Results 151 to 160 of about 380 (188)

Creek‐imposed gradients reshape plant allometric traits and sediment retention in a salt marsh

Ecosphere, Volume 17, Issue 6, June 2026.
Abstract Tidal creeks impose strong hydrological and geomorphic gradients that shape plant traits and sediment dynamics in salt marshes. However, how creek‐imposed gradients reorganize plant allometric strategies and how these trait shifts regulate sediment retention remain poorly quantified.
Guang‐Cheng Cheng, Qing He, Quan‐Xing Liu   +2 more
wiley   +1 more source

Toxicological Evaluation of the Roots of Ficus pandurata Hance var. angustifolia Cheng

Food Science &Nutrition, Volume 14, Issue 6, June 2026.
Toxicological evaluation of the roots of Ficus pandurata Hance var. angustifolia Cheng for safe utilization. Two‐year‐old RFPH roots were prepared as an aqueous extract powder, with 1 g equivalent to 30 g of raw material. Acute oral toxicity, genotoxicity, teratogenicity, and 90‐day repeated‐dose oral toxicity tests were performed in SD rats and ICR ...
Yamin Chen, Zhijing Fu, Fangfang Ma, Siyuan Wang, Junjie Pan, Huaxing Luo, Zhen Liu, Jianguo Chen, Jingjin Hu, Yangjunna Zhang, Kejun Cheng, Ye Jin, Xuefeng Qu   +12 more
wiley   +1 more source

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Multichannel Sliding Spotlight SAR Imaging: First Result of GF-3 Satellite

IEEE Transactions on Geoscience and Remote Sensing, 2020
This paper demonstrates the first experiment of Gaofen-3 (GF-3) satellite operated in dual-channel sliding spotlight mode. First, the raw data of two channels need to be preprocessed, including channel error correction and signal reconstruction, so that it can be focused by the subsequent conventional single-channel sliding spotlight mode imaging ...
Tingzhu Fang, Yunkai Deng, Da Liang, Lei Zhang 0193, Heng Zhang 0007, Huaitao Fan, Weidong Yu   +6 more
openaire   +1 more source

The preliminary results about positioning accuracy of GF-3 SAR satellite system

2017 IEEE International Geoscience and Remote Sensing Symposium (IGARSS), 2017
GF-3 is the Chinese Synthetic Aperture Radar (SAR) satellite mission with scientific and commercial applications, which was launched in August, 2016. In this paper, various error sources about system position are analyzed based on real data of GF-3 satellite. The results show that satellite positioning accuracy is less than 4m.
Jiayin Liu, Bing Han 0011, Chibiao Ding, Dadi Meng, Fangfang Li 0001   +4 more
openaire   +1 more source

Study on geo-location of sliding spotlight mode of GF-3 satellite

2015 IEEE 5th Asia-Pacific Conference on Synthetic Aperture Radar (APSAR), 2015
GF-3 is the Chinese Synthetic Aperture Radar (SAR) satellite mission with scientific and commercial applications, which will be launched in 2016. It allows operation in Stripmap, ScanSAR and Sliding Spotlight modes in different polarizations. The Sliding Spotlight Mode is a new imaging mode widely used in high resolution SAR imaging.
Jiayin Liu, Xiaolan Qiu, Bing Han, Dengjun Xiao   +3 more
openaire   +1 more source

The Dual-Aspect Geometric Terrain Correction Method Using GF-3 Satellite Data

IGARSS 2019 - 2019 IEEE International Geoscience and Remote Sensing Symposium, 2019
The GF-3 satellite is the first full-polarization SAR satellite in China, which operates in the C band with a resolution of 1m. This paper presents a dual-aspect geometric terrain correction method to overcome the inherent shortages of SAR image such as foreshortening, shadow and layover.
Jiayin Liu, Xiaolan Qiu, Baoquan Zhang, Feng Wang 0019, Lei Liu   +4 more
openaire   +1 more source

An ISAR Approach for Refocusing the Maritime Moving Targets With the GF-3 SAR Satellite

2019 6th Asia-Pacific Conference on Synthetic Aperture Radar (APSAR), 2019
Moving ship targets are always defocused in synthetic aperture radar (SAR) images under the influence of self-motion and sea waves. Inverse SAR (ISAR) technique is commonly used to focus non-cooperative targets by motion compensation. A novel refocusing method, improved rank one phase estimation (IROPE), is proposed in this paper.
Zhishuo Yan, Yi Zhang, Robert Wang, Heng Zhang, Weidong Yu   +4 more
openaire   +1 more source

GF-3 data real-time processing method based on multi-satellite distributed data processing system

Journal of Central South University, 2020
Due to the limited scenes that synthetic aperture radar (SAR) satellites can detect, the full-track utilization rate is not high. Because of the computing and storage limitation of one satellite, it is difficult to process large amounts of data of spacebome synthetic aperture radars.
Jun Yang, Yan-dong Cao, Guang-cai Sun, Meng-dao Xing, Liang Guo   +4 more
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Automated ortho-rectified SAR image of GF-3 satellite using Reverse-Range-Doppler method

2016 IEEE International Geoscience and Remote Sensing Symposium (IGARSS), 2016
GF-3 is the Chinese Synthetic Aperture Radar (SAR) satellite mission with scientific and commercial applications, which will be launched in 2016. The ortho-rectification image combined with the DEM data can only be satisfied with the applications of the high resolution radar image, the data quantity with wide-breadth also put forward higher request to ...
Jiayin Liu, Xiaolan Qiu, Wen Hong
openaire   +1 more source

Study on characteristics of internal solitary waves in the Malacca Strait based on Sentinel-1 and GF-3 satellite SAR data

Acta Oceanologica Sinica, 2020
The study of the characteristics of internal solitary waves happened in the Malacca Strait is an urgent problem for submarine, ship navigation and marine engineering. Based on SAR remote sensing data obtained from the high spatial resolution Sentinel-1 and GF-3, the internal solitary wave characteristics of the Malacca Strait are investigated.
Jing Ning, Lina Sun, Haiji Cui, Kexiao Lu, Jing Wang   +4 more
openaire   +1 more source