Results 51 to 60 of about 1,320,226 (145)
IET Radar, Sonar &Navigation, Volume 20, Issue 1, January/December 2026.Airborne circular synthetic aperture radar (CSAR) has the ability of multiangle observation and high‐resolution imaging in remote sensing applications, but its imaging performance is often degraded by the platform motion error and terrain undulation error.
Hongtu Xie +3 more
wiley +1 more source
An Improved Imaging Algorithm for Multi-Receiver SAS System with Wide-Bandwidth Signal
Remote Sensing, 2021 When the multi-receiver synthetic aperture sonar (SAS) works with a wide-bandwidth signal, the performance of the range-Doppler (R-D) algorithm is seriously affected by two approximation errors, i.e., point target reference spectrum (PTRS) error and ...
Xuebo Zhang, Peixuan Yang
doaj +1 more source
The Potential Of Synthetic Aperture Sonar
, 2000 No abstracts are to be cited without prior reference to the author.This paper initially looks at the fundamental design constraints that limit the resolution capabilities of sea floor mapping using sidescan sonar.
Ronald McHugh (18442920)
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Diversity in Stable GANs: A Systematic Review of Mode Collapse Mitigation Strategies
Engineering Reports, Volume 7, Issue 6, June 2025.We provide a methodical understanding of the mode collapse issue in GANs for image‐to‐image translation, covering its root causes, implications, effectiveness of existing mitigation strategies and evaluation metrics while identifying open challenges.
Matthew Cobbinah +8 more
wiley +1 more source
Design and implementation of sensor fusion for the towed synthetic aperture sonar [PDF]
, 2007 For synthetic aperture imaging, position and orientation deviation is of great concern. Unknown motions of a Synthetic Aperture Sonar (SAS) can blur the reconstructed images and degrade image quality considerably.
Meng, Rui Daniel
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IEEE Journal of Selected Topics in Applied Earth Observations and Remote SensingSeabed characterization consists in the study of the physical and biological properties of the of ocean floors. Sonar is commonly employed to capture the acoustic backscatter reflected from the seabed.
Yoann Arhant +3 more
doaj +1 more source
CZT Algorithm for Multiple-Receiver Synthetic Aperture Sonar
IEEE Access, 2020 The compensation of slant range motion errors needs to be carried out after range pulse compression in the signal processing of multiple-receiver synthetic aperture sonar (SAS).
Mengbo Ma, Jinsong Tang, Heping Zhong
doaj +1 more source
IET Radar, Sonar &Navigation, Volume 18, Issue 11, Page 2044-2056, November 2024.High resolution sonar imagery are analysed using a mixture model consisting of K distributions. The number of K distributions is chosen using several model selection techniques and compared with the authors own interpretation of the data. Abstract In quantitative analysis of seafloor scattering measurements, it is common to model the single‐point ...
Derek R. Olson, Marc Geilhufe
wiley +1 more source
Seafloor imagery with an advanced imaging sonar system
Frontiers in Marine ScienceThe mapping swath and along-track resolution can be simultaneously enhanced by using multireceiver synthetic aperture sonar (SAS). Unfortunately, the SAS parameters, including the pulse repetition frequency, SAS moving velocity, and the along-track ...
Lili Zhang +4 more
doaj +1 more source
A CTFM synthetic aperture sonar
, 1989 This thesis describes the theory and operation of a seafloor imaging Synthetic Aperture Sonar (SAS), based on broadband Continuous Tone Frequency Modulation (CTFM). Narrowband synthetic aperture techniques are reviewed, and some of the limitations of
Hayes, Michael P.
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