3results about How to "Achieve accurate positioning" patented technology

The application belongs to the field of track assembly and relates to a positioning mechanism for assembly, which is used for positioning a plurality of products arranged in a straight line. The positioning mechanism comprises a bottom base plate, a locking piece and a correcting piece. The bottom base plate has a front surface and a back surface. The back surface is configured to be connected with the ground in a positioning mode, and the front surface is configured to support the splicing ends of two adjacent products. The positioning mechanism can quickly realize accurate positioning of the products through cooperation of the locking piece and the correcting piece, so that the positioning operation can be quickly realized when the products are spliced. In addition, the splicing accuracy of the two products can be ensured through the correcting piece. Once position deviation occurs after splicing, the correcting piece can be used for re-correction, and the efficiency is high and the maintenance difficulty is low.

The invention relates to the technical field of respiration analysis, in particular to a respiration phase determination method, device and system, and the method comprises the steps: obtaining a mapping relation between a rotation angle of a marking unit and a preset respiration time phase curve; acquiring a current rotation angle of the marking unit; and calculating a target breathing phase corresponding to the current rotation angle based on the mapping relation. The rotatable marking unit is arranged, when the breathing phase of the person to be examined needs to be judged, the current rotation angle of the marking unit can be checked, and according to the mapping relation between the rotation angle of the marking unit and the breathing time phase curve, the current specific breathing phase can be calculated through the current rotation angle of the marking unit; similarly, breathing can be controlled according to the rotation angle of the marking unit, the rotation angle of the marking unit is temporarily kept at the preset position, namely breathing meets the examination state, and therefore accurate positioning of the specific position is achieved, and the examination accuracy is improved.

The embodiment of the invention provides a vehicle positioning method, electronic equipment and a vehicle. The method comprises the steps that vehicle positioning data, vehicle environment information and road-level map data are acquired; determining the initial position of the vehicle according to the vehicle positioning data; determining real-time road data according to the vehicle environment information; matching the real-time road data with the road-level map data, and determining a position correction parameter; and correcting the initial position of the vehicle based on the position correction parameter, and determining the target position of the vehicle. The method gets rid of dependence on an external base station, solves the problem that a sensing device cannot obtain effective lane information, reduces the dependence on map precision, and can achieve the accurate positioning of a vehicle at high efficiency and low cost.