According to the problem of position discontinuity using GPS in city cars, a scheme that GPS is combined with DR which is composed by piezoelectric gyro and milemeter is put forward.
针对城市车辆全球位系统(GPS)
位
在的
连续
问题,提出了采用压电陀螺和里程仪组成的低成本航迹推算系统与GPS组合方案。