ID 原文 译文
13064 文中介绍了获取Ka波段海杂波的试验条件，并利用获取的实测数据进行了杂波特性分析。 An experimental system for Ka-band sea clutter measurement is mtroduced in this paper. Based on the measured data, the sea clutter characteristics are analyzed.
13065 发现：HH极化与VV极化下海杂波的幅度分布区别不大，与瑞利、韦布尔及K分布拟合程度较为接近，与理论分析基本一致；海杂波时间相关性很短，在不同极化方式下变化不大；其空间相关长度约为m，且随着擦地角增加而略有增加。 It is found that the amplitude distribution of sea clutter data is close to the Rayleigh, Weibull and K distributions and it has slight differences in horzontal and vertical polarization when the grazing angle is low. The temporal correlation of sea clutter is very short and almost the same in different polarization modes. The spatial correlaton length is about ! m and increases slightly with the increase of grazing angle.
13066 此外比较分析了HH和VV两种极化下海杂波后向散射系数随擦地角的变化趋势，在低擦地角情况下，VV极化条件下的海杂波后向散射系数高于HH极化。 In addition, the trend of the backscattering coefficient of sea clutter under the two polarizatons of HH and VVEs compared and analyzed.
13067 本文的研究结果为海杂波背景下低空小目标的检测研究提供了更加丰富有利的支撑。 The results show that the backscattering coefficient of sea clutter under VV polarization is higher than that under HH poarization, which provides support for low-atitude small target detection concerning the sea clutter.
13068 从高分辨一维距离像(high range resolution profile, HRRP)出发，针对HRRP姿态敏感以及锥体目标识别中姿态获取困难的问题，推导分析了散射中心极化比与锥体目标姿态的关联关系，提出了基于散射中心极化比姿态反演的方法。 This article starts from the high range resolution proflle (HRRP) , on account of difficult problems in the characteristics of the sensitivity of the HRRP and the recognition of the target of the cone type attitude, analyzes the correlaton between polarization ratio of scattering center and the target attitude.
13069 利用散射中心参数估计模型对锥体目标不同极化下的宽带数据进行分析, 分别提取其散射中心参数，同时计算散射中心参数的极化比，并与理论的极化比曲线进行匹配，最终获取目标的姿态角。 Scattering center parameter estimation model is used to extract the scattering center parameters of cone targets from the wideband data, such as amplitude and locaton of scattering center. And the amplitude polarzation ratio of the extracted scatterng center parameters is calculated, so as to match the theoretcal polarzaton ratio curve and fnally obtan the atttude angle of the target.
13070 基于球头锥的数值计算与极化特征提取结果验证了方法的有效性，利用此方法能够做到对目标姿态的快速反演，为进一步的目标识别提供支撑。 The results of numercal calculation and polarization feature extraction based on sphercal cone verify the effectiveness of the method, which provides a basis for further target recognition.
13071 高频地波雷达(high-frequency surface wave radar HFSWR)中电离层杂波的存在，会极大地影响雷达系统的性能，降低对目标的探测能力。 The presence of ionospheric clutter in high-frequency surface wave radar(HFSWR) may extremely affect the perJormance of radar system and degrade the capability of detecting target.
13072 为了精确获得杂波参数，从而更好地抑制电离层杂波，提出 了一种基于压缩感知(compressve sensng, CS)的单快拍参数估计方法，用于对电离层杂波的空域和极化域参数估计。 In order to obtain clutter parameters accurately and suppress onospherc clutter better, a single snapshot parameter estimaton method based on compressve sensmg(CS) is proposed for estimating the spatial domain and polarization domain parameters of ionospheric clutter.
13073 该方法基于极化敏感阵列的块稀疏估计模型，应用块正交匹配追踪(block orthogonal matching pursuit, BOMP)算法实现距离-多普勒域的单快拍空间角度和极化参数联合估计，并进ー步获得目标和杂波的空间角谱和极化谱。 Based on the block sparse estimation model of polarzation sensitive array, this method uses block orthogonal matching pursut(BOMP) algorithm to realize joint estimation of angle and polarization parameters of single snapshot in range-Doppler domain, and further obtains the spatial angular spectrum and polarization spectrum of target and clutter.