Artículos - Ingeniería Electrónica y de Telecomunicaciones

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Beamforming echo-localization system using multitone excitation signals
(Institute of Electrical and Electronics Engineers Inc., 2017) Pareja-Contreras, Josue; Sotomayor Polar, Manuel; Zenteno Bolaños, Efrain
Determining the position of a target is the central issue in several engineering problems, from computer vision to sonar or radar systems. Echo-localization systems use the reflected sound waves to extract information from a specific target taking advantages of the sound or ultrasound frequency range. In contrast to traditional echo-localization systems, which use single-tone excitation, this paper excite the enviorment using multitone signals. The utilization of multitone signals gives better time resolution in the ambiguity function for detection in a noisy environment. This paper shows an eigth receiver beamforming echo-localization system based on a 32 bit micro controller that is responsible for analog acquisition and multitone signal excitation. © 2017 IEEE.