Zobrazeno 1 - 10
of 26
pro vyhledávání: '"Tianzhu Yi"'
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 17, Pp 7104-7123 (2024)
Given its capacity to generate 2-D fine images of observation areas, very high resolution (VHR) synthetic aperture radar (SAR) has become increasingly popular in myriad fields, including remote sensing, geoscience, and surveillance. In this article,
Externí odkaz:
https://doaj.org/article/579b1cb96f81498d99c44f548bccd692
Autor:
Yan WANG, Lihong KANG, Jie LIU, Hui KUANG, Hanwei SUN, Ke CHEN, Xuan WANG, Haifeng YU, Xilong SUN, Pengnan ZHENG, Shuhao LIU, Tianzhu YI, Lei LIU, Heli GAO, Bing SUN, Running ZHANG, Zegang DING
Publikováno v:
Leida xuebao, Vol 11, Iss 6, Pp 1131-1145 (2022)
Spaceborne Synthetic Aperture Radar (SAR) can achieve various performance combinations of resolution and observation bandwidth by adjusting the working modes. The imaging swath of the traditional spaceborne SAR working mode is along the satellite orb
Externí odkaz:
https://doaj.org/article/725cee9fe5bc4cbda351b7c7273aafa9
Publikováno v:
Remote Sensing, Vol 13, Iss 16, p 3291 (2021)
Video synthetic aperture radar (VideoSAR) can detect and identify a moving target based on its shadow. A slowly moving target has a shadow with distinct features, but it cannot be detected by state-of-the-art difference-based algorithms because of mi
Externí odkaz:
https://doaj.org/article/1226bd99231441dca1e216603a785d45
Publikováno v:
Remote Sensing, Vol 13, Iss 15, p 3012 (2021)
The video synthetic aperture radar (ViSAR) is a new application in radar techniques. ViSAR provides high- or moderate-resolution SAR images with a faster frame rate, which permits the detection of the dynamic changes in the interested area. A moving
Externí odkaz:
https://doaj.org/article/fa7e5eed21d24117978ae0d2c9d76c92
Publikováno v:
Remote Sensing, Vol 11, Iss 22, p 2677 (2019)
VideoSAR (Video Synthetic Aperture Radar) technology provides an important mean for real-time and continuous earth observation, whereas the ever-changing scattering characteristics may destroy the accuracy of target motion perception and bring in mas
Externí odkaz:
https://doaj.org/article/00b22fb2ec9540948c1a236a4cf7aa2d
Publikováno v:
Remote Sensing, Vol 11, Iss 21, p 2544 (2019)
The use of electronically steered antennas in the azimuth dimension typically leads to a staircase-like antenna beam steering law in the Terrain Observation by Progressive Scan (TOPS) wide-swath synthetic aperture radar (SAR) data acquisition mode, w
Externí odkaz:
https://doaj.org/article/8216f18b6323434191c663b015a2bcf7
Publikováno v:
Remote Sensing, Vol 11, Iss 16, p 1874 (2019)
The high-resolution low frequency synthetic aperture radar (SAR) has serious range-azimuth phase coupling due to the large bandwidth and long integration time. High-resolution SAR processing methods are necessary for focusing the raw data of such rad
Externí odkaz:
https://doaj.org/article/bcb6d4985c88427fa0c8179c2bdd81ca
Publikováno v:
Remote Sensing, Vol 10, Iss 7, p 1124 (2018)
Motion error is one of the most serious problems in airborne synthetic aperture radar (SAR) data processing. For a smoothly distributing backscatter scene or a seriously speed-varying velocity platform, the autofocusing performances of conventional a
Externí odkaz:
https://doaj.org/article/c229575d027e4704a3050fed2d5b85d2
Publikováno v:
Sensors, Vol 17, Iss 11, p 2568 (2017)
This paper presents a modified approach for high-resolution, highly squint synthetic aperture radar (SAR) data processing. Several nonlinear chirp scaling (NLCS) algorithms have been proposed to solve the azimuth variance of the frequency modulation
Externí odkaz:
https://doaj.org/article/71dc129a9ec9463f855496f89280816c
Publikováno v:
Sensors, Vol 17, Iss 6, p 1237 (2017)
This paper presents an efficient and precise imaging algorithm for the large bandwidth sliding spotlight synthetic aperture radar (SAR). The existing sub-aperture processing method based on the baseband azimuth scaling (BAS) algorithm cannot cope wit
Externí odkaz:
https://doaj.org/article/f7e96913d923434682231f82d7981aab