This paper demonstrates the use of stepped-frequency waveforms to obtain high resolution
SAR images without imposing severe instantaneous bandwidth requirements on the radar …

This paper introduces a novel extension to the range-Doppler algorithm to accommodate the
processing of synthetic aperture radar data with severe range curvature. The extension …

A stream-lined precision processor has been developed for the CARABAS-II HF/VHF-band
SAR system. The authors describe the basic system characteristics, the normal waveform …

Subsequent received pulses with different centre frequencies can be combined after A/D
conversion to one single long response with very high bandwidth. This method can be …

A novel frequency domain stepped frequency processing (FD-SFP) technique to obtain high
radar range resolution was developed by AJ Wilkinson in 1997. Range resolution is directly …

The stepped-frequency waveform is used to obtain large effective bandwidth for high range
resolution by transmitting the pulses with sequentially changing carrier frequency, so that is …

The character of ultra wide band (UWB) synthetic aperture radar (SAR) data acquired from
an airborne platform invalidates most conventional SAR batch processing algorithms. This …

This paper demonstrates a method to produce high resolution SAR images using stepped-
frequencies. An advantage of the stepped-frequency approach is the reduction of the …

We show that the performance of future high-resolution SAR modes will be limited by
anomalous propagation effects, rather than by platform measurement errors, or focusing …

When one attempts to image a large area while maintaining high resolution, ambiguities
often appear. This occurs when the number of pixels exceeds the number of measurements …