High-Resolution ISAR Imaging Under Low SNR With Sparse Stepped-Frequency Chirp Signals.
Feng ZhouXudong TianYue WangXu WangXueru BaiPublished in: IEEE Trans. Geosci. Remote. Sens. (2021)
Keyphrases
- low snr
- instantaneous frequency
- isar imaging
- high resolution
- weak signal
- low signal to noise ratio
- frequency modulation
- fractional fourier transform
- high frequency
- noise model
- low resolution
- low frequency
- super resolution
- inverse synthetic aperture radar
- fourier transform
- signal processing
- remote sensing
- random noise
- high dimensional
- image processing
- high quality
- noise level
- amplitude modulation
- image restoration
- motion estimation