Journal of Hebei University of Water Resources and Electric Engineering
Design of a Quadcopter Based on Ultrasonic Obstacle Avoidance
SUN Xiao-hui, YANG Jin-guang
Journal of Hebei University of Water Resources and Electric Engineering . 2023, (3): 9 -13 .  DOI: 10.16046/j.cnki.issn2096-5680.2023.03.002