NDLI: Automatic Target Recognition Based on High-Resolution Range Profiles with Unknown Circular Range Shift

Content Provider	IEEE Xplore Digital Library
Author	Jeng-Kuang Hwang Kun-Yo Lin Yu-Lun Chiu Juinn-Horng Deng
Copyright Year	2006
Description	Author affiliation: Inst. of Commun. Eng., Yuan-Ze Univ. (Jeng-Kuang Hwang; Kun-Yo Lin; Yu-Lun Chiu; Juinn-Horng Deng)
Abstract	In this paper, an automatic aircraft target recognition (ATR) framework is presented, which is based on the high resolution range profiles (HRRP) of aircraft targets. This work is divided into two major parts. First, we consider the generation of the HRRP, which includes the modeling and simulation of radar cross section (RCS), the design of step frequency waveform (SFW), and IFFT processing for HRRP synthesis. In practice, a possible circular shift of the received HRRP relative to the template HRRPs in target library may exist. In such a situation, we resort to the statistical classification technique to develop an ATR algorithm, which begins with using the Neyman Pearson criterion to determine whether a target is present or not, under a constant false alarm rate constraint. Then the circular correlation is used to estimate possible circular range shift, as well as the unknown phase shift and attenuation. Moreover, we adopt the Gram-Schmidt orthogonalization (GSO) procedure to construct a signal space, and then project the received HRRP onto the signal space. Finally, the target classification can be done in terms of maximum a posteriori (MAP) decision rule. Simulation results are also included to demonstrate the feasibility of this approach
Starting Page	283
Ending Page	288
File Size	1056787
Page Count	6
File Format	PDF
ISBN	0780397533
DOI	10.1109/ISSPIT.2006.270812
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-08-27
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Target recognition Airborne radar Radar cross section Radar imaging Radar signal processing Military aircraft Air traffic control Pulse modulation Frequency synthesizers Signal resolution signal space method automatic target recognition high resolution range profile step frequency waveforms statistical classification
Content Type	Text
Resource Type	Article

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