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Detection and Imaging of Aerial Moving Targets Based on Spaceborne SAR
- Source :
- 2006 CIE International Conference on Radar.
- Publication Year :
- 2006
- Publisher :
- IEEE, 2006.
-
Abstract
- According to the characteristic that the bandwidth of spaceborne SAR is generally quite wide, a new method called "Sub-band Double Carrier Frequency Conjugated Processing" is presented in this paper. The approach can decrease the equivalent central frequency of the synthetic signal and remove the Doppler ambiguity. Consequently, Keystone transform can be used to correct the linear range migration of the fast moving targets with low input SNR. After the target range curvature is corrected, time-frequency analysis can be used to implement low resolution imaging and targets detecting. The radial velocities of the targets can be obtained from targets detection, and high resolution imaging process can be completed to each moving target. The simulation results show the effectiveness of the new method.
- Subjects :
- Synthetic aperture radar
Radar tracker
business.industry
Computer science
fungi
Doppler radar
Bandwidth (signal processing)
food and beverages
law.invention
Time–frequency analysis
symbols.namesake
law
Radar imaging
symbols
Computer vision
Artificial intelligence
business
Image resolution
Doppler effect
Computer Science::Databases
Remote sensing
Subjects
Details
- Database :
- OpenAIRE
- Journal :
- 2006 CIE International Conference on Radar
- Accession number :
- edsair.doi...........57855808400429e015edb5e8c3223374