Autofocus Correction of Azimuth Phase Error and Residual Range Cell Migration in Spotlight SAR Polar Format Imagery
Xinhua MaoDaiyin ZhuZhaoda ZhuPublished in: CoRR (2012)
Keyphrases
- synthetic aperture radar
- sar imagery
- sar data
- sar images
- radar signal
- error detection
- sea ice
- isar imaging
- error analysis
- image reconstruction
- automatic target recognition
- laser radar
- fourier transform
- fourier domain
- residual error
- wide range
- error bounds
- multiplicative noise
- error correction
- rotation invariant
- feedback loop
- frequency domain
- error rate
- parameter estimation
- maximum likelihood
- image data
- range data
- received signal
- image processing
- databases
- spatial domain
- polar coordinates
- multimedia
- metadata