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机载双基地雷达杂波模拟方法及杂波特性分析

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机载双基地雷达对目标进行探测时,不同的收发平台几何配置和相对运动状态会导致接收到的杂波信号存在较大差异,从而影响目标的检测结果,因此需要研究不同双基场景下的杂波特性.本文研究了机载双基地雷达杂波模拟方法,对杂波散射单元相对方位角、俯仰角等参数的计算提出了一种更具普适性的方法,在此基础上重点分析了机载双基地雷达几何配置、收发波束指向等因素对杂波特性的影响.最后通过仿真杂波的距离-多普勒二维分布验证了本文所提杂波模拟方法的有效性.
Clutter Simulation Method and Clutter Characteristic Analysis for Airborne Bistatic Radar
When the airborne bistatic radar system detects targets,different geometric configurations and relative motion states of the receiving and transmitting platforms can lead to large differences in received clutter signals,which will affect the detection results of targets.Therefore,it is necessary to study the clutter characteristics in different bistat-ic conditions.This article studies the clutter simulation method for airborne bistatic radar.A more applicable method for calculating parameters,such as the angle of the clutter cell grids,has been proposed.On this basis,the influence of fac-tors such as geometric configuration of airborne bistatic radar and the direction of the transmitting and receiving beams on clutter characteristics is analyzed.Finally,the effectiveness of the clutter simulation method proposed in this paper is verified by simulating the range-Doppler two-dimensional distribution of the clutter.

airborne bistatic radarclutter simulationclutter characteristicsrange-Doppler spectrum

陈俊先、施龙飞、贾文通、杨源、关一夫

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国防科技大学电子科学学院CEMEE国家重点实验室,湖南 长沙 410073

中国人民解放军93975部队,新疆 乌鲁木齐 830000

机载双基地雷达 杂波模拟 杂波特性 距离-多普勒谱

2024

雷达科学与技术
中国电子科技集团公司第38研究所 中国电子学会无线电定位技术分会

雷达科学与技术

CSTPCD北大核心
影响因子:0.665
ISSN:1672-2337
年,卷(期):2024.22(6)