Establishment and optimization method of indoor/outdoor navigation context perception model based on GNSS and audio signals on the mobile phone
LI Ang, ZHANG Xuedong, MA Yue, YANG Zhen, LI Linyang
Bulletin of Surveying and Mapping . 2025, (2): 101 -107 .  DOI: 10.13474/j.cnki.11-2246.2025.0218