Zobrazeno 1 - 10
of 146
pro vyhledávání: '"Xichao Dong"'
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 17, Pp 5847-5863 (2024)
Geosynchronous synthetic aperture radar (GEO SAR) has the advantages of a short revisit time and a large beam footprint. Enhancing spatial resolution has become a hotspot in spaceborne SAR research areas. The existing designs of GEO SAR suffer from t
Externí odkaz:
https://doaj.org/article/a1e6447faf9942eb932e7bbf7a21c865
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 17, Pp 4368-4378 (2024)
Geosynchronous (GEO) spaceborne-airborne bistatic synthetic aperture radar, consisting of a GEO transmitter and an airborne multichannel receiver, is a potential moving target indication (MTI) system. However, such systems encounter synchronization c
Externí odkaz:
https://doaj.org/article/66367cd9f95f446e9ce8b3485a4900d9
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 17, Pp 95-108 (2024)
Differential synthetic aperture radar tomography (D-TomoSAR) uses multiple SAR acquisitions at different times to form an elevation-time 2-D synthetic aperture, enabling recovery of the target's 3-D structure and deformation velocity. However, the im
Externí odkaz:
https://doaj.org/article/231b999546be4211a9b9593041f84feb
Publikováno v:
Open Ceramics, Vol 15, Iss , Pp 100430- (2023)
Liquid polymeric precursors have found wide applications as a matrix source for continuous fiber reinforced ceramic matrix composites (CMCs) because of their excellent fluidity and high ceramic yield. In the present study, a processable liquid single
Externí odkaz:
https://doaj.org/article/8818bb1e796b484fb804e3556cc89dae
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 16, Pp 7690-7703 (2023)
Inverse synthetic aperture radar (ISAR) imaging for noncooperative targets with complex translational motion (TM) and 3-D rotational motion (RM) face the problem of spatial-variant (SV) and high-order phase modulation. The existing ISAR technique can
Externí odkaz:
https://doaj.org/article/2d7effbfd6ff4ea7bccc627712dd197a
Publikováno v:
Remote Sensing, Vol 15, Iss 12, p 3188 (2023)
The solid-state transmitters are widely adopted for weather radars, where pulse compression is operated to provide the required sensitivity and range resolution. Therefore, effective sidelobe suppression strategies must be employed, especially for we
Externí odkaz:
https://doaj.org/article/d9977210029442d5be8211159a5e67f4
Publikováno v:
Fundamental Research, Vol 1, Iss 3, Pp 346-363 (2021)
Based on its ability to obtain two-dimensional (2D) high-resolution images in all-time and all-weather conditions, spaceborne synthetic aperture radar (SAR) has become an important remote sensing technique and the study of such systems has entered a
Externí odkaz:
https://doaj.org/article/c8151d510b564607b49b4b112d420eef
Publikováno v:
IEEE Access, Vol 7, Pp 143090-143096 (2019)
The sub-satellite track of geosynchronous synthetic aperture radar (GEO SAR) presents the figure “8” or “O”, which causes the great changes of platform motion direction and the different projection of anisotropic irregularities along the line
Externí odkaz:
https://doaj.org/article/1c92dcdcac3a45178474d1190a4730ef
Publikováno v:
Remote Sensing, Vol 14, Iss 13, p 3048 (2022)
Due to the short revisit time and large coverage of Geosynchronous synthetic aperture radars (GEO SARs) and the increasing number of low earth orbit synthetic aperture radar (LEO SAR) constellations, radio frequency interference (RFI) between GEO SAR
Externí odkaz:
https://doaj.org/article/1a5a956267ce44058a4952b8b5b399ca
Publikováno v:
Remote Sensing, Vol 14, Iss 3, p 593 (2022)
A geosynchronous spaceborne-airborne bistatic synthetic aperture radar (GEO SA-BSAR) system is an important technique to achieve long-time moving target monitoring over a wide area. However, due to special bistatic configuration of GEO SA-BSAR, two m
Externí odkaz:
https://doaj.org/article/8384047d9f644820a0e33c6f44ae967c