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首页> 外文期刊>IEEE Geoscience and Remote Sensing Letters >Adaptive inverse synthetic aperture radar imaging for nonuniformly moving targets
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Adaptive inverse synthetic aperture radar imaging for nonuniformly moving targets

机译：非均匀运动目标的自适应逆合成孔径雷达成像

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摘要

A novel adaptive inverse synthetic aperture radar (ISAR) imaging technique is proposed for targets with nonuniform motion. The proposed algorithm is referred to as the generalized range-Doppler (GRD) ISAR imaging technique and is based on the fractional Fourier transform (FRFT). By utilizing this technique, clear ISAR imaging can be achieved for nonuniformly moving targets without involvement of complex motion compensation. Simulation results have proved that the new algorithm is robust and also computationally efficient as compared with previously reported algorithms such as joint time-frequency (JTF) imaging.
机译：针对运动不均匀的目标，提出了一种新型的自适应逆合成孔径雷达（ISAR）成像技术。所提出的算法被称为广义距离多普勒（GRD）ISAR成像技术，并且基于分数傅里叶变换（FRFT）。通过利用该技术，可以在不涉及复杂运动补偿的情况下，对不均匀移动的目标实现清晰的ISAR成像。仿真结果证明，与以前报道的算法（如联合时频（JTF）成像）相比，该新算法既健壮，又计算效率高。

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