Track correction method of three-dimensional command and dispatch system
The invention discloses a trajectory correction method for a three-dimensional command and dispatch system, and relates to the field of trajectory correction. According to the method, the trajectory advancing direction is calculated in real time, sub-trajectories in the trajectory advancing directio...
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| creator | CHEN XIAODONG MIAO YU LI XIAODONG YANG ZECHONG SONG KAILEI JIN YABIN HAN ZHIZHUO GUO PENG DONG XIUFEN QI ZHENBO BI WEI WANG YONGHAI TANG XINRUI SU YANG DING ZHAIWEI |
| description | The invention discloses a trajectory correction method for a three-dimensional command and dispatch system, and relates to the field of trajectory correction. According to the method, the trajectory advancing direction is calculated in real time, sub-trajectories in the trajectory advancing direction are recognized, and the length threshold values of the corresponding sub-trajectories are adaptively adjusted; by comparing the relation between the sub-track length and the length threshold value, invalid direction change sub-tracks are deleted, and the balance of noise track recognition precision and time delay is achieved; carrying out track smoothing processing by adopting a spline interpolation and moving average track smoothing method; and correcting the traversal track points in the unreachable area to the reachable area according to a method for correcting the traversal track section according to the type of the noise track section in the unreachable area and a noise track fingerprint database method. Acc |
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According to the method, the trajectory advancing direction is calculated in real time, sub-trajectories in the trajectory advancing direction are recognized, and the length threshold values of the corresponding sub-trajectories are adaptively adjusted; by comparing the relation between the sub-track length and the length threshold value, invalid direction change sub-tracks are deleted, and the balance of noise track recognition precision and time delay is achieved; carrying out track smoothing processing by adopting a spline interpolation and moving average track smoothing method; and correcting the traversal track points in the unreachable area to the reachable area according to a method for correcting the traversal track section according to the type of the noise track section in the unreachable area and a noise track fingerprint database method. 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According to the method, the trajectory advancing direction is calculated in real time, sub-trajectories in the trajectory advancing direction are recognized, and the length threshold values of the corresponding sub-trajectories are adaptively adjusted; by comparing the relation between the sub-track length and the length threshold value, invalid direction change sub-tracks are deleted, and the balance of noise track recognition precision and time delay is achieved; carrying out track smoothing processing by adopting a spline interpolation and moving average track smoothing method; and correcting the traversal track points in the unreachable area to the reachable area according to a method for correcting the traversal track section according to the type of the noise track section in the unreachable area and a noise track fingerprint database method. 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According to the method, the trajectory advancing direction is calculated in real time, sub-trajectories in the trajectory advancing direction are recognized, and the length threshold values of the corresponding sub-trajectories are adaptively adjusted; by comparing the relation between the sub-track length and the length threshold value, invalid direction change sub-tracks are deleted, and the balance of noise track recognition precision and time delay is achieved; carrying out track smoothing processing by adopting a spline interpolation and moving average track smoothing method; and correcting the traversal track points in the unreachable area to the reachable area according to a method for correcting the traversal track section according to the type of the noise track section in the unreachable area and a noise track fingerprint database method. Acc</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | GYROSCOPIC INSTRUMENTS MEASURING MEASURING DISTANCES, LEVELS OR BEARINGS NAVIGATION PHOTOGRAMMETRY OR VIDEOGRAMMETRY PHYSICS SURVEYING TESTING |
| title | Track correction method of three-dimensional command and dispatch system |
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