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International Journal of Antennas and Propagation
Volume 2013, Article ID 705087, 8 pages
Research Article

Simultaneous Altitude and RCS Estimation with Propagation Attenuation in Bistatic HFSWR

Department of Electronic Engineering, Harbin Institute of Technology, Harbin 150001, China

Received 30 May 2013; Revised 29 September 2013; Accepted 13 October 2013

Academic Editor: Atsushi Mase

Copyright © 2013 Zhao Kongrui et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


High frequency surface wave radar (HFSWR) is traditionally unable to detect target altitude information. To simultaneously estimate the target altitude and radar cross-sections (RCS) with bistatic HFSWR, a novel estimation model is proposed with the variation of the propagation attenuation, and the target echoes are utilized to construct the measurement equation. The presented model is completely observable to the target state, which can contribute to preferable estimation results. In order to improve the estimation accuracy, a centralized fusion model is adopted to fuse four measurement vectors. Simulations and practical examples demonstrate the effectiveness of the proposed estimation model.