公开(公告)号：US20230061599A1

公开(公告)日：2023-03-02

申请号：US17983835

申请日：2022-11-09

Applicant: BEIJING BAIDU NETCOM SCIENCE TECHNOLOGY CO., LTD.

Inventor： Lei XIA ,  Hailu Jia ,  Xi Chen ,  Guangdi Shan

IPC: G01S19/27 ,  G01S19/29

Abstract: A positioning method, an electronic device and a storage medium, which relate to a field of computer technology, and in particular to fields of positioning technology and satellite navigation technology. The method includes: acquiring satellite observation data for a target object, broadcast ephemeris data for the target object, and state space representation for the target object; performing an error correction on the broadcast ephemeris data using the state space representation; determining a target positioning model according to the satellite observation data and the corrected broadcast ephemeris data; and performing a resolving operation on the target positioning model to obtain position data of the target object.

公开(公告)号：US20230025458A1

公开(公告)日：2023-01-26

申请号：US17932357

申请日：2022-09-15

Applicant: BEIJING BAIDU NETCOM SCIENCE TECHNOLOGY CO., LTD.

Inventor： Wei Li ,  Hailu Jia ,  Xi Chen ,  Fangsheng Jiang ,  Guangdi Shan

IPC: G01C21/16 ,  G01S19/47

Abstract: A positioning method and an on-board device. The method includes: acquiring positioning data of a vehicle from a satellite and positioning correction data from a base station; acquiring target positioning data of the vehicle by correcting the positioning data based on the positioning correction data; and sending the target positioning data to a terminal device to enable the terminal device to position the vehicle according to the target positioning data.