極化信號的優(yōu)化接收理論:部分極化情形
THE THEORY ON OPTIMAL RECEPTION OF POLARIZED SIGNALS:THE PARTIALLY POLARIZED CASE
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摘要: 本文針對部分極化波情形,利用電磁波的Stokes矢量表示法研究了極化信號的優(yōu)化接收問題;利用Lagrange乘子法,分別推導了以信號干擾功率差(PDSI)和信號干擾噪聲比(SINR)作為優(yōu)化目標函數(shù)時接收天線的全局最優(yōu)極化;并通過數(shù)值實例驗證了文中結論。Abstract: In this paper, the problem of optimal reception of partially polarized signals is investigated by means of Stokes vector description of EM waves. The receiving antenna s global optimal polarizations are derived using Lagrange multiplier method with SINR(Signal-to-Interference-and-Noise-Ratio) and PDSI(Power-Difference-between-Signal-and-Interference) as the objective functions respectively. At the end of this paper, results are verified by a numerical example.
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Stapor D P. Optimal receive antenna polarization in the presence of interference and noise. IEEE Trans. on AP, 1995, AP-43(5): 473-477.[2]王雪松,肖順平,曾勇虎,等.極化軌道約束下的最優(yōu)極化(一).微波學報,1997, 13(1): 33-42.[3]王雪松,莊釗文,肖順平,等.極化軌道約束下的最優(yōu)極化(二).微波學報,1997, 13(3): 219-227.[4]王雪松,莊釗文,肖順平,等.極化軌道約束下的最優(yōu)極化(三).微波學報,1997, 13(4): 314-325.[5]Van Zyl J J, et al. On the optimum polarizations of incoherently reflected waves. IEEE Trans. on AP, 1987, AP-35(7): 818-825.[6]Guissard A. Mueller and Kennaugh matrices in radar polarimetry. IEEE Trans. on GRS, 1994, GRS-32(3): 590-597.[7]Van Zyl J J. On the Importance of Polarization in Radar Scattering Problems[Ph. D Dissertation].Caltech Antenna Lab. Rep, 120, 152, California Institute of Technology, Pasadena: 1985. -
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