Littérature scientifique sur le sujet « Radio frequency »

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Articles de revues sur le sujet "Radio frequency"

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NECHIBVUTE, Action, Albert CHAWANDA, Nicholas TARUVINGA, and Pearson LUHANGA. "Radio Frequency Energy Harvesting Sources." Acta Electrotechnica et Informatica 17, no. 4 (2017): 19–27. http://dx.doi.org/10.15546/aeei-2017-0030.

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Jayati, Ari Endang, Wahyu Minarti, and Sri Heranurweni. "Analisa Teknis Penetapan Kanal Frekuensi Radio Untuk Lembaga Penyiaran Radio Komunitas Wilayah Kabupaten Batang." Jurnal ELTIKOM 5, no. 2 (2021): 73–80. http://dx.doi.org/10.31961/eltikom.v5i2.361.

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The radio frequency spectrum constitutes a limited and strategic natural resource with high economic value, so it must be managed effectively and efficiently to obtain optimal benefits by observing national and international legal principles. Radio Community Broadcasting Institution uses limited frequency allocation in three channels, namely, in the frequency channels 202 (107.7 MHz), 203 (107.8 MHz), and 204 (107.9 MHz), with limited transmit power and area coverage. The problem in this research is the frequency overlap with other community radios in an area. The issue raised is whether it is
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Idubor, S.O., K.O. Ogbeide, and O. Okosun. "Development of a Radio Frequency Rectifier Circuit for Radio Frequency Energy Harvesting." Nigerian Research Journal of Engineering and Environmental Sciences 9, no. 2 (2024): 922–29. https://doi.org/10.5281/zenodo.14581970.

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<em>The aim of this work is to develop a radio frequency rectifier circuit for radio frequency energy harvesting that can produce voltage from ambient radio frequency (RF) signal to energize low powered sensor devices or Internet of Things networks. </em><em>The radio frequency rectifier was first designed and simulated in Proteus CAD software environment in other to assess the circuits theoretical performance. The designed circuit was then developed on a vero board and the power conversion efficiency of the circuit was evaluated. The rectifier circuit was simulated, and its performance evalua
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Sackenheim, Maureen McDaniel. "Radio Frequency Ablation." Journal of Diagnostic Medical Sonography 19, no. 2 (2003): 88–92. http://dx.doi.org/10.1177/8756479303251097.

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Dondelinger, Robert M. "Radio Frequency Identification." Biomedical Instrumentation & Technology 44, no. 1 (2010): 44–47. http://dx.doi.org/10.2345/0899-8205-44.1.44.

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Wyld, David C. "Radio Frequency Identification." Cornell Hospitality Quarterly 49, no. 2 (2008): 134–44. http://dx.doi.org/10.1177/1938965508316147.

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Scheck, Anne. "Radio Frequency Identification." Emergency Medicine News 28, no. 3 (2006): 34–35. http://dx.doi.org/10.1097/01.eem.0000292061.54727.06.

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Ekers, R. D., and J. F. Bell. "Radio Frequency Interference." Symposium - International Astronomical Union 199 (2002): 498–505. http://dx.doi.org/10.1017/s0074180900169669.

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We describe the nature of the interference challenges facing radio astronomy in the next decade. These challenges will not be solved by regulation only, negotiation and mitigation will become vital. There is no silver bullet for mitigating against interference. A successful mitigation approach is most likely to be a hierarchical or progressive approach throughout the telescope and signal conditioning and processing systems. We summarise some of the approaches, including adaptive systems.
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Westra, Bonnie L. "Radio Frequency Identification." AJN, American Journal of Nursing 109, no. 3 (2009): 34–36. http://dx.doi.org/10.1097/01.naj.0000346925.67498.a4.

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Rajaraman, V. "Radio frequency identification." Resonance 22, no. 6 (2017): 549–75. http://dx.doi.org/10.1007/s12045-017-0498-6.

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Thèses sur le sujet "Radio frequency"

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Ker, Louise Moira. "Radio AGN evolution with low frequency radio surveys." Thesis, University of Edinburgh, 2013. http://hdl.handle.net/1842/7616.

