Abstract
The orthogonal signals of multi-carrier-frequency emission and multiple antennas receipt module are used in SIAR radar. The corresponding received echo is equivalent to non-uniform spatial sampling after the frequency diversity process. As using the traditional Fourier transform will result in the target spectral with large sidelobe, the method presented in this paper firstly makes the preordering treatment for the position of the received antenna. Then, the Bayesian maximum posteriori estimation with l 2-norm weighted constraint is utilized to achieve the equivalent uniform array echo. The simulations present the spectrum estimation in angle precision estimation of multiple targets under different SNRs, different virtual antenna numbers and different elevations. The estimation results confirm the advantage of SIAR radar both in array expansion and angle estimation.
This is a preview of subscription content, log in via an institution to check access.
Similar content being viewed by others
References
Fishler E, Haimovich A, Blum R, et al. MIMO radar: an idea whose time has come. In: Proc. 2004 IEEE Radar Conf, Philadelphia, PA, 2004
Hammad A K, Wasim Q M, David J E, et al. Ultra wideband multiple-input multi-output radar. In: IEEE International Radar Conference, Arlington, Virginia, USA, 2005
Forsythe K W, Bliss D W, Fawcett G S. Multiple-Input Multiple-Output (MIMO) radar: performance issues. In: Proceedings of IEEE Radar Conference, 2004
Fuhrmann R, Geoffrey S A. Transmit beamforming for MIMO radar systems using partial signal correlation. In: Proceedings of IEEE Radar Conference, 2004
Frank C R, Scott C, Dennis W, et al. Mimo radar theory and experimental results. In: Proceedings of IEEE Radar Conference, 2004
Bliss D W, Forsythe K W. Multiple-Input Multiple-Output (MIMO) radar and imaging: degrees of freedom and resolution. In: Proceedings of 37th Asilomar Conference on Signals, Systems and Computers, Pacific Grove, CA, 2003
Dorey J, Garnier G, Auvray G. RIAS, synthetic impulse and antenna radar. In: Proceedings of International Conference on Radar, Paris, 1989. 556–562
Bao Z, Zhang Q W. A new kind of VHF radar: synthetic impulse and aperture radar. Modern Radar, 1995, 17: 1–13
Zhao G H, Chen B X, Zhu S P. Direction synthesis in DOA estimation for monostatic multiple input multiple output (MIMO) radar based on synthetic impulse and aperture radar (SIAR) and its performance analyse. Sci China Ser E-Tech Sci, 2008, 51: 656–673
Schmidt R O. Multiple emitter location and signal parameter estimation. IEEE, 1986, 34: 276–280
Roy R, Paulraj A, Kailath T. ESPRIT-A subspace rotation approach to estimation of parameter of cisoids in noise. IEEE Trans on ASSP, 1986, 34: 1340–1342
Dogan M C, Mendel J M. Applications of cumulants to array processing-part I: Aperture extension and array calibration. IEEE T Sign Proc, 1995, 43: 1200–1216
Friedlander B. The interpolated Root-MUSIC algorithm for drection finding. Europ J Sign Proc, 1993, 30: 15–29
Friedlander B. Direcrtion finding with an interpolated array. Proc IEEE Int Conf Acoust Speech Signal Processing, Albuquerque, New Mexico, 1990. 2951–2954
Weiss A J, Friedlander B. Performance analysis of diversely polarized antenna arrays. IEEE Trans Signal Processing, 1991, 39: 1589–1603
Author information
Authors and Affiliations
Corresponding author
Rights and permissions
About this article
Cite this article
Zhao, G., Shi, G. & Zhou, J. Angel estimation via frequency diversity of the SIAR radar based on Bayesian theory. Sci. China Technol. Sci. 53, 2581–2588 (2010). https://doi.org/10.1007/s11431-010-4025-1
Received:
Accepted:
Published:
Issue Date:
DOI: https://doi.org/10.1007/s11431-010-4025-1