 
4
1053-5888
525
PageRank 
References 
Authors
53.08
51
2
Search Limit
100525
Name
Order
Citations
PageRank
Krim, H.152553.08
Mats Viberg21043126.67