Zobrazeno 1 - 10
of 250
pro vyhledávání: '"Zegang Ding"'
Autor:
Zegang DING, Tao SUN, Zhen WANG, Jian ZHAO, Yipeng SHI, Haolong CHEN, Zhizhou CHEN, Yan WANG, Tao ZENG
Publikováno v:
Leida xuebao, Vol 13, Iss 1, Pp 97-115 (2024)
Interferometric Synthetic Aperture Radar (InSAR) enables the efficient retrieval of surface elevation and has extensive applications in terrain mapping. Dual/multi-channel InSAR techniques utilize the differences in the elevation ambiguity of differe
Externí odkaz:
https://doaj.org/article/eb91b097c78c430aa1806521e60ee47e
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 17, Pp 9651-9663 (2024)
Lunar tidal deformation (LTD), characterized by the vertical (${{{\bm{h}}}_2}$) and horizontal (${{{\bm{l}}}_2}$) displacement Love numbers, is a key to deciphering the interior structure of the Moon. However, the small deformation amplitude of only
Externí odkaz:
https://doaj.org/article/cd9d6d83194b4aedb1b0bc7d93a9cc32
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 17, Pp 3742-3754 (2024)
Frequency stepping is a widely used technique for ultrahigh-resolution synthetic aperture radar (SAR). Although reducing the burden of hardware, this technique increases the complexity of imaging algorithms due to the intersubband time offsets and in
Externí odkaz:
https://doaj.org/article/e953fe383ea4472e8a97a29d10876915
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:
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:
IET Radar, Sonar & Navigation, Vol 15, Iss 9, Pp 1096-1111 (2021)
Abstract The dechirp‐receiving radar measures range by the frequency difference between the target echo and the reference signal. It can operate at a low sampling frequency while transmitting a wideband signal, which simplifies the radar hardware.
Externí odkaz:
https://doaj.org/article/263d1cc1a15048b49f395ee1526842f8
Publikováno v:
Leida xuebao, Vol 10, Iss 3, Pp 327-341 (2021)
Under the constraints of the point scattering model, traditional Synthetic Aperture Radar (SAR) imaging algorithms can be regarded as a mapping from data space to image space. However, most objects in the real scene are extended targets, which are mi
Externí odkaz:
https://doaj.org/article/27c3f90e9427476185550fa20f9b79e0
Publikováno v:
Remote Sensing, Vol 15, Iss 9, p 2459 (2023)
Due to its rapid deployment, high-flexibility, and high-accuracy advantages, the unmanned-aerial-vehicle (UAV)-based differential synthetic aperture radar (SAR) tomography (D-TomoSAR) technique presents an attractive approach for urban risk monitorin
Externí odkaz:
https://doaj.org/article/47d39fba9225418d8204e470a89a5276
Publikováno v:
Remote Sensing, Vol 15, Iss 8, p 2158 (2023)
Severe phenomena of across range-Doppler unit (ARDU) and decoherence occur when radar detects high-speed and high-maneuvering targets, causing degradation in detection performance of traditional FFT radar detection methods. The improvement in radar r
Externí odkaz:
https://doaj.org/article/455781428ca3410f89b3c1f200f3e15a
Publikováno v:
Remote Sensing, Vol 14, Iss 20, p 5159 (2022)
Traditional synthetic aperture radar (SAR) autofocusing methods are based on the point-scattering model, which assumes the scattering phases of a target to be a constant. However, as for the distributed target, especially the arc-scattering target, t
Externí odkaz:
https://doaj.org/article/ad334017200642b98c76636c713b8abf