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A new approach for synthesizing the range profile of moving targets via stepped-frequency waveforms

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4 Author(s)
Hang-yong Chen ; Res. Inst. of Space Electron., Nat. Univ. of Defense Technol., Chang Sha ; Yong-xiang Liu ; Wei-dong Jiang ; Gui-rong Guo

In radar target imaging, motion induces a range-Doppler coupling effect, which results in distortion in synthesizing a range profile for a moving target. To eliminate or suppress the distortion of the synthetic range profile, conventional technology such as motion compensation requires velocity estimation. Unfortunately, for a high-speed moving target, it is difficult to achieve real-time accurate estimation of the velocity of the target. Based on phase cancellation, a new technology is proposed to achieve a motion target range profile via stepped-frequency waveform. The new technology does not need the estimation of the velocity. Hence, its computational cost can be minimized. It is also easier to use. The simulation result confirms the effect of the new technology

Published in:

Geoscience and Remote Sensing Letters, IEEE  (Volume:3 ,  Issue: 3 )