部分極化電磁波的最佳接收
THE OPTIMAL RECEPTION OF THE PARTIAL POLARIZATION WAVE
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摘要: 描述實(shí)際散射體散射特性的散射矩陣一般是時(shí)間的函數(shù)。因此,即使入射電磁波是完全極化電磁波,散射電磁波也不再是完全極化電磁波,而是部分極化電磁波。本文討論了對(duì)部分極化電磁波的最佳接收問題,并給出計(jì)算天線接收功率的簡(jiǎn)化算法。
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關(guān)鍵詞:
- 最佳接收; 部分極化電磁波; 合成孔徑雷達(dá)
Abstract: The scattering matrix, which describes the scattering property of practical scatters, is generally a function of time. So, the scattered electromagnetic wave is no longer a completely polarized wave, but a partially polarized wave, although the incident wave is completely polarized. This paper mainly focuses on the optimal reception of partially polarized electromagnetic wave, and derives the method for optimizing the intensity received by the antenna. -
Landau L D,Lifshitz E M.Electrodynamics of Continuous Media.Vol.8 of Course of Theoretical Physics,New York:Pergamon,1960,Chapter 2.[2]Mueller H.The foundations of optics.J.Opt.Soc.Am.,1948,38(3):661-663.[3]Van Zyl J J,Zebker H A,Elachi C. Imaging radar polarization signatures:Theory and observation[J].Radio Science.1987,22(3):529-543[4]Kostinski A B,Boerner W M.On foundations of radar polarimetry.IEEE Trans.on Antennas Propag,1986,AP-34(9):1395-1404;Mieras H.Comment.IEEE Trans.on Antennas Propag,1986,AP-34(9):1470-1471;Kostinske A B,Boerner W M.Reply.IEEE Trans.on Antennas Propag,1986,AP-34(9):1471-1473. -
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