Abstract
There is the necessary to design the method that will be allow to decide the existed uncertainty in using the radar for the tracking sophisticated and controlled movement targets as well as will be allow to estimate the performances to set up the measuring and extrapolated filter in terms of time and resource costs. The uncertainty lies in the fact that when tracking controlled movement targets, wide correlation strobes need to be formed, however, when tracking sophisticated targets, such strobes should be smaller. In accordance with the task of developing a methodology for calculating the trajectory of sophisticated and controlled movement targets, a method was developed by a radar. It allows for the joint detection and recognition of signals reflected from controlled movement targets, as well as linking spots to trajectories in conditions of working with sophisticated targets according to a new non-coordinate basis. This allows to resolve the uncertainty associated with the maintenance of sophisticated and controlled movement targets. Unlike existing solutions, the developed method proposes to produce parallel coherent and incoherent accumulation of the burst signal, which corresponds to taking into account the influence of fluctuations of each pulse in the burst and the entire signal. After this, the obtained values of the signal-to-noise ratios are compared with the threshold value. As a result, a decision is made on the nature of the movement of the target. The same data in conjunction with the used information is used when linking spots to trajectories to correct the parameters of the estimation and extrapolation filters, as well as when specifying the sizes of correlation gates for further tracking. We can say that to increase the effectiveness of tracking sophisticated and controlled movement targets, it is necessary to conduct joint detection and recognition of targets by their non-coordinate information, which is the difference in the signal-to-noise ratios from the outputs of the coherent and incoherent signal storage, characterizing the features of fluctuations, in the processing of information of one spot. A method has been developed that allows: constructing target tracking algorithms based on processing coordinate and noncoordinate information; to resolve the uncertainty associated with the maintenance of sophisticated and controlled movement targets; to increase the effectiveness of maintenance without attracting significant costs; the selection of sophisticated targets for the energy components of its components; to provide throughput at a given level; to reduce the errors of estimation and extrapolation of the coordinates of sophisticated targets. The practical significance of the developed technique lies in the ability of the radar to accompany sophisticated and controlled movement targets with a given value of the performance indicator. Solving the information processing problem using the joint detection and recognition method allows increasing the probability of the information of the first typical message by 15…20% while preserving the set throughput value.
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