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THREE-DIMENSIONAL IMAGING TECHNIQUE OF SHIP TARGETS WITH MONOPULSE RADAR |
Ma Changzheng;Zhang Shouhong |
Key Lab.for Radar Signal Processing, Xidian University, Xi’an 710071 |
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Abstract Monopulse radar three-dimensional(3-D)images coincide with targets'size,but ISAR imaging does not hold,which is importantin precision guidance.The movement character of ship targets and the Doppler frequency induced by targets'3-D rotation are analysed,and dechirping technique to separate scatterers in coherent processing interval is proposed.For angle glint induced in angle measurement by monopulse radar,a method for processing such case is achieved.Simulation results show the high quality of monopulse 3-D images.
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Received: 08 October 1998
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