Azimuth Migration-Corrected Phase Gradient Autofocus for Bistatic SAR Polar Format Imaging.
Yuxuan MiaoJunjie WuJianyu YangPublished in: IEEE Geosci. Remote. Sens. Lett. (2021)
Keyphrases
- synthetic aperture radar
- sar imaging
- inverse synthetic aperture radar
- sar images
- phased array
- synthetic aperture
- sar imagery
- radar signal
- image reconstruction
- sar data
- fourier transform
- parameter estimation
- automatic target recognition
- isar imaging
- fourier domain
- spectral estimation
- polar fourier
- speckle noise
- multiplicative noise
- phase history data
- maximum likelihood
- received signal
- edge detection
- rotation invariant
- frequency domain
- least squares
- image analysis
- metadata
- wavelet domain
- medical imaging
- gray level
- bit rate
- signal processing
- multiscale