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Supermassive black holes are leading candidates for the regulation of galaxy growth and evolution over cosmic time, via ‘feedback’ processes, whereby outflows from the Active Galactic Nuclei (AGN) halt star formation within the galaxy. AGN feedback is generally thought to occur in two modes, high-excitation (HERG, or ‘quasar-mode’) and low-excitation (LERG or ’radio-mode’) each having a different effect on the host galaxy. LERGs curtail the growth of the most massive galaxies, whereas HERGs are thought to be activated by mergers/interactions, switching off star formation at high redshift. A cr
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Finlay, Chris. "Radio Frequency Interference: Simulations for Radio Interferometry Arrays." Master's thesis, Faculty of Science, 2021. http://hdl.handle.net/11427/33716.

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Radio Frequency Interference (RFI) is a massive problem for radio observatories around the world. Due to the growth of telecommunications and air travel RFI is increasing exactly when the world's radio telescopes are increasing significantly in sensitivity, making RFI one of the most pressing problems for astronomy in the era of the Square Kilometre Array (SKA). Traditionally RFI is dealt with through simple algorithms that remove unexpected rapid changes but the recent explosion of machine learning and artificial intelligence (AI) provides an exciting opportunity for pushing the state-of-the-
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Shenouda, Hany H. "An agile frequency synthesizer for frequency hopping radio." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape4/PQDD_0016/MQ49683.pdf.

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Chen, Bing-Hung. "Inductively coupled radio-frequency discharges." Thesis, University of Oxford, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.244566.

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Heikkinen, Jouko. "TELEMETRY AND RADIO FREQUENCY IDENTIFICATION." International Foundation for Telemetering, 1999. http://hdl.handle.net/10150/607334.

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International Telemetering Conference Proceedings / October 25-28, 1999 / Riviera Hotel and Convention Center, Las Vegas, Nevada<br>Comparison of short-range telemetry and radio frequency identification (RFID) systems reveals that they are based on very similar operating principles. Combining the identification and measurement functions into one transponder sensor offers added value for both RFID and telemetry systems. The presence of a memory (e.g. FRAM) in the transponder, required for ID information, can also be utilized for storing measurement results. For passive transponders low pow
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Andrews, Seth Dixon. "Extensions to Radio Frequency Fingerprinting." Diss., Virginia Tech, 2019. http://hdl.handle.net/10919/95952.

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Radio frequency fingerprinting, a type of physical layer identification, allows identifying wireless transmitters based on their unique hardware. Every wireless transmitter has slight manufacturing variations and differences due to the layout of components. These are manifested as differences in the signal emitted by the device. A variety of techniques have been proposed for identifying transmitters, at the physical layer, based on these differences. This has been successfully demonstrated on a large variety of transmitters and other devices. However, some situations still pose challenges: So
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Viyyure, Uday Kiran Varma. "Frequency Assignments in Radio Networks." Kent State University / OhioLINK, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=kent1209060158.

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Fernandes, Rui Miguel Félix. "Object signature in radio frequency." Master's thesis, Universidade de Aveiro, 2014. http://hdl.handle.net/10773/13708.

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Mestrado em Engenharia Eletrónica e Telecomunicações<br>The RF signature can be consider as a fingerprint of an object when submitted to electromagnetic radiation. Based on this concept, the initial goal of this work was to elaborate a comparative analysis of the Radio Frequency signature of different materials. Through the design of a prototype based on an adapted Wi-Fi network was developed an innovative system capable of distinguishing materials with the analysis of their interference in the propagated channel. In order to refine this distinction was utilized a signal processing tool, the
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Matarrese, Vincent D. "Tapered radio frequency transmission lines." PDXScholar, 1992. https://pdxscholar.library.pdx.edu/open_access_etds/4329.

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A transformation used to obtain solutions for the beam parameter equation of fiber optics is applied to the second order differential equation for nonuniform transmission lines. Methods are developed for deriving possible transmission line tapers from known solutions of the transformed equation. This study begins with a comprehensive overview of previous work done to obtain closed-form solutions for the transmission line equations. Limitations of the lumped parameter model are also discussed. As part of this thesis, a tapered transmission line is constructed, based on one of the solutions obta
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Blackard, Kenneth Lee. "Measurements and models of radio frequency impulsive noise inside buildings." Thesis, This resource online, 1991. http://scholar.lib.vt.edu/theses/available/etd-08182009-040318/.

