Full-aperture processing of airborne microwave photonic SAR raw data
At present, the resolution of the most advanced airborne microwave photonic synthetic
aperture radar (SAR) can reach the order of centimeters or even millimeters, so the 2-D …
aperture radar (SAR) can reach the order of centimeters or even millimeters, so the 2-D …
A processing framework for airborne microwave photonic SAR with resolution up to 0.03 m: Motion estimation and compensation
Airborne synthetic aperture radar (SAR) with an imaging resolution of up to 0.03 m is
developed. However, the imaging process suffers from motion errors with 2-D spatial-variant …
developed. However, the imaging process suffers from motion errors with 2-D spatial-variant …
Microwave photonic SAR high-precision imaging based on optimal subaperture division
Microwave photonic synthetic aperture radar (MWP-SAR) offers a larger signal bandwidth
than conventional SAR, and its theoretical resolution can be improved to centimeter level. To …
than conventional SAR, and its theoretical resolution can be improved to centimeter level. To …
Precise focusing of airborne SAR data with wide apertures large trajectory deviations: A chirp modulated back-projection approach
D Meng, D Hu, C Ding - IEEE Transactions on Geoscience and …, 2014 - ieeexplore.ieee.org
In the area of airborne synthetic aperture radar (SAR), motion compensation (MOCO) is a
crucial technique employed to correct the SAR data affected by nonlinear platform trajectory …
crucial technique employed to correct the SAR data affected by nonlinear platform trajectory …
Motion compensation/autofocus in airborne synthetic aperture radar: A review
Air-and spaceborne synthetic aperture radar (SAR) can provide a large number of high-
resolution images for microwave remote sensing applications, such as geoscience and …
resolution images for microwave remote sensing applications, such as geoscience and …
Image defocus in an airborne UWB VHR microwave photonic SAR: Analysis and compensation
W Xu, B Wang, M Xiang, R Li… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
With the exploration of synthetic aperture radar (SAR), the requirements for its functionality,
precision, and response time are inevitably increasing, in which the technical core is the …
precision, and response time are inevitably increasing, in which the technical core is the …
Time-domain autofocus for ultrahigh resolution SAR based on azimuth scaling transformation
For ultrahigh resolution synthetic aperture radar (SAR), azimuth spectrum aliasing limits the
application of frequency-domain autofocus algorithms. Therefore, time-domain autofocus …
application of frequency-domain autofocus algorithms. Therefore, time-domain autofocus …
A less-memory and high-efficiency autofocus back projection algorithm for SAR imaging
K Hu, X Zhang, S He, H Zhao… - IEEE Geoscience and …, 2014 - ieeexplore.ieee.org
The back projection (BP) algorithm is an accurate time-domain imaging method for synthetic
aperture radar. However, the influences of wind field and turbulence on the platform make …
aperture radar. However, the influences of wind field and turbulence on the platform make …
New applications of omega-K algorithm for SAR data processing using effective wavelength at high squint
A novel method to obtain the formulations of the return signals in the 2-D frequency domain
for both monostatic and bistatic synthetic aperture radar (SAR) is proposed. In this study, the …
for both monostatic and bistatic synthetic aperture radar (SAR) is proposed. In this study, the …
Modifications on multichannel reconstruction algorithm for SAR processing based on periodic nonuniform sampling theory and nonuniform fast Fourier transform
The next generation of space-borne synthetic aperture radar (SAR) systems will emphasize
on high-resolution and wide-swath imaging. For these design goals, multichannel …
on high-resolution and wide-swath imaging. For these design goals, multichannel …