基于FPGA的超声波阵列测量定位系统设计Design of ultrasonic array measurement and positioning system based on FPGA
陈志彬,宋金堂,张娜,乔怡豪
摘要(Abstract):
为了实现对移动物体进行定位,提高超声波定位的精度,基于可编程逻辑门列阵(FPGA),设计一个SoC硬件测量平台,对超声波信源到超声波接收阵列的角度和距离测量实现高精度定位。为提高系统的测量精度,补偿温度对测量结果产生的影响,增加了温度传感器测量环境温度。在程序设计上将TDoA与AoA融合,并结合MUSIC算法,以提高测量的精度。实际实验测量表明,该测量系统运行稳定可靠,测量速度快、精度高,有一定的实用性和推广价值。
关键词(KeyWords): 超声波阵列;FPGA;TDoA;AoA;MUSIC;测量系统
基金项目(Foundation): 辽宁省教育厅项目(2017FWDF06)~~
作者(Author): 陈志彬,宋金堂,张娜,乔怡豪
DOI: 10.16652/j.issn.1004-373x.2018.12.007
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