基于TDOA和Kalman滤波的声音定位系统的设计Design of sound positioning system based on TDOA and Kalman filtering
王雷,郝建新,陈蔚蔚
摘要(Abstract)：
使用单片机STM32F103ZET6为控制核心,通过以LM324芯片、LM567鉴频芯片为主组成的固定声音识别电路设计声音定位系统。针对在固定音频信号采集过程中,由元器件本身以及周围环境等影响而产生的噪声误差,采用TDOA算法和Kalman滤波相结合的方式,对于TDOA算法的计算结果进行优化处理,得出音源位置的最优估计值。经过运行调试,使用Kalman滤波之后,使得系统的定位精度得到较大的提高,实现对目标的快速稳定跟踪。
关键词(KeyWords)： 声音识别;声音定位;TDOA;Kalman滤波;STM32F103;Arduino
基金项目(Foundation): 中央高校基本科研业务中国民航大学专项(3122017045)~~
作者(Author): 王雷,郝建新,陈蔚蔚
DOI: 10.16652/j.issn.1004-373x.2018.19.038
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