Zobrazeno 1 - 10
of 243
pro vyhledávání: '"spaceborne synthetic aperture radar"'
Publikováno v:
Leida xuebao, Vol 13, Iss 5, Pp 985-1003 (2024)
Spaceborne Synthetic Aperture Radar (SAR) systems are often subject to strong electromagnetic interference, resulting in imaging quality degradation. However, existing image domain-based interference suppression methods are prone to image distortion
Externí odkaz:
https://doaj.org/article/953fe17822644039a51933379d1c52ae
Autor:
Sangwon Kim, Dongkeun Lee, Youngju Park, Jeungmin Joo, Jongkyu Kim, Junghoon Kim, Jong-Hyeon Bang
Publikováno v:
IEEE Access, Vol 12, Pp 169388-169403 (2024)
Most studies on deceptive jamming for spaceborne synthetic aperture radar (SAR) rely on the modulation-retransmission (MR) mechanism. However, MR-based deceptive jamming has a limitation in terms of setting false target position because it performs j
Externí odkaz:
https://doaj.org/article/5a9947bf04b1414ba308d9d13126752b
Publikováno v:
IEEE Access, Vol 12, Pp 167575-167595 (2024)
In order to improve the signal-to-noise ratio (SNR) of spaceborne synthetic aperture radar for wide swath imaging, the technique SCan-On-REceive (SCORE) is always adopted to form a digital beam to track pulse echoes so as to improve the receiving gai
Externí odkaz:
https://doaj.org/article/4ed97a1ecbfe430ab12eeb96a2ea4841
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 17, Pp 17371-17381 (2024)
This study pioneers the investigation of synthetic aperture radar (SAR) imaging algorithm during the ascending and descending periods of highly elliptical orbit (HEO). SAR operating in HEO has the potential to enhance observation capabilities of high
Externí odkaz:
https://doaj.org/article/25dbec47c1814aa0bae7006ae2f9c37c
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 17, Pp 865-879 (2024)
Current signal processing for synthetic aperture radar (SAR) cannot satisfy the requirements for high resolution, high squint angle, and wide swath due to the limitations of the traditional stop-and-go model. This model does not take into account the
Externí odkaz:
https://doaj.org/article/6b228bccca57401cb54dfa7de02cc14b
Publikováno v:
Remote Sensing, Vol 16, Iss 22, p 4260 (2024)
With the continuous development of synthetic aperture radar (SAR) jamming technology, low-power maneuvering repeater jammers are now flexible and can be located on multiple unmanned aerial vehicles (UAVs) and unmanned vehicles (UVs) at the same time,
Externí odkaz:
https://doaj.org/article/9f6d86da19a649988f06ba7bfbb08109
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 16, Pp 9529-9538 (2023)
Multichannel spaceborne synthetic aperture radar (SAR) is a useful approach to overcome minimum antenna area constraint and achieve high-resolution and wide-swath imaging. For multichannel SAR imaging, the azimuth ambiguity is the principal problem,
Externí odkaz:
https://doaj.org/article/16735f03b61d4df2a6098ac11de01033
Autor:
Byung-Soo Kang
Publikováno v:
IEEE Access, Vol 11, Pp 54462-54475 (2023)
We have proposed a novel process flow for translational-invariant (TI) and ultrahigh-resolution (UHR) bistatic synthetic aperture radar (BSAR) operations, wherein a UHR BSAR image is obtained via coherent integration of sub-aperture images, and its t
Externí odkaz:
https://doaj.org/article/dda4e81c6d434494a6e24f0b4d60070c
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