China

As you sip a cup of tea, particularly tea from east China’s Fujian Province, two remote sensing satellites in orbit are monitoring the tea planting and maintenance. The two satellites, both launched in 2022, can obtain the images with a resolution higher than 0.5 meters and a width of 15 km. They serve the tea-producing ...

In a study published in Scientific Data, researchers from the Aerospace Information Research Institute of the Chinese Academy of Sciences unveiled the most detailed dataset to date, illuminating the complex network of water bodies sprawled across the Qinghai-Xizang Plateau. This dataset, openly available in figshare, paints a holistic picture by furnishing a high-resolution map of ...

Global navigation satellite system reflectometry (GNSS-R) is emerging as a pivotal technology in remote sensing due to its ability to provide high-precision, real-time data under all weather conditions. Traditionally, the GNSS has been utilized for positioning, navigation, and timing. However, recent advancements have demonstrated its efficacy in environmental monitoring through scatterometry and reflectometry. GNSS-R capitalizes ...

Chinese internet search giant Baidu will provide Tesla with mapping software for its electric vehicles (EVs), paving the way for the US carmaker to launch its Full Self-Driving (FSD) system on the mainland. Version 20 of Baidu Maps, a desktop and mobile web-mapping application released in April, will soon be available on Tesla’s EVs, the ...

China sent a new set of four Beijing-3 optical remote sensing satellites into orbit late Sunday. A Long March 2D rocket lifted off at 11:06 p.m. Eastern, May 19 (0306 UTC, May 20), from the Taiyuan Satellite Launch Center, north China. The China Aerospace Science and Technology Group (CASC) confirmed launch success within an hour ...

The new Tandem Dual-Antenna Spaceborne Synthetic Aperture Radar (SAR) Interferometry (TDA-InSAR) system, addresses the limitations of current spaceborne Synthetic Aperture Radar (SAR) systems by providing a more reliable and efficient method for 3D surface mapping. The system’s innovative design allows for single-pass acquisitions, significantly reducing the time required for data collection and enhancing the precision ...

A research team has recently published a comprehensive review on the innovative integration of spectral data and phylogeographic patterns to study plant genetic variation. The findings demonstrate the effectiveness of remote sensing technology in identifying and analyzing genetic variations in plants across different geographical regions. This methodology not only deepens our understanding of plant diversity ...

Satellite laser ranging (SLR) is one of the space geodetic techniques that uses lasers to measure the distance between ground stations and satellites with retroreflectors. This precise measurement provides critical data for determining the geocenter motion, terrestrial scale and Earth Rotation Parameters (ERP)—parameters fundamental to the International Terrestrial Reference Frame (ITRF). In an innovative study ...

Researchers have developed a compact and lightweight single-photon airborne lidar system that can acquire high-resolution 3D images with a low-power laser. This advance could make single-photon lidar practical for air and space applications such as environmental monitoring, 3D terrain mapping and object identification. Single-photon lidar uses single-photon detection techniques to measure the time it takes ...

OInstituto Nacional de Pesquisas Espaciais (INPE), e China Academy of Space Technology (CAST) participam da 19ª reunião do Comitê de Projetos Conjuntos (JPC – sigla em inglês). Estiveram presentes nesta reunião vários Coordenadores e especialistas do INPE e representantes de diversos setores da CAST. Iniciando a reunião, o Diretor Clezio Marcos De Nardin deu as ...

A team of researchers has unveiled a novel approach to accurately characterizing tree height composition in forests using the Global Ecosystem Dynamics Investigation (GEDI) Light Detection and Ranging (LiDAR) technology. This study marks a significant advancement in our understanding of forest ecosystems, shedding light on the intricacies of tree height variability and its implications for ...

SingularXYZ has presented its latest innovation for geospatial professionals: the X1 Pro GNSS receiver. This new device aims to refine precision in surveying technology with a range of features tailored to streamline operations and improve accuracy. Central to the X1 Pro is its enhanced HD colour screen, providing users with clear visibility for monitoring status ...

Wildfires present complex socio-economic and ecological challenges, as they devastate vegetation, endanger communities, and cause extensive environmental, wildlife, and human health impacts. These consequences include severe air pollution and soaring firefighting costs. Wildland-Urban Interface (WUI) areas, which are transition zones between wilderness and human-developed land, are particularly susceptible to wildfires. The risk is heightened due ...

Indoor positioning is transforming with applications demanding precise location tracking. Traditional methods, including fingerprinting and sensor-based techniques, though widely used, face significant drawbacks, such as the need for extensive training data, poor scalability, and reliance on additional sensor information. Recent advancements have sought to leverage deep learning, yet issues such as low scalability and high ...

Recent research highlights a significant rise in Southwest China’s aboveground carbon levels between 2013 and 2021, showcasing the area’s capacity to counterbalance the negative impacts of severe droughts. This development emphasizes the vital role of Southwest China as a carbon sink, attributed to substantial ecological efforts and the deployment of cutting-edge remote sensing methodologies. For ...

