밀리미터파 탐색기를 이용한 미사일 표적 탄두 식별 기법 연구
- 밀리미터파 탐색기를 이용한 미사일 표적 탄두 식별 기법 연구
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- A signal processing technique is introduced in this paper in order to estimate warhead of ballistic missile. An interceptor missile to destroy the enemy's ballistic missile requires an information on the location of missile's warhead.
In order to detect and locate the missile's warhead, a seeker radar in the interceptor missile makes use of chirp waveform to generate high resolution range profile (HRRP). We applied one of the well known spectral estimation technique called ESPRIT (Estimation of Signal Parameters by Rotational Invariance Technique) to these HRRP to estimate scattering centers on the target. To estimate the number of scattering centers, we used another spectral estimation technique called RELAX (relaxation). Using the information on the one-dimensional (1-D) scattering centers, we can find the location of the warhead by estimating the length of the missile.
Simulation results show that the proposed signal processing technique is efficient in discriminating the warhead of an ballistic missile.
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