ID 原文 译文
13044 为解决这个难题,提出了基于极化信息的单脉冲处理方法。 In order to solve this problem, this paper presents a method of target angle estimation based on polarization information.
13045 将雷达改进为双极化接收,并增加相应的和差网络,得到六路带极化信息的和差信号,带入本文设计的解析公式进行解算,可以避免角度估计中因为干扰 产生的耦合误差,确保准确的雷达测角及跟踪。 Radar receiver has been improved to dual polarization receiver, and sum-difference network is added, generating six channel sgnals with polarization information. Then signal parameters are brought into analytcal formulas for soluton. This method can elimnate the couplng angle error of the target under toward decoy jamming, and enable the radar to maintain correct angle measurement and tracking.
13046 仿真结果证明,该方法能够在干扰条件下得到正确的角度估计,使对抗拖曳式诱饵干扰的工程实现更加简洁高效,对于提升雷达的抗干扰能力具有重要意义。 Simulation results show that the proposed method can estimate the target angle under jamming condtion. This is a simple and effective method to resist manlobe interference, and is very easy to be implemented n engneering. This method has important significance to enhance the anti-jamming ability of radar.
13047 文中提出一种基于角反射器的箔条雷达散射特性增强方法,旨在通过增强单根箔条的散射特性,利用有限数量的箔条实现海量箔条云团的雷达散射截面积(radar cross section,RCS)。 This paper presents a method to enhance the scattering characteristics of chaff radar based on Angle reflector.
13048 在传统“偶极子” 箔条的基础上,利用圆板角反射器结构的强散射特性来增强箔条的电磁散射。 Based on the traditional dipole chaff, the electromagnetic scattering of chaff is enhanced by the strong scattering characteristics oJ the circular plate angle reflector.
13049 同时,为了兼顾各个方向上的电磁散射,利用多个圆形角反射器拼接成为外轮廓为球形的强散射结构。 At the same time, in order to take into account the electromagnetic scattering in all directions, a number of circular angular reflectors are combined to form a spherical strong scattering structure with the outer contour.
13050 通过调节球形结构的半径,可以实现对单个箔条和箔条阵列RCS的控制。 By adjusting the radus oJ the sphercal structure, the radar cross secton(RCS) of a single chaff and chaff array can be controlled.
13051 最后,将单个箔条组成阵列,形成新型箔条结构.对工作频率、入射角度、球形包络半径等不同参数下基于角反射器散射增强的箔条雷达散射特性进行了仿真分析,结果表明利用新型箔条散射增强结构,能使单根箔条的RCS增大30 dBm2以上。 Finally, an array of single chaff is formed for a new chaff structure. In this paper, the scattering characteristics of chaff radar under different parameters such as working frequency, incidence angle, spherical envelope radius and so on, which are enhanced by angular reflector scattering, and the results show that the RCS of a singe chaff could be increased by more than 30dBm2 by using the new chaff scattering enhancement structure.
13052 受各种非理想因素的影响,极化测量雷达难以直接测得目标准确的极化散射矩阵(polarization scattering matrix, PSM),因此,高精度极化标定是准确获取和利用目标极化信息的基础。 Disturbed by the nor- idea l factor, the polar imetrc measur ing radar can not get the correct polarization scattering matrix(PSM) of the target drectly, so high-accuracy polarimetric calibration is the foundation of acquiring and using polarimetric information.
13053 本文从极化标校的基本原理出发,建立了 PSM测量的误差模型,分析了主要误差因素对PSM测量结果的影响,阐述了无源和有源极化标定方法并对其性能和适用场景进行比较,分析了极化标校器的参数对极化标校精度的影响。 This paper begins with the prmciple of polarimetric caiibration, and then buits the error model of PSM measurement, analyzes the impact of error factors on the PSM measurement results, introduces the main passive and active polarimetrc calibration methods and compared the property and applied situation of them, and finally, analyzes the influence of calibration object parameters on the calibration precision, all of which lays a foundaton for the using of polarimetrc information.