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Imaging of a Moving Target With Rotating Parts Based on the Hough Transform

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4 Author(s)
Qun Zhang ; Air Force Eng. Univ., Xi''an ; Tat Soon Yeo ; Hwee Siang Tan ; Ying Luo

The rotation of structures in a target introduces additional frequency modulations on the returned signals and also generates sidebands about the center Doppler frequency of the target. In other words, the body image will be contaminated due to the interference from the rotating parts. In this paper, an imaging method for moving targets with rotating parts is presented. The method is simple to implement and is based on the Hough transform (HT), which is widely used in image processing. Using the standard HT and an extended HT, we put forward a separation method by detecting the straight lines and the sinusoids on the spectrogram, respectively. A computer simulation is given to illustrate the effectiveness of the proposed method.

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Geoscience and Remote Sensing, IEEE Transactions on  (Volume:46 ,  Issue: 1 )