Showing 41 - 60 results of 113 for search 'backscattering (efficient OR efficiency)', query time: 0.09s Refine Results
  1. 41
  2. 42

    Microwave Radar Sensing of Sea Waves: An Effective Reflection Coefficient by Karaev Vladimir, Panfilova Mariya Andreevna, Titchenko Yu., Meshkov Evgeniy Mihaylovich, Kovaldov Dmitry, Xiuzhong Li, Yijun He

    Published 2023-12-01
    “…At the small incidence angles, the dominant backscattering mechanism for sea waves is the quasi-specular backscattering mechanism. …”
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    Article
  3. 43

    EXPERIMENTAL TRIAL OF USING THE SCIENTIFIC MULTIBEAM ECHOSOUNDER DESIGNED TO DETECT FISH IN A WILD FIELD OF VIEW by G. M. Abdurakhmanov, A. A. Teymurov, A. A. Gadzhiev, A. N. Dolgov, A. N. Kutsenko, M. A. Raskita, S. V. Tretyakov

    Published 2017-01-01
    “…But to increase the echosounder efficiency in this operation mode, it is necessary to continue improving the data processing algorithms with regards to hydrodynamic noise filtering and to reposition the echosounder underwater unit mounting it at the vessel’s bottom or submerged keel.…”
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  4. 44

    Enhanced U-Net for Underwater Laser Range-Gated Image Restoration: Boosting Underwater Target Recognition by Peng Liu, Shuaibao Chen, Wei He, Jue Wang, Liangpei Chen, Yuguang Tan, Dong Luo, Wei Chen, Guohua Jiao

    Published 2025-04-01
    “…Underwater optical imaging plays a crucial role in maritime safety, enabling reliable navigation, efficient search and rescue operations, precise target recognition, and robust military reconnaissance. …”
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    Article
  5. 45

    Design of a Double-Matched Cross-Polar Single Antenna Harmonic Tag by Alessandro DiCarlofelice, Antonio DiNatale, Emidio DiGiampaolo, Piero Tognolatti

    Published 2025-04-01
    “…Radio frequency identification (RFID) technology has gained significant attention in various industry sectors due to its potential for efficient inventory management, asset tracking, and object localization. …”
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    Article
  6. 46

    Radar reflection of cloud and weather precipitation at the various waves by Mikhail Rubenovich Vatiashvili

    Published 2022-09-01
    “…The obtained results can be applied for planning and implementing projects on affecting hailing and man-made increasing of cloud precipitation; perfecting the present and developing the new ones: radar criteria of hail risk of target objects and cloud suitability for artificial precipitation provoking; evaluation methods of physical and economic efficiency when executing anti-hail works as well as works on man-made precipitation increasing.…”
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    Article
  7. 47

    Two Alternative Methods to Measure the Radiated Emission in a Reverberation Chamber by Qian Xu, Yi Huang, Sheng Yuan, Lei Xing, Zhihao Tian

    Published 2016-01-01
    “…By incorporating the one- and/or two-antenna methods, the radiation efficiency of antennas is also considered. Measurements have been conducted to verify the proposed methods, the results from these three methods are compared, and a very good agreement is obtained. …”
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    Article
  8. 48

    The Fast Simulation of Scattering Characteristics from a Simplified Time Varying Sea Surface by Yiwen Wei, Lixin Guo, Xiao Meng

    Published 2015-01-01
    “…To reduce the number of the segments and make further improvement on the efficiency of PO method, a simplified sea surface is proposed. …”
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    Article
  9. 49

    Bounds on the Electromagnetic Dipole Moments through the Single Top Production at the CLIC by M. Köksal, A. A. Billur, A. Gutiérrez-Rodríguez

    Published 2017-01-01
    “…For systematic uncertainties of δsys=0%  (5%), b-tagging  efficiency=0.8, center-of-mass energy of s=3 TeV, and integrated luminosity of L=2ab-1 the future e+e- collider may put bounds on the electromagnetic dipole moments a^V and a^A of the top quark of the order of O(10-2–10-1) at the 2σ  (3σ) level, which are competitive with those recently reported in previous studies at hadron colliders and the ILC.…”
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  10. 50

    All-optical modulator with photonic topological insulator made of metallic quantum wells by Wang Haiteng, Niu Junru, Chen Qiaolu, Zhao Sihan, Shao Hua, Yang Yihao, Chen Hongsheng, Li Shilong, Qian Haoliang

    Published 2024-06-01
    “…Here, we propose an approach to achieving an on-chip ultrafast all-optical modulator with ultra-high modulation efficiency and a small footprint by using photonic topological insulators (PTIs) made of metallic quantum wells (MQWs). …”
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    Article
  11. 51

    Multifunction Transceiver for Data Communication, Radar Sensing and Power Transfer by Thomas Micallef, Intikhab Hussain, Ke Wu

    Published 2025-06-01
    “…Recent investigations are directing attention towards the development of systems that serve dual functions, like simultaneous wireless information and power transfer and radar-communication, aimed at boosting operational efficiency and ensuring seamless communication among different wireless capabilities. …”
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    Article
  12. 52

