Zobrazeno 1 - 10
of 146
pro vyhledávání: '"Along-track interferometry (ATI)"'
Autor:
Anis Elyouncha, Roland Romeiser
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 17, Pp 13908-13924 (2024)
A challenging effect in the retrieval of ocean surface currents from synthetic aperture radar (SAR) is the so-called wave-induced Doppler velocity. This effect arises from the correlation between the modulation of the normalized radar cross section (
Externí odkaz:
https://doaj.org/article/12354e5418414707b1eca24e15062780
Autor:
Qinghai Dong, Wei Li, Ruihua Shi, Ke Wang, Bingnan Wang, Chen Song, Chong Song, Maosheng Xiang
Publikováno v:
Remote Sensing, Vol 15, Iss 20, p 4913 (2023)
This paper presents a new two-stage approach for suppressing strong clutter and detecting moving targets using scatterers’ spatial structure and signal similarity. Compared with the traditional strong clutter suppression methods, the proposed metho
Externí odkaz:
https://doaj.org/article/30fdc37438c44c669c27e3d0ef05e9fa
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 15, Pp 9785-9795 (2022)
For applications such as high-precision current velocity field monitoring, Ka-band SAR has an important advantage in baseline configuration, which can be configured with dual antennas or more effective phase centers for a single satellite, forming om
Externí odkaz:
https://doaj.org/article/07ae77db090d4f308c964ab2697dbbd4
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 15, Pp 2425-2436 (2022)
This article presents the first direct comparison of the sea surface radial velocity (RVL) derived from the two satellite SAR systems Sentinel-1 and TanDEM-X, operating at different frequencies and imaging modes. The RVL is derived from the Doppler c
Externí odkaz:
https://doaj.org/article/33fb3eb5e53c489c95944927ddf94054
Autor:
Mamoon Rashid, Christoph H. Gierull
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 14, Pp 9597-9608 (2021)
This article provides a detailed presentation of the dual-aperture synthetic aperture radar (SAR) data processing scheme for the retrieval of ocean surface radial velocities.This scheme includes processing of raw SAR data, coregistration of along-tra
Externí odkaz:
https://doaj.org/article/b32ca89ff8524dbb99cf89d39617d732
Publikováno v:
IEEE Access, Vol 9, Pp 138385-138393 (2021)
Traditional deceptive jamming methods effectively generate false targets against three-channel synthetic aperture radar ground moving target indication (SAR GMTI). However, effectiveness of traditional methods is limited to azimuth distance between t
Externí odkaz:
https://doaj.org/article/c3e381760980459386b0f4921672c24e
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 13, Pp 987-997 (2020)
Nowadays, a worldwide database containing the historical and reliable data concerning the water surface speed of rivers is not available and would be highly desirable. In order to meet this requirement, the present work is aimed at the design of an e
Externí odkaz:
https://doaj.org/article/c6c109aa4ee744b9a5fd28b80119d9f6
Autor:
Ki-mook Kang, Duk-jin Kim
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 12, Iss 11, Pp 4379-4388 (2019)
Accurately tracking marine traffic considering security and commercial activities is still challenging despite its increasing global importance. Recently, space-borne synthetic aperture radar (SAR) is being considered to accurately monitor maritime t
Externí odkaz:
https://doaj.org/article/a2f536ff08f541218e23427d3b82d3f0
Publikováno v:
Remote Sensing, Vol 14, Iss 17, p 4135 (2022)
Wind wave-induced artifact surface velocity (WASV) is an important component of the sea surface motions detected by synthetic aperture radar (SAR) systems. Understanding the characteristics of the interference of WASV on SAR current velocity estimate
Externí odkaz:
https://doaj.org/article/0012e431ef08446aacd6db2ee5393aed
Publikováno v:
Sensors, Vol 22, Iss 7, p 2596 (2022)
Circular synthetic aperture radar (CSAR), which can observe the region of interest for a long time and from multiple angles, offers the opportunity for moving-target detection (MTD). However, traditional MTD methods cannot effectively solve the probl
Externí odkaz:
https://doaj.org/article/7582a8d703fb41bfa4277c250f038438