光电工程, 2013, 40 (1): 10, 网络出版: 2013-01-16  

混合采样机载 MIMO雷达成像方法

Imaging Method of Airborne MIMO Radar Based on Hybrid Sampling
作者单位
空军预警学院,武汉 430010
摘要
针对传统合成孔径雷达 (SAR)在进行机动目标成像时,极易造成 SAR图像中出现散焦与模糊现象,本文通过融合 MIMO雷达单次快拍与 SAR合成孔径技术,提出了一种混合采样高分辨率机载 MIMO雷达机动目标成像方法。该方法利用目标与载机的空间位置信息进行运动补偿,而无需估计目标多普勒信息,因此,能够有效避免传统 SAR存在的机动目标多普勒参数估计难题。仿真实验证实了新方法实现机动目标聚焦成像的有效性。
Abstract
To improve the performance of the imaging on the maneuvering target, a high-resolution imaging method is proposed via airborne multiple-input and multiple-output (MIMO) radar based on a hybrid sampling scheme, in which the single snapshot of MIMO radar and the synthetic aperture of SAR are combined. Different from the classical Synthetic Aperture Radar (SAR), the novel method only compensates the movement by using the geographic information between the target and the airborne radar, instead of the Doppler information. Simulation results validate the effectiveness of the proposed method.
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谢超, 王力宝, 王党卫, 马晓岩, 戴光华. 混合采样机载 MIMO雷达成像方法[J]. 光电工程, 2013, 40(1): 10. XIE Chao, WANG Li-bao, WANG Dang-wei, MA Xiao-yan, DAI Guang-hua. Imaging Method of Airborne MIMO Radar Based on Hybrid Sampling[J]. Opto-Electronic Engineering, 2013, 40(1): 10.

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