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Livres sur le sujet "Radio frequency"

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McAdams, Alison R. Radio frequency identification. Nova Science Publishers, 2011.

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Hutter, Michael, and Jörn-Marc Schmidt, eds. Radio Frequency Identification. Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-41332-2.

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AIM, ed. Radio frequency identification. AIM, 1987.

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L, Hutchinson C., and DeMaw Doug, eds. Radio frequency interference. 5th ed. American Radio Relay League, 1989.

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McAdams, Alison R., and Alison R. McAdams. Radio frequency identification. Nova Science Publishers, 2011.

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Shivanarul, M. Radio frequency synthesizer. University of East London, 1995.

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Institute, IIT Research, and United States. Environmental Protection Agency, eds. Radio frequency heating. U.S. Environmental Protection Agency, 1994.

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Davis, W. Alan. Radio Frequency Circuit Design. John Wiley & Sons, Inc., 2010. http://dx.doi.org/10.1002/9780470768020.

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Hickman, Ian. Practical radio-frequency handbook. 3rd ed. Newnes, 2002.

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Hickman, Ian. Practical radio-frequency handbook. 3rd ed. Newnes, 2002.

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Chapitres de livres sur le sujet "Radio frequency"

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Gooch, Jan W. "Radio Frequency." In Encyclopedic Dictionary of Polymers. Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_9736.

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Weik, Martin H. "radio frequency." In Computer Science and Communications Dictionary. Springer US, 2000. http://dx.doi.org/10.1007/1-4020-0613-6_15368.

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Thompson, A. Richard, James M. Moran, and George W. Swenson. "Radio Frequency Interference." In Astronomy and Astrophysics Library. Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-44431-4_16.

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Rumney, Moray, Takaharu Nakamura, Stefania Sesia, Tony Sayers, and Adrian Payne. "Radio Frequency Aspects." In LTE - The UMTS Long Term Evolution. John Wiley & Sons, Ltd, 2011. http://dx.doi.org/10.1002/9780470978504.ch21.

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Svanberg, Sune. "Radio-Frequency Spectroscopy." In Atomic and Molecular Spectroscopy. Springer Berlin Heidelberg, 2001. http://dx.doi.org/10.1007/978-3-642-98107-4_7.

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Cameron, Neil. "Radio frequency communication." In Electronics Projects with the ESP8266 and ESP32. Apress, 2020. http://dx.doi.org/10.1007/978-1-4842-6336-5_15.

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Cameron, Neil. "Radio Frequency Identification." In Arduino Applied. Apress, 2018. http://dx.doi.org/10.1007/978-1-4842-3960-5_11.

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Hitchcock, R. Timothy. "Radio-Frequency Radiation." In Hamilton & Hardy's Industrial Toxicology. John Wiley & Sons, Inc., 2015. http://dx.doi.org/10.1002/9781118834015.ch98.

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Williams, Geoff. "Radio Frequency Identification." In Technology for Facility Managers. John Wiley & Sons, Inc., 2019. http://dx.doi.org/10.1002/9781119572626.ch5.

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Svanberg, Sune. "Radio-Frequency Spectroscopy." In Atomic and Molecular Spectroscopy. Springer Berlin Heidelberg, 2004. http://dx.doi.org/10.1007/978-3-642-18520-5_7.

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Actes de conférences sur le sujet "Radio frequency"

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Young, Graeme, and Justin Jonas. "Measurement and Analysis of Impulsive, Transient Sources of Radio Frequency Interference and their Impact on Radio Telescopes." In Radio Frequency Interference Conference. Sissa Medialab, 2025. https://doi.org/10.22323/1.471.0020.

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Havenga, Johan, and Abraham Johannes Otto. "Integrated Radio Frequency Attenuation Maps for RFI Impact Assessments." In Radio Frequency Interference Conference. Sissa Medialab, 2025. https://doi.org/10.22323/1.471.0009.

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Bruce, Nicholas, and Thushara Kanchana Gunaratne. "Evaluating Low-Precision Floating-Point Formats for Next-Generation Radio Telescope Correlators and Beamformers: A Quantitative Analysis of Linearity and Dynamic Range." In Radio Frequency Interference Conference. Sissa Medialab, 2025. https://doi.org/10.22323/1.471.0024.