    Ultra-wideband unidirectional pseudospin-polarized waveguide with dual boundary conditions by Haddi Ahmadi, Kazem Zafari, Mohammad Pasdari-Kia, Nasrin Razmjooei, Kamalodin Arik, Zahra Ahmadi, Mahdi Nooshyar, Hamid Nezamdoost, Hamed Saghaei, Farzaneh Sadat Ghoreishi, Homayoon Oraizi

    Published 2025-02-01
    “…By enforcing electromagnetic duality, the proposed structure establishes mirror reflection symmetry, significantly reducing backscattering and ensuring robust one-way wave propagation. …”
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    Article
  13. 53

    Intelligent Pattern Recognition Using Distributed Fiber Optic Sensors for Smart Environment by Brian Pamukti, Shofuro Afifah, Shien-Kuei Liaw, Jiun-Yu Sung, Daping Chu

    Published 2024-12-01
    “…Additionally, the backscattering method requires the signal to travel twice the normal distance, which can be inefficient. …”
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    Article
  14. 54

    EVALUATION OF THE OBJECTIVES POLARIZATION DISCRIMINATION AGAINST PASSIVE HINDRANCES WITH THE DEVICE, BASED ON CONSIDERATION OF THE SPATIAL VARIATION OF THE FARADAY ROTATION ANGLE I... by Volodymyr I. Mirnenko, Evgen A.Yufa A. Yufa, Maxim N. Zhuravskij

    Published 2018-08-01
    “…In order to determine the operability of the device under various conditions and to evaluate its efficiency, the signal-to-noise ratio at the output of the device is calculated in the case where the backscattering matrix of the target and the matrix of the interference element (for example, dipole, angle reflector, etc.) are not diagonal, m .e. when a cross-polarization component appears when the signal from the target or from the interference element is reflected.…”
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  15. 55

    Proximity effect correction in electron beam lithography using a composite function model of electron scattering energy distribution by Qingyuan Mao, Jingyuan Zhu, Xinbin Cheng, Zhanshan Wang

    Published 2025-05-01
    “…Moreover, this model not only optimizes the computational efficiency of PSF calculations but also demonstrates greater potential for applications in the exposure of complex structures such as meta-surface and meta-lens.…”
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    Article
  16. 56

    A Fine Agricultural Flood Segmentation Model for HJ-2E S-Band SAR Data by Mingyang Song, Lu Xu, Nanhuanuowa Zhu, Zihuan Guo, Haoxuan Duan, Jiahua Teng, Xia Lei, Lijun Zuo

    Published 2025-01-01
    “…Synthetic aperture radar (SAR), with its all-weather, all-time observation capabilities and unique backscattering characteristics for water bodies, has become a primary data source for flood mapping. …”
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    Article
  17. 57

    Surface Soil Moisture Estimation Taking into Account the Land Use and Fractional Vegetation Cover by Multi-Source Remote Sensing by Rencai Lin, Xiaohua Xu, Xiuping Zhang, Zhenning Hu, Guobin Wang, Yanping Shi, Xinyu Zhao, Honghui Sang

    Published 2025-02-01
    “…The findings highlight that the VV polarization-based model significantly improves SSM estimation accuracy, particularly in croplands with FVC ≤ 0.75, offering a reliable tool for optimizing irrigation schedules and enhancing water use efficiency in agriculture. These results can aid in better water resource management, especially in regions with limited water availability, by providing precise soil moisture data for informed decision-making.…”
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  18. 58

    Microphysical Interactions Determine the Effectiveness of Solar Radiation Modification via Stratospheric Solid Particle Injection by S. Vattioni, S. K. Käslin, J. A. Dykema, L. Beiping, T. Sukhodolov, J. Sedlacek, F. N. Keutsch, T. Peter, G. Chiodo

    Published 2024-10-01
    “…Using a global chemistry‐climate model with interactive solid particle microphysics, we show that agglomeration significantly reduces the backscatter efficiency per unit of injected material compared to mono‐disperse particles, partly due to faster settling of the agglomerates, but mainly due to increased forward‐ over backscattering with increasing agglomerate size. …”
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  19. 59

    Scalable Detection of Underground Water Leaks in Dense Urban Environments Using L-Band SAR and Machine Learning by E. Ali, E. Ali, L. Xie, A. Sani-Mohammed, W. Xu, T. Zayed

    Published 2025-07-01
    “…Traditional methods such as acoustic sensing and manual inspections often fall short in efficiency and scalability. This study proposes the use of L-band SAR imagery from ALOS-2 combined with machine learning techniques to address these challenges. …”
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    Article
  20. 60

    Research Advances on Distributed Acoustic Sensing Technology for Seismology by Alidu Rashid, Bennet Nii Tackie-Otoo, Abdul Halim Abdul Latiff, Daniel Asante Otchere, Siti Nur Fathiyah Jamaludin, Dejen Teklu Asfha

    Published 2025-02-01
    “…DAS makes use of Rayleigh backscattering to detect and measure dynamic strain and vibrations over extended distances. …”
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    Article