计算机科学 ›› 2013, Vol. 40 ›› Issue (Z11): 398-400.
苗晟,周维,唐浩,吴季达,姚绍文
MIAO Sheng,ZHOU Wei,TANG Hao,WU Ji-da and YAO Shao-wen
摘要: 对一定区域内的声源目标定位是声学技术的研究方向之一。借鉴TDOA算法被动定位思想,并针对声信号特点,可设计基于TDOA协同被动定位算法的声场监测系统,用于在空旷场地进行声源监测定位。该系统通过在空旷场地布放3个或多个高灵敏度麦克风监测声目标源,通过计算各麦克风收到信号的时间差,采用Chan和Taylor联合算法,可实现对一定区域内的声目标定位。经过在空旷地实测数据仿真表明,该系统可成功对声目标进行定位,且性能稳定。
[1] Yap J H,Ghaheri-Niri S,Tafazolli R.Accuracy and hearability of mobile positioning in GSM and CDMA networks[C]∥3G Mobile Communication Technologies,Third International Conference.2002:350-354 [2] Chan Y T,Ho K C.A simple and efficient estimator for hyperbolic location[J].Signal Processing,IEEE Transactions,1994,42(8):1905-1915 [3] Foy W H.Position-location solutions by Taylor series estimation [J].IEEE Trans Aerosp Electron Syst,1976,2(3):187-194 [4] Schau H C,Robinson A Z.Passive source location employing intersecting spherical surfaces from time-of-arrival difference[J].IEEE Trans on Acoustics,Speech,and Signal Processing,1987,ASSP-35(1):1223-1225 [5] 陈德章,唐插,吴季达.基于Chan和Taylor的TDOA协同定位算法研究[J].计算机科学,2011,8(Z10):406-407,1 [6] 唐皓,吴季达,鲁东生.基于TDOA原理计算信号源位置的算法探讨[J].计算机科学,2011,8(Z10):467-469 [7] 周康磊,毛永毅.基于残差加权的Taylor级数展开TDOA无线定位算法[J].西安邮电学院学报,2010,15(3):2-3 |
No related articles found! |
|