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Data Interconnection Method for Maneuvering Multiple Targets Based on Logical Method, Global Nearest Neighbor and Target Heading Information

A nearest neighbor, logic method, applied in the direction of navigation calculation tools, etc., can solve the problems of poor tracking continuity and stability, the target is lost when the target is tracked, and the target is repeatedly batched.

Active Publication Date: 2017-06-06
NAVAL AERONAUTICAL & ASTRONAUTICAL UNIV PLA
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  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

It is designed to solve the problems existing in the process of multi-target tracking under the background of complex target tracking, such as time and time loss of targets, poor tracking continuity and stability, repeated batches of targets, and multiple targets correlated into one wrong track.

Method used

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  • Data Interconnection Method for Maneuvering Multiple Targets Based on Logical Method, Global Nearest Neighbor and Target Heading Information
  • Data Interconnection Method for Maneuvering Multiple Targets Based on Logical Method, Global Nearest Neighbor and Target Heading Information
  • Data Interconnection Method for Maneuvering Multiple Targets Based on Logical Method, Global Nearest Neighbor and Target Heading Information

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Embodiment Construction

[0019] The present invention will be described in further detail below in conjunction with the accompanying drawings. With reference to the accompanying drawings in the description, the specific implementation of the present invention is divided into the following steps:

[0020] (1) Measurement data coordinate conversion

[0021] Convert the measurement data in the polar coordinate system measured by the sensor to the rectangular coordinate system, and set x i (k), y i (k), z i (k) respectively represent the position component of the i-th measurement data at the k moment in the Cartesian coordinate system, and simultaneously obtain the statistical characteristics of the measurement error in the corresponding Cartesian coordinate system from the statistical characteristics of the sensor measurement error in the polar coordinate system;

[0022] (2) Global nearest neighbor data interconnection

[0023] Connect the measurement data of the sensor at time k+1 with the target p...

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Abstract

The invention discloses a logical method, global nearest neighbor and target course information based maneuvering multi-target data interconnection algorithm, and belongs to the technical field of maneuvering multi-target tracking. The problems of lost target, bad tracing continuity and stability and the like are caused if the data interconnection problem in maneuvering multi-target tracking is not well solved. The algorithm which can effectively improve the maneuvering multi-target data association correct rate in the practical application is characterized in that global nearest neighbor and a 3 / 4 logical method are combined in the initial track phase to solve the association problem of earlier and later time target measure data in order to realize multi-target effective track initiation; and target tracking results are used to determine target course information in real time in the track maintenance phase, a course examination accountancy capability and a distance examination accountancy capability are constructed based on the information, and then the association selection of measured data is carried out through a preset course threshold and a preset distance threshold to finally realize the maneuvering multi-target effective tracking.

Description

[0001] 1. Technical field [0002] The invention belongs to the technical field of mobile multi-target tracking and is suitable for a system capable of simultaneously tracking multiple targets. [0003] 2. Background technology [0004] With the development of science and technology, precision-guided weapons and long-range strike weapons are continuously produced, and the target's maneuverability is increasing in order to avoid being detected and attacked. At the same time, the increasingly advanced sensor technology makes various sensors for complex application backgrounds A large number of systems are emerging, and the means of perception are becoming more and more abundant. The complex and changeable perception environment and objects, and the increasing perception requirements have put forward higher requirements for the target tracking system. In such a tracking background with increasingly high requirements and increasing difficulty, in order to realize the tracking of ma...

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Application Information

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IPC IPC(8): G01C21/20
Inventor 何友修建娟熊伟王国宏董凯
Owner NAVAL AERONAUTICAL & ASTRONAUTICAL UNIV PLA
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