{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,11]],"date-time":"2025-10-11T22:43:32Z","timestamp":1760222612675,"version":"build-2065373602"},"reference-count":16,"publisher":"MDPI AG","issue":"12","license":[{"start":{"date-parts":[[2011,12,2]],"date-time":"2011-12-02T00:00:00Z","timestamp":1322784000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/3.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>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.<\/jats:p>","DOI":"10.3390\/s111211464","type":"journal-article","created":{"date-parts":[[2011,12,3]],"date-time":"2011-12-03T12:47:52Z","timestamp":1322916472000},"page":"11464-11475","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":16,"title":["Ultrasonic Array for Obstacle Detection Based on CDMA with Kasami Codes"],"prefix":"10.3390","volume":"11","author":[{"given":"Cristina","family":"Diego","sequence":"first","affiliation":[{"name":"Electronics Department, University of Alcal\u00e1 de Henares, Campus Universitario. Ctra. 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Weigth Distribution Formula for Some Class of Cyclic Codes, Coordinated Science lab, University of Illinois. Technical Report 285;.","DOI":"10.21236\/AD0632574"},{"key":"ref_15","doi-asserted-by":"crossref","first-page":"393","DOI":"10.1016\/j.micpro.2007.02.003","article-title":"Advanced sensorial system for an acoustic LPS","volume":"31","author":"Villadangos","year":"2007","journal-title":"Microprocess. Microsyst"},{"key":"ref_16","unstructured":"Ure\u00f1a, J., Perez, M., Ochoa, A., Hern\u00e1ndez, A., De Marziani, C., \u00c1lvarez, F., Garc\u00eda, J., Jim\u00e9nez, A., and Jim\u00e9nez, J. (2007, January 2\u20137). Separation on concurrent echoes depending on the emitting source using DS-CDMA. 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