Sensor Array Signal Processing for Source Localization
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This work is a study about source localization methods, more precisely, about beamforming approaches. The necessary background theory is provided first, and then, further developed to explain the basis of each approach. The studied problem consists in an array of sensors in which the signal to process is impinging. Several examples of inciding signals are provided in order to compare the performance of the methods. The goal of the approaches is to find the Incident Signal Power and the Direction Of Arrival of the Signal (or Signals) Of Interest. With these information, the source can be located in angle and range. After the study, the conclusions will show which methods to chose depending on the application pursued. Finally, some ideas or guidelines about future investigation on the field, will be given.