吉林大学学报(工学版) ›› 2017, Vol. 47 ›› Issue (1): 288-293.doi: 10.13229/j.cnki.jdxbgxb201701042

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Acoustic localization algorithm and accuracy analysis based on region division

Cui Lin-lin, Song Ping, SHI Geng-chen   

  1. Intelligent Robotics Institute, Beijing Institute of Technology, Beijing 100081,China
  • Received:2016-03-27 Online:2017-01-20 Published:2017-01-20

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Abstract: At present, the space intersection acoustic localization algorithm based on Time Difference of Arrival (TDOA) only uses a simplex localization method. We herein propose an acoustic localization algorithm based on region division. In this algorithm, we set four spatial six-element arrays, confirm the array parameters based on the principle of minimizing the mean value of area errors, and then divide such area into 16 sub-regions, to each of which we apply different localization algorithm. With fireworks as the sound source, we randomly selected three sound source points in a plot in suburban of Beijing with area of 200 m × 200 m, and carried out repeated experiments for three times at each point. The localization errors at the three points are all less than 1 m.

Key words: communication, time difference of arrival(TDOA), space intersection, regional division, six-element array

CLC Number: 

  • TN911.72
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