Wideband Interference Suppression for SAR via Instantaneous Frequency Estimation and Regularized Time-Frequency Filtering.
Wenchang HanXueru BaiWeiwei FanLi WangFeng ZhouPublished in: IEEE Trans. Geosci. Remote. Sens. (2022)
Keyphrases
- instantaneous frequency
- spectrum sensing
- received signal
- signal to noise ratio
- synthetic aperture radar
- signal processing
- edge detection
- signal subspace
- sar images
- filtering algorithm
- fourier transform
- image reconstruction
- total least squares
- wavelet transform
- frequency band
- risk minimization
- frequency modulation
- multipath
- parameter estimation
- least squares
- sea ice
- multiscale
- filtering method
- noise reduction
- noisy images
- frequency domain
- objective function