因前风挡贴膜导致车辆导航定位不准的故障分析  

Fault Analysis of Vehicle Navigation and Positioning ErrorCaused by Front Windshield Film

作　　者：李景伟 葛丽敏 王龙 程志刚 车长发 曹勇勇 LI Jingwei;GE Limin;WANG Long;CHENG Zhigang;CHE Changfa;CAO Yongyong(Geely Automobile Research Institute(Ningbo)Co.,Ltd.,Ningbo 315336,China)

机构地区：[1]吉利汽车研究院(宁波)有限公司,浙江宁波315336

出　　处：《汽车电器》2024年第9期81-82,85,共3页Auto Electric Parts

摘　　要：因外部原因、车辆前风挡膜、安装非原装级行车记录设备等易引起车辆导航定位迟滞、偏移,影响用户用车体验。本文根据车辆定位原理,通过对车机多媒体的搜星能力和与卫星交互数据的能力以及信号的稳定性、可靠性进行排查分析,解决信号较差的问题。Due to external reasons,vehicle front windshield film,installation of non-original driving record equipment,etc.,it is easy to cause vehicle navigation and positioning lag and deviation,affecting the user's car experience.According to the principle of vehicle positioning,this paper investigates and analyzes the ability of vehicle multimedia to search for stars and interact with satellite data,as well as the stability and reliability of the signal,and solves the problem of poor signal.

关 键 词：导航定位 前风挡贴膜 信号干扰 

分 类 号：U463.675[机械工程—车辆工程]