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  1. 501

    A Convex Approach for Trajectory Optimization of Super-Synchronous-Transfer-Orbit Large Launch Systems with Time-Position Constraints by Yuan Li, Ruisheng Sun, Wei Chen, Nan Yang

    Published 2022-01-01
    “…The payload of SSTO launch systems is typically a geostationary equatorial orbit (GEO) satellite, and the time and position of orbital injection are constrained, which is quite different from the case of general satellites. …”
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  2. 502

    Numerical Modeling the Flood and Pollutant Transport Processes in Residential Areas with Different Land Use Types by Shulin Fang, Yongpeng Ji, Mingliang Zhang

    Published 2022-01-01
    “…We use remote sensing techniques to acquire the land coverage in the area of HTL based on Landsat TM satellites. The impacts of changed land use on mitigation of flooding waves and pollutant spread are investigated; the results indicate that the land cover changes have an obvious influence on the evolution process of flood waves and pollutant transport in the study areas, where the transport of pollutants is very dynamic during flood inundation in HTL area. …”
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  3. 503

    Mitigation of Diffraction Effect in GNSS Positioning Considering Azimuth and PDOP in Canyon Environment by Qingfeng Wu, Xiaoya Wang, Houxiang Zhou

    Published 2025-01-01
    “…Global navigation satellite system (GNSS) monitoring stations established in canyon environments inevitably face challenges such as multipath effects, diffracted signals, and non-line-of-sight (NLOS) reception due to obstructions. …”
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  4. 504

    Overview on Radiation Damage Effects and Protection Techniques in Microelectronic Devices by Yanru Ren, Min Zhu, Dongyu Xu, Minghui Liu, Xuehui Dai, Shengao Wang, Longxian Li

    Published 2024-01-01
    “…With the rapid advancement of information technology, microelectronic devices have found widespread applications in critical sectors such as nuclear power plants, aerospace equipment, and satellites. However, these devices are frequently exposed to diverse radiation environments, presenting significant challenges in mitigating radiation-induced damage. …”
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  5. 505

    Research on Fusing Multisatellite Soil Moisture Data Based on Bayesian Model Averaging by Shan Wang, Yuexing Wang, Chi Zhang, Han Shuai, Chun-Xiang Shi

    Published 2018-01-01
    “…There are many ways to measure SM, satellite microwave remote sensing is now considered the primary method because it can provide real-time high-resolution data. …”
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  6. 506

    Space-Air-Ground Integrated Network for Disaster Management: Systematic Literature Review by Muhammad Junaid Anjum, Tayyaba Anees, Fatima Tariq, Momina Shaheen, Sabeen Amjad, Fareeha Iftikhar, Faizan Ahmad

    Published 2023-01-01
    “…One effective approach is to use satellites in conjunction with existing air-to-ground systems. …”
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  7. 507

    Cost-Efficient LEO Navigation Augmentation Constellation Design under a Constrained Deployment Approach by Jing Ren, Dan Sun, Deng Pan, Mingtao Li, Jianhua Zheng

    Published 2021-01-01
    “…The advantages of the Low Earth Orbit (LEO) satellite include low-latency communications, shorter positioning time, higher positioning accuracy, and lower launching, building, and maintenance costs. …”
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  8. 508

    Tightly combined triple-frequency GPS and BDS for rapid wide-lane RTK positioning with consideration of carrier-phase differential inter-system bias by Wang Gao, Shuguo Pan, Liwei Liu, He Wen

    Published 2021-03-01
    “…Due to the influence of different frequencies between GPS and BDS, the double-difference wide-lane ambiguity between GPS and BDS reference satellites and the single-difference ambiguity of the BDS reference satellite are estimated jointly with the wide-lane differential inter-system bias. …”
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  9. 509

    A Note on the Use of Generalized Sundman Anomalies in the Numerical Integration of the Elliptical Orbital Motion by José Antonio López Ortí, Francisco José Marco Castillo, María José Martínez Usó

    Published 2014-01-01
    “…The orbital motion around a central body is an interesting problem that involves the theory of artificial satellites and the planetary theories in the solar system. …”
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  10. 510

    Data Analysis and Results of the Radiation-Tolerant Collaborative Computer On-Board OPTOS CubeSat by Alberto Martín-Ortega, Santiago Rodríguez, José R. de Mingo, Sergio Ibarmia, Joaquín Rivas, Sergio López-Buedo, Celia López-Ongil, Marta Portela-García

    Published 2019-01-01
    “…This computer, named OPTOS, provides enhanced computational capacities with respect to what computers of other small satellites typically provide. To maintain the reliability needed to perform typical critical activities such as real-time maintenance or current surveillance, authors have conceived a set of collaborative hardening techniques, taking advantage of the distributed architecture of the OPTOS On-Board Computer. …”
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  11. 511

