| Paper: | SAM-L3.6 | ||
| Session: | Multichannel Signal Processing for Radar and Sonar | ||
| Time: | Friday, May 21, 17:10 - 17:30 | ||
| Presentation: | Lecture | ||
| Topic: | Sensor Array and Multichannel Signal Processing: Synthetic aperature methods | ||
| Title: | MOTION CORRECTION IN SYNTHETIC APERTURE RADAR USING SUBAPERTURE TECHNIQUES | ||
| Authors: | Zhonghou Zheng; Shanghai Jiaotong University | ||
| Xingzhao Liu; Shanghai Jiaotong University | |||
| Zhixin Zhou; Beijing Institute of Remote Sensing | |||
| Abstract: | Motion correction is required in airborne synthetic aperture radar to generate high quality images. This paper proposes a new motion compensation method based on subaperture techniques which better approximates the space variant of compensation kernel. Motion errors are averaged and added to the system parameters. Only residue errors remain to be corrected. The subaperture images are compensated independently and added together coherently in the final step to generate a fine resolution image. Simulation results show that the new method outperforms the full aperture compensation methods, especially in the circumstances of large motion errors. | ||
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