| Radar target tracking is an important part of the radar system also called Radar target tracking.After the radar signal processing getting the target position and motion parameters,the radar data processing mainly complete the calculation work of the motion parameters,association,filtering and prediction of tracks.This can suppress random errors in the measurement process and unrelated clutter.In general,the purpose of radar target tracking is to maximize the access to the target information to achieve the target trajectory estimation in the radar detection area and achieve the target tracking.The paper mainly solves the problem of radar maneuvering target and multi-target tracking,and designs radar target tracking simulation platform,including radar target tracking system,control and display interface.According to the characteristics of remote alert Radar and the existing practical application technology at home and abroad,the algorithms are simulated,compared,analyzed.And we select the filtering and correlation algorithm to meet the indicators and improve the existing algorithm to achieve better results.For the tracking of maneuvering target,the target tracking algorithm uses the least squares method,and the criterion is the least of square sum of the errors.For the tracking of multi-target and multi-clutter cases,the target association algorithm adopts the nearest neighbor method.The principle is to set the tracking gate,and the measured value is selected from the candidate echoes falling into the tracking gate.Firstly,the requirements analysis is carried out,the simulation platform is divided into multiple modules.We use the software design process to carry out the demand analysis.The radar data simulation platform mainly completes the demand analysis of the track start,track filter,track association,track quality management,control and display interface and so on.The filter completes the forecast and estimatation of the track and the association completes the link between the track and the new cycle dots.Track start is the key to tracking the target,starting from the dots to the tracks.Track quality management monitoring the tracking status,from tracking to the end of tracking,the track quality management played an important role.Control and display interface completes the radar dots and the tracks display and the control of the target tracking software.Secondly,the design and simulation are accomplished on the basis of the least squares method,and the parameters used in the algorithm are obtained.According to the target tracking function module decomposition diagram,each module function of radar data processing software is designed and completed.And use the form of flow chart to design and complete process.The development process is carried out in the Visual Studio environment,and the MFC is used to realize the simulation interface platform,which realizes the successful operation of the radar data processing and simulation platform.Finally,according to the demand analysis of platform and radar data processing,the functional test and performance test of the software system are carried out.And the test results are compared with the expected results.Target tracking simulation platform should be able to correctly handle tracking maneuvering multi-target data,to achieve the requirements of indicators.The target tracking simulation platform can achieve effective tracking of high maneuvering multi-targets and provide engineering verification for the signal processing.In the next stage,the target tracking system part of the platform is reused for use in the radar target tracking system.As the software design cycle is longer,in the follow-up development it will be adjusted to increase the function and upgrade in practice. |