Scientists led by the China Agricultural University have created a national-scale map and dataset of ground-mounted PV power stations in China. The data is based on Sentinel-2 imagery from 2020 and has a spatial resolution of 10 meters. According to the researchers, the publicly available data set can assist capacity estimation and prediction tasks, site ...

According to the Chinese media outlet Sina Tech, Ant Group has launched a 2 billion parameter multimodal remote sensing base model called SkySense. This is the latest research achievement of Ant’s Bailing large model in the multimodal field, and its paper has been accepted by the top computer vision conference CVPR 2024. SkySense can be ...

The Egyptian Space Agency (EgSA) has launched its NexSat-1 satellite into orbit aboard Jielong-3 (Smart Dragon-3), China’s small orbital launch vehicle and has subsequently established communications with the satellite. The microsatellite weighs 67 kilograms, and it features a panchromatic imaging payload with 5.7 meters of ground resolution. EgSA’s CEO, Dr Sherif Sedky, announced the launch ...

GNSS provide invaluable positioning data for countless applications, from everyday navigation to scientific research. Tropospheric delays, caused by the refractive properties of the atmosphere, significantly impact the accuracy of GNSS positioning. The standard practice of multiplying Zenith Tropospheric Delay (ZTD) by a Mapping Function (MF) to derive SPD operates under an assumption of atmospheric isotropy, ...

On January 18, 2024, Baidu (Google of China) and Huawei signed an ecological cooperation agreement focusing on navigation, Advanced Driver Assistance Systems (ADAS), and Huawei’s smart cockpit technology. The signing ceremony was attended by Huawei division General Manager Jin Yongfu and Baidu Vice President Shang Guobin. The collaboration aims to improve the navigation and travel ...

Researchers led by Prof. Xie Chengjun and Associate Prof. Zhang Jie at the Hefei Institutes of Physical Science of the Chinese Academy of Sciences have developed a novel deep learning-based method for satellite imagery. Their method, called the Frequency-Adaptive Mixture of Experts Network (FAME-Net), has been accepted for publication in the 2024 Proceedings of the ...

A groundbreaking study by researchers from a number of institutions in China introduces a novel hyperspectral remote sensing technique capable of hour-hectometer level horizontal distribution of trace gases, offering an advanced tool to accurately identify emission sources. The study was published in the Journal of Remote Sensing on 14 November 2023. The research introduces a ...

For a study published in the Journal of Remote Sensing, a team of scientists led by Xihan Mu from Beijing Normal University has made a leap forward in environmental monitoring and ecological research. They have created seamless maps of Fractional Vegetation Cover (FVC) over China at 30-meter resolution and semimonthly intervals, covering the years 2010-2020. ...

China’s national security agencies have discovered that foreign geographic information system software used in important industries in China has been collecting and transmitting geographic information data with some of the information collected involving state secrets, posing a serious threat to national security, China’s Ministry of State Security said on Monday, noting that national security agencies ...

China launched a remote-sensing satellite for Egypt late on Sunday (Dec. 3) as space cooperation between the two countries deepens. A Long March 2C rocket lifted off from Jiuquan Satellite Launch Center in the Gobi Desert at 11:10 p.m. EST on Sunday (0410 GMT, or 12:10 p.m. Beijing time on Dec. 4), with insulation tiles ...

In a pioneering study published in Geo-spatial Information Science, a research group led by Yuyu Zhou from The University of Hong Kong developed an integrated framework that achieves 94% accuracy in mapping building functions across 50 U.S. cities using multi-source web-based geospatial data, offering potential for worldwide application. The team utilized TripAdvisor.com and Google Maps ...

A Sino-Kenyan forum started in the Kenyan capital, Nairobi, Wednesday to seek ways of promoting the use of geospatial technologies in agriculture, urban planning and natural resource management. The 2023 Supermap GIS software innovation conference that was jointly organized by Kenya’s Directorate of Resource Surveys and Remote Sensing and Chinese firm Supermap gathered government officials, ...

China’s equivalent to the US’ Global Positioning System (GPS) has gained an international qualification that allows it to expand into global commercial aviation, with the “important milestone” a potential boost for the technology, analysts said. The home-grown BeiDou system has been recognised by the International Civil Aviation Organisation as one of its standards, becoming a ...

China is continuing to launch trios of classified remote-sensing satellites to low Earth orbit. A Long March 2D rocket lifted off into the night sky above the Xichang Satellite Launch Center in southwest China at 4:03 p.m. EDT on Oct. 23 (2003 GMT; 4:03 a.m. Beijing Time on Oct. 24). The China Aerospace Science and ...

Scientists from the Aerospace Information Research Institute (AIR) of the Chinese Academy of Sciences (CAS), together with collaborators from Shihezi University (Xinjiang, China) and University of Toronto (Toronto, Canada), have proposed a cotton mapping strategy and provided high-resolution cotton maps throughout Xinjiang Uygur Autonomous Region, China. Xinjiang is the leading and largest cotton production region ...