Currently, vehicle positioning and navigation in autonomous operation of agriculturalvehicles is mainly based on single-system signal especially GPS. Not only does theautonomous operation of agricultural vehicles based on single-system signal have suchshortcomings as low positioning accuracy, poor signal stability, the higher price, longmaintenance cycle and high maintenance costs, but also the system suppliers are from abroadand the use of enhancement system is restricted. Thus, the promotion of the autono...