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Detection Module in a Complementary Set of Sequences-Based Pulse Compression System

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6 Author(s)
Fernando J. Alvarez ; Department of Electronics and Electromechanical Engineering, University of Extremadura, 10071 Cáaceres (Spain), email: fafranco@unex.es ; A. Hernaandez ; J. Urena ; J. J. Garcia
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Signal coding and pulse compression techniques have been widely used in the design of high performance airborne sonar as a mean to increase their robustness to noise and enhance their spatial resolution. These systems are still today in continuous development, with the appearance of new encoding schemes and processing algorithms which not only improve the previous features, but also provide the system with additional properties. All these improvements are achieved at the expense of increasing the computational complexity of the signal processing tasks, what put into risk the real-time operation capability of the system. This work presents the hardware implementation in a single FPGA of all the stages forming the detection module of an advanced sonar system which is based on the emission of complementary sets of sequences. This implementation is able to carry out all the data processing in the time interval between two successive firings, also obtaining a portable module that makes possible its incorporation into mobile robots

Published in:

2006 International Conference on Field Programmable Logic and Applications

Date of Conference:

28-30 Aug. 2006