The phase gradient autofocus (PGA) algorithm has seen widespread use and success
within the synthetic aperture radar (SAR) imaging community. However, its use and success …

In this paper, we consider a multistatic synthetic aperture radar (SAR) imaging scenario
where a swarm of airborne antennas, some of which are transmitting, receiving or both, are …

In this article, a new interpretation of the polar format algorithm (PFA) for general bistatic
spotlight synthetic aperture radar (SAR) imaging is presented. From the viewpoint of 2-D …

In this paper we present a multistatic autofocussing approach, based on the optimization of
the image contrasts in multiple received images. Other than monostatic algorithms, this …

Recently, we developed a generalized phase gradient autofocus (GPGA) algorithm for
performing synthetic aperture radar (SAR) autofocus over arbitrary flight paths, including …

Modern communication systems provide myriad opportunities for passive radar applications.
OFDM is a popular waveform used widely in 4G wireless communication networks …

In this work, the problems of signal processing in passive radars that utilise noncooperative
ground-and/or satellite-based pulse radar transmitters as illuminators of opportunity are …

Passive radar systems typically piggyback on illuminators of opportunity, whose bandwidths
are typically smaller and whose frequencies are significantly lower than that of typical active …

针对外辐射源信号特点, 考虑相位误差对成像性能的不良影响, 提出了基于压缩感知联合稀疏
孔径自聚焦的无源雷达成像方法. 利用不同载频外辐射源信号在不同转角下的点扩散函数构造 …

Synthetic aperture radar (SAR) provides a means of producing high-resolution microwave
images using an antenna of small size. SAR images have wide applications in surveillance …