Showing 81 - 100 results of 622 for search '"Ultra high frequency"', query time: 0.22s Refine Results
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    An Accurate and Efficient Time Delay Estimation Method of Ultra-High Frequency Signals for Partial Discharge Localization in Substations by Pengfei Li, Kejie Dai, Tong Zhang, Yantao Jin, Yushun Liu, Yuan Liao

    Published 2018-10-01
    “…Partial discharge (PD) localization in substations based on the ultra-high frequency (UHF) method can be used to efficiently assess insulation conditions. …”
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    Article
  4. 84

    Design of a compact ultra-high frequency antenna for partial discharge detection in oil immersed power transformers by Walid S. Salah, Ahmed H. Gad, Mahmoud A. Attia, Soliman M. Eldebeikey, Abdelhady R. Salama

    Published 2022-03-01
    “…PD is localized dielectric breakdown of an insulation degradation or defect in an oil power transformer. Ultra-high frequency (UHF) detection technique can be utilized in PD detection inside oil-filled power transformers, by capturing the electromagnetic waves generated by PD using an antenna. …”
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    Article
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    Effect of skin dielectric properties on the read range of epidermal ultra-high frequency radio-frequency identification tags by Dumtoochukwu O. Oyeka, John C. Batchelor, Ali Mohamad Ziai

    Published 2017-01-01
    “…This Letter presents an investigation of the effect of human tissue conductivity and permittivity on the performance of epidermal transfer tattoo ultra-high frequency radio-frequency identification (RFID) tags. …”
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    Article
  7. 87

    Ultra‐high frequency sensors positioning on the power transformer to mitigate the negative effects on the partial discharge localization accuracy by Mohammad Amin Jangjoo, Mehdi Allahbakhshi, Hassan Reza Mirzaei

    Published 2024-02-01
    “…Abstract This paper proposes a new method for improving the partial discharge (PD) localization accuracy by detecting the best places of ultra‐high frequency (UHF) sensors on the power transformer tank. …”
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    Article
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    Design and implementation of ultra high frequency 921 MHz reader antenna for indoor propagation / Syamimi Mohd Norzeli by Mohd Norzeli, Syamimi

    Published 2018
    “…In recent years, Radio Frequency Identification (RFID) technology is highly demanded in various applications, requiring a rapid development in the RFID technology. The Ultra High Frequency (UHF) RFID reader was selected for this research due to its further detection distance compared to the High Frequency (HF) and Low Frequency (LF). …”
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    Book Section
  10. 90

    Performance of Ultra High Frequency Gen2 Passive Tags Radio Frequency Identification in chemical laboratory environment by Osman, Rosiah, Ramli, Abd Rahman, Wan Adnan, Wan Azizun, Hasan, Intan Helina

    Published 2016
    “…This research analyzes the performance of Ultra High Frequency (UHF) Gen2 Passive Tags Radio Frequency Identification (RFID) technology as sensing device in chemical laboratory environment. …”
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    Article
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    P87 Ultra–high Frequency Ultrasound Assessment in Vascular Ehlers Danlos Syndrome: a Validation and Reproducibility Study by Rosa Maria Bruno, Magdalini Alexopoulou, Hakim Khettab, Xavier Jeunemaitre, Pierre Boutouyrie

    Published 2020-02-01
    “…Thus its accurate assessment by ultra–high frequency ultrasound (UHFUS), thanks to its higher spatial resolution, may be clinically relevant. …”
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    Article
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    An ultra-high frequency radio frequency identification system for studying individual feeding and drinking behaviors of group-housed broilers by G. Li, Y. Zhao, R. Hailey, N. Zhang, Y. Liang, J.L. Purswell

    Published 2019-01-01
    “…The objectives of this study were to (1) develop and describe an ultra-high frequency radio frequency identification (UHF-RFID) system for continuously monitoring feeding and drinking behaviors of individual broilers in group settings; and (2) validate the performance of the UHF-RFID system against video analysis in determining the instantaneous bird number (IBN) and time spent (TS) at feeder and drinker. …”
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    Article
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    Bendable ultra‐high frequency radio‐frequency identification tag antenna for retail garments using nonuniform meandered lines by Manoj Kumar, Ashwani Sharma, Ignacio J. Garcia Zuazola

    Published 2021-11-01
    “…Abstract A bendable ultra‐high frequency (UHF) radio‐frequency identification (RFID) tag antenna using nonuniform meandered lines for retail garments in the textile industry is presented. …”
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    Article