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      Advancements in Bio-radar Speech Signal Detection Technology

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          Abstract

          Speech signal acquisition is of great significance for human communication. Bio-radar technology has many advantages, such as it is noncontact, noninvasive, safe, highly directional, highly sensitivity, immune to strong acoustical disturbance and penetrable. This technology has important applications in the field of speech detection. In this paper, we first review the developmental history of speech detection technology, and then summarize the status of bio-radar speech detection technology. The basic principles of a bio-radar in detecting speech signals are given, and the performance of three types of bio-radar speech detection systems are compared in this paper. Finally, the potential applications of bio-radar speech signal detection technology are prospected.

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          Author and article information

          Journal
          Journal of Radars
          Chinese Academy of Sciences
          01 October 2016
          : 5
          : 5
          : 477-486
          Affiliations
          [1 ] ①(School of Biomedical Engineering, Fourth Military Medical University, Xi’an 710032)
          [2 ] ②(College of Control Engineering, Xijing University, Xi’an 710123)
          Article
          e7aa7434678542f1a30f5965193073e8
          10.12000/JR16099

          This work is licensed under a Creative Commons Attribution 4.0 Unported License. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/

          Categories
          Technology (General)
          T1-995

          Remote sensing, Electrical engineering

          Bio-radar, Speech detection, Speech signal, Acoustic sensor

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