The stepped-frequency synthetic aperture radar (SFSAR) has been widely used to obtain
high-range-resolution image. Combining the sub-band echoes to form a wideband signal is …

ABSTRACT A novel imaging first and synthesizing later (IFSL) synthetic bandwidth method
for stepped-frequency synthetic aperture radar is proposed in this article to compensate the …

The application of stepped frequency waveform in synthetic aperture radar (SAR) can
greatly reduce the hardware requirements, while obtaining high range resolution. However …

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 …

Stepped-frequency subpulse signals are widely used to obtain ultra-high range resolution.
The stepped-frequency subpulse signals can be combined to one single signal with high …

For the drawbacks of the synthetic bandwidth method based on time-domain back
projection, a novel synthetic bandwidth method based on frequency-domain back projection …

High range resolution of synthetic aperture radar (SAR) can be obtained by using the
stepped-frequency technique, but it is still a problem how spectrum reconstruction methods …

Abstract Synthetic Aperture Radar (SAR) using multiple transmit-receive apertures can
obtain wider swath and higher spatial resolution. In this paper, intersection of frequency …

A new high-resolution airborne synthetic aperture radar (SAR) system utilizing stepped
frequency technique is investigated, and a novel high-resolution stepped frequency SAR …

The use of a frequency-agile waveform is proposed as a way of providing significantly
increased bandwidth for a stepped frequency continuous wave (SF-CW) SAR, than is …