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Pascual, Juan Pablo, Andy Moreno Rodríguez, and Jorge Cogo. "Strategy for WiFi interference detection in weather radar applications." In Radio Frequency Interference Conference. Sissa Medialab, 2025. https://doi.org/10.22323/1.471.0034.

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Amoia, Matías Ezequiel, Martín Hurtado, Juan Ignacio Fernández Michelli, and Federico Renolfi. "A Fast Implementation of the Algorithm GMAP-TD for Clutter Interference Mitigation in Weather Radar." In Radio Frequency Interference Conference. Sissa Medialab, 2025. https://doi.org/10.22323/1.471.0052.

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Horst, Raúl Tomás, Sebastián Chiocchetti, Nahuel Alincastro, and Daniel Lipuma. "Antenna allocation technique to analyze self-generated interference." In Radio Frequency Interference Conference. Sissa Medialab, 2025. https://doi.org/10.22323/1.471.0051.

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Bruce, Nicholas, Belaid Moa, Stephen Harrison, and Peter F. Driessen. "SigCLR: A contrastive learning approach to unsupervised modulation recognition and novelty detection." In Radio Frequency Interference Conference. Sissa Medialab, 2025. https://doi.org/10.22323/1.471.0025.

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Bakaus, Tarcisio Aurelio. "WRC-27 Scientific Agenda Items: The Future of Science Services." In Radio Frequency Interference Conference. Sissa Medialab, 2025. https://doi.org/10.22323/1.471.0001.

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Scanlon, Tracy, David Duncan, Alan Geer, and Niels Bormann. "Identification and attribution of RFI Sources using NWP departure statistics." In Radio Frequency Interference Conference. Sissa Medialab, 2025. https://doi.org/10.22323/1.471.0026.

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Gancio, Guillermo, and Gustavo E. Romero. "The Argentine Institute of Radio Astronomy and its Observatory: Present and Future." In Radio Frequency Interference Conference. Sissa Medialab, 2025. https://doi.org/10.22323/1.471.0067.

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Rapports d'organisations sur le sujet "Radio frequency"

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Jacobson, Joseph. Radio Frequency (RF) Biomolecules. Defense Technical Information Center, 2005. http://dx.doi.org/10.21236/ada441170.

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Logan, Ronald T., Li Jr., and Ruo D. Radio Frequency Photonic Synthesizer. Defense Technical Information Center, 2000. http://dx.doi.org/10.21236/ada374373.

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Derov, John S., Alvin D. Drehman, Everett E. Crisman, Beverly Turchinetz, and Teresa H. O'Donnell. Radio Frequency and Optical Metamaterials. Defense Technical Information Center, 2013. http://dx.doi.org/10.21236/ada580325.

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Derov, John S., Alvin D. Drehman, Everett E. Crisman, and Beverly Turchinetz. Radio Frequency and Optical Metamaterials. Defense Technical Information Center, 2011. http://dx.doi.org/10.21236/ada555467.

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Matarrese, Vincent. Tapered radio frequency transmission lines. Portland State University Library, 2000. http://dx.doi.org/10.15760/etd.6213.

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Carter, M. D. Radio Frequency Current Drive Considerations for Small Aspect Ratio Tori. Office of Scientific and Technical Information (OSTI), 1998. http://dx.doi.org/10.2172/814823.

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Carter, M. D., E. F. Jaeger, D. J. Strickler, P. M. Ryan, D. W. Swain, and D. B. Batchelor. Radio frequency current drive considerations for small aspect ratio tori. Office of Scientific and Technical Information (OSTI), 1998. http://dx.doi.org/10.2172/677115.

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Hietala, V. M., G. A. Vawter, T. M. Brennan, B. E. Hammons, and W. J. Meyer. Optical generation of radio-frequency power. Office of Scientific and Technical Information (OSTI), 1994. http://dx.doi.org/10.2172/10106860.

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Nelson, Glenn K., Michael A. Lombardi, and Dean T. Okayama. NIST time and frequency radio stations :. National Institute of Standards and Technology, 2005. http://dx.doi.org/10.6028/nist.sp.250-67.

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Devlin, D. J., R. S. Barbero, and K. N. Siebein. Radio frequency assisted chemical vapor infiltration. Office of Scientific and Technical Information (OSTI), 1996. http://dx.doi.org/10.2172/244636.

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