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Ultrasonic Array for Obstacle Detection Based on CDMA with Kasami Codes
| Título | Ultrasonic Array for Obstacle Detection Based on CDMA with Kasami Codes |
| Tipo de publicación | Journal Article |
| Año de publicación | 2011 |
| Autores | Diego, C., Á. Hernández, A. Jiménez, F. J. Álvarez, R. Sanz, and J. Aparicio |
| Idioma de publicación | English |
| Revista académica | Sensors |
| Volumen | 11 |
| Número | 12 |
| Páginas | 11464 - 11475 |
| Fecha de publicación | 12/2011 |
| Palabras clave | ultrasound; Phased Array; CDMA; B-Scan images |
| ISSN | 1424-8220 |
| DOI | 10.3390/s111211464 |
| Resumen | This paper raises the design of an ultrasonic array for obstacle detection based on Phased Array (PA) techniques, which steers the acoustic beam through the environment by electronics rather than mechanical means. The transmission of every element in the array has been encoded, according to Code Division for Multiple Access (CDMA), which allows multiple beams to be transmitted simultaneously. All these features together enable a parallel scanning system which does not only improve the image rate but also achieves longer inspection distances in comparison with conventional PA techniques. |
| DOI | 10.3390/s111211464 |
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