• 首次深入研究了基于极化敏感阵列部分极化信号检测问题。

    The partially polarized signal detection is investigated for the first time based on the polarization sensitive array.

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  • 介绍极化编码相关检测原理基础上,利用理想编码信号实际数据进行计算机仿真,仿真结果证明了此方法的有效性。

    On the basis of the principle of polarization coding and correlative detection, computer simulation is done for the ideal coded signal and real data, the results prove the effectiveness of the method.

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  • 卫星电视信号接收天线定位主要参数方位角仰角极化

    The main parameters of the satellite TV signal receiving antenna positioning are the azimuth, the elevation angle and polarization angle.

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  • 提出极化敏感均匀圆阵中平行因子信号检测算法

    The blind parallel factor (PARAFAC) signal detection algorithm for the polarization sensitive array is proposed.

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  • 针对窄带极化雷达系统,本文研究了微弱信号检测问题

    The detection problem of dim signal is studied based on narrowband dual-polarization radar system.

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  • 针对相参雷达体制,提出基于极化相位编码雷达信号相关检测方法

    The method of correlative detection of radar signal based on polarization coding and phase coding for the coherent radar is proposed in this paper.

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  • 极化阵列信号参数估计极化敏感阵列校正问题研究雷达信号处理具有重要的意义。

    It is great significance for radar signals processing to study estimation of the polarized array signals and calibration of the array.

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  • 目前存储系统中,用于探测磁光信号振幅系统中的振幅噪声极化噪声敏感

    Amplitude detection method used in magneto-optic data storage system at present is rather sensitive to both amplitude noise and polarized noise.

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  • 该文针对窄带极化雷达系统研究了微弱信号检测问题

    The detection problem of dim signal is studied based on mono-frequency or narrowband dual-polarization radar system in this paper.

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  • 不同相参信号两个在空间上正交线极化天线单元辐射,将形成椭圆极化波。

    Two coherent signals with different primary phases radiated by two orthogonal in-space linear polarization antenna elements form an elliptical polarization wave.

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  • 论述了利用交叉偶极子均匀线进行信号到达极化参量联合估计方法。

    This shows how to estimate both the angles of arrival (AOA) and the polarizations of incoming planear waves with an uniforms linear array of crossed dipoles.

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  • 结论水平极化方式呼吸信号能量明显大于垂直极化方式。

    CONCLUSION: Power of respiration signal in horizontal polarization mode is obviously higher than that in vertical polarization mode.

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  • 本文针对分辨雷达体制提出了横向极化滤波概念,利用它进行了雷达信号极化检测研究,获得了良好的检测效果。

    The concept of transverse polarization filtering is presented under the high resolution radar system. Radar signal detection is studied via this concept. Detection results are satisfactory.

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  • 地震信号随机噪声具有不同极化特性可以利用极化分析方法压制地震记录的随机噪声。

    Due to the fact that the polarization characteristics of seismic signals and random noises are different, polarization analysis can he used to attenuate random noises on seismic records.

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  • 要求同时宽频广空域内多个辐射源频率、到达角极化信号参量具有高精度、高分辨力的估计能力。

    Then it is necessary to estimate the frequency, 2-i AOA and polarizations and other parameters of multiple signals in broad-band and in wide space.

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  • 反映分量记录上,在没有噪音单一信号情况下线性极化矢端分布应该直线

    From 3-component record one can see in noise-free single signal circumstances, the hodograph distribution of linear polarization wave should present itself as a straight line.

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  • 方法简单实用需要获得信号复数形式以及干扰极化特性先验知识

    This method is simple and effective, though it requires measurements of complex signal and apriori knowledge of the polarization characteristics of interference.

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  • 分析极化敏感均匀圆接收信号,该信号具有线性模型特征

    The received signal of the polarization sensitive array is proved to have trilinear model characteristics.

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  • 研究高斯干扰极化自适应阵列信号检测问题

    The problem of signal detection in Gaussian interference by utilizing polarization and adaptive array is studied.

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  • 这种天线优点、可以较高效率接收极化数字电视信号

    The advantages of the antenna are: firstly, receiving two kinds of polarized digital video signals with high efficiency;

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  • 但是,由于不同极化状态回波信号之间相关性极化数据不可避免地产生数据冗余,反而增大岩性分类误差

    But meanwhile, the data fusion coming from the coherence of different polarizations in the polarimetric data produces more error for lithological classification.

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  • 论述测量信号极化重要性并介绍信号极化基本参数测量方法

    This paper describes the importance of measurement of singal polarization in radar reconnaissance devices, introduces basic parameters and measuring method of singal polarization.

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  • 椭圆极化目标信号椭圆极化雷达天线情况作了阐述。

    By analyzing the case linearly-polarized beacon signal and elliptically-polarized radar antenna, the related formulas and curves are given.

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  • 雷达回波信号幅度相位多普勒移外,还存在第四特征——极化信息

    Besides amplitude, phase and Doppler frequency, polarimetric information is the fourth characteristic in the radar echo.

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  • 极化敏感阵列信号滤波主要研究利用干扰信号期望信号空域极化特征差异抑制干扰、增强信号问题。

    Signal filtering of PSA means suppressing interference and enhancing the desired signal, using the difference between desired signal and interference in spatial and polanzational domains.

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  • 统计方法研究了随机取向偶极子后向散射信号频谱极化特性、并给出数字结果

    The spectral and polarizing characteristics of radar echoes from random orientation of dipole scatterers are investigated using statistical method and the numerical results are given.

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  • 设计组合天线具有良好电磁兼容性,仿真结果表明天线对于接收“北斗GPS信号具有较好的极化增益方向图。

    The simulation indicated that the polarization axial ratio and antenna gain pattern of this antenna are good for "BD-1" signal and GPS signal.

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  • 设计组合天线具有良好电磁兼容性,仿真结果表明天线对于接收“北斗GPS信号具有较好的极化增益方向图。

    The simulation indicated that the polarization axial ratio and antenna gain pattern of this antenna are good for "BD-1" signal and GPS signal.

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