接收天线的极化调整影响卫星电视的接收效果，极化匹配问题越来越受到人们的重视。
The polarization adjustment of receiving antenna influence on the receiving effect of satellite television. The great importance of polarization matching has been attached.
本文讨论了铁氧体圆极化移相器的基本工作原理、宽带匹配技术。
In this paper the principle of the circle-polarized ferrite phase shifters and the technology of wide-band matching are briefly analyzed.
该方法将极化相似度量引入到局部极大值匹配算法中，有机地结合了散射中心特征点的空间域和极化域的信息。
By combining the polarimetry similarity and the local maxima match ATR algorithm, the method can consider both space and polarimetry information of the scattering centers.
文中解析地导出此情况下等离子体介质的三阶非线性极化率，并讨论其位相匹配条件。
The third-order nonlinear susceptibilities of the plasma are derived analytically and the condition to satisfy the phase matching is discussed.
这些方法分别采用单点馈电，多点馈电或多元组合实现圆极化，均有效拓展了圆极化天线的阻抗匹配带宽和圆极化轴比带宽。
In the methods, single feed, more feed and several patches consisting circular polarization are used to feed the antenna and improve the impendent or ar bands.
随机周期长度偏差对准相位匹配波导中差频效率的影响要比随机占空比偏差的影响来得大，这与单块周期极化晶体中的情况类似。
With the same magnitude, random period error casts much larger effect on the conversion efficiency than random duty cycle error, which is similar with the case in bulk crystals.
提出了一种基于杂波模型的极化自适应恒虚警检测算法，该算法比极化自适应匹配滤波器算法有更小的估计损失，并推导出了虚警概率表达式。
A model - based polarimetric adaptive CFAR detection algorithm is derived that has a lower estimation loss. A theoretical expression is derived for constant false alarm rate of the proposed algorithm.
提出了一种基于杂波模型的极化自适应恒虚警检测算法，该算法比极化自适应匹配滤波器算法有更小的估计损失，并推导出了虚警概率表达式。
A model - based polarimetric adaptive CFAR detection algorithm is derived that has a lower estimation loss. A theoretical expression is derived for constant false alarm rate of the proposed algorithm.
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