Abstract
Range profile (RP) is an effective one-dimensional radar signature used to recognize a target, and many research results have been published regarding the classification of RPs of targets engaged in solo flight. However, because targets fly in formation with complicated motion parameters, further study is required to identify multiple targets simultaneously. This paper presents a method of recognizing multiple targets that are flying closely spaced in a formation using separate RPs of each target. However, it is very difficult to extract RPs from each target which uses reflected signals from several aircraft in a formation at several aspect angles. In this paper, RPs of each target are separated by using the segmentation method based on the range-Doppler algorithm. Classification results from using five targets that are composed of point scatterers prove the effectiveness of the proposed method.
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