    Evaluation of Calibration Method for Field Application of UAV-Based Soil Water Content Prediction Equation by Donggeun Kim, Younghwan Son, Jaesung Park, Taejin Kim, Jihun Jeon

    Published 2019-01-01
    “…Because UAVs have higher spatial and temporal resolution than satellites, they are currently becoming more useful in remote sensing areas. …”
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  12. 512

    Study on Glass-Epoxy-Based Low-Cost and Compact Tip-Truncated Triangular Printed Antenna by Rajeev Kumar Kanth, Pasi Liljeberg, Hannu Tenhunen, Qiang Chen, Lirong Zheng, Harish Kumar

    Published 2012-01-01
    “…The proposed printed antennas are suitable for communication links between ships or buoys and satellites specially for navigation purpose.…”
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  13. 513

    Design of Modular Power Management and Attitude Control Subsystems for a Microsatellite by Anwar Ali, Shoaib Ahmed Khan, M. Usman Khan, Haider Ali, M. Rizwan Mughal, Jaan Praks

    Published 2018-01-01
    “…The Electric Power System (EPS) and attitude control system (ACS) are the essential components of any satellite. EPS and ACS efficiency and compactness are substantial for the proper operation and performance of the satellite’s entire mission life. …”
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  14. 514

    Global Warming: The Balance of Evidence and Its Policy Implications by Charles Keller

    Published 2003-01-01
    “…Of particular interest are advances that seem to explain why satellites do not see as much warming as surface instruments, how we are getting a good idea of recent paleoclimates, and why the 20th century temperature record was so complex. …”
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  15. 515

    The Three-Dimensional Structure of Transatlantic African Dust Transport: A New Perspective from CALIPSO LIDAR Measurements by Dong Liu, Yingjian Wang, Zhien Wang, Jun Zhou

    Published 2012-01-01
    “…We analyzed over two years of LIDAR measurements from NASA’s CALIPSO and CloudSat satellites to document the vertical pathways of transatlantic transport of Saharan dust. …”
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  16. 516

    CM SAF Oransal Bulut Kapalılığı (CFC) Verisinin Başarımı ve Doğu Anadolu Gözlemevi (DAG) Yerleşkesi için Analizi by Cahit Yeşilyaprak, Kazım Kaba

    Published 2021-09-01
    “…EUMETSAT’ın (European Organisation for the Exploitation of Meteorological Satellites; Avrupa Birliği Meteorolojik Uydu İşletme Teşkilatı) denetim ve koordinasyonunda olan CM SAF (Satellite Application Facility on Climate Monitoring; İklim Yönetimi Üzerine Uydu Uygulama Birimi), METEOSAT verilerinden iklimsel çalışmalar için atmosferimize ait çeşitli veri setleri üretmektedir. …”
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  17. 517

    Combining of the H/A/Alpha and Freeman–Durden Polarization Decomposition Methods for Soil Moisture Retrieval from Full-Polarization Radarsat-2 Data by Qiuxia Xie, Qingyan Meng, Linlin Zhang, Chunmei Wang, Qiao Wang, Shaohua Zhao

    Published 2018-01-01
    “…As crops grow, the associated vegetation seriously affects the ability of satellites to retrieve SM data. Here, we collected such data at different growth stages of maize using Bragg and X-Bragg scattering models based on the Freeman–Durden polarization decomposition method. …”
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  18. 518

    Spectral enhancement of PlanetScope using Sentinel-2 images to estimate soybean yield and seed composition by Supria Sarkar, Vasit Sagan, Sourav Bhadra, Felix B. Fritschi

    Published 2024-07-01
    “…Capturing phenological developments that influence seed composition requires frequent satellite observations at higher spatial and spectral resolutions. …”
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  19. 519

    U.S. plans to internationalize the containment of the USSR in the Balkans in the first half of the 1950s by A. A. Kalinin

    Published 2020-12-01
    “…In the Balkans, the Americans were mostly afraid of the aggression of Soviet “satellites” against Greece and Yugoslavia. In response, in the early 1950s the United States formed a new security model in the Balkans, which based on a differentiated approach: Greece became a member of NATO, while Yugoslavia entered the anti-Soviet Balkan Pact affiliated with NATO. …”
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  20. 520

    Changes of Soil Moisture from Multiple Sources during 1988–2010 in the Yellow River Basin, China by Dan Lou, Guojie Wang, Chan Shan, Daniel Fiifi T. Hagan, Waheed Ullah, Dawei Shi

    Published 2018-01-01
    “…The spatiotemporal variations of soil moisture from multiple sources during 1988–2010 are evaluated against in situ observations in the Yellow River basin, China, including the Essential Climate Variable satellite’s passive microwave product (SMECV), ERA-Interim reanalysis (SMERA), the National Centers for Environmental Prediction/Department of Energy’s Reanalysis-2 (SMNCEP), and the Variable Infiltration Capacity model products (SMVIC). …”
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