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Добірка наукової літератури з теми "Power radio signal attenuation"

Автор: Grafiati

Опубліковано: 30 травня 2022

Оновлено: 31 липня 2025

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Статті в журналах з теми "Power radio signal attenuation"

1

Kolyadenko, Yu Yu, and N. A. Chursanov. "ANALYSIS OF INDICATORS OF ELECTROMAGNETIC COMPATIBILITY OF COMMUNICATION NETWORKS 5 G." Radio Electronics, Computer Science, Control, no. 3 (October 5, 2021): 7–16. http://dx.doi.org/10.15588/1607-3274-2021-3-1.

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Context. The next generation 5G / IMT-2020 technology, like any new technology, brings its own specific features to all aspects of the practice of its application. One of these particularly important aspects is electromagnetic compatibility. At the stage of preparation for the introduction of 5G radio networks, it is necessary to take early measures to effectively assess the EMC conditions for these networks based on a thorough analysis of the features of 5G technology, and by correctly and accurately assessing these conditions, successfully ensure the electromagnetic compatibility of radio eq

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2

Avva, Jessica, John M. Kovac, Christian Miki, David Saltzberg, and Abigail G. Vieregg. "An in situ measurement of the radio-frequency attenuation in ice at Summit Station, Greenland." Journal of Glaciology 61, no. 229 (2015): 1005–11. http://dx.doi.org/10.3189/2015jog15j057.

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AbstractWe report an in situ measurement of the electric field attenuation length Lα at radio frequencies for the bulk ice at Summit Station, Greenland, made by broadcasting radio-frequency signals vertically through the ice and measuring the relative power in the return ground bounce signal. We find the depth-averaged field attenuation length to be at 75 MHz. While this measurement has clear radioglaciological applications, the radio clarity of the ice also has implications for the detection of ultra-high energy (UHE) astrophysical particles via their radio emission in dielectric media such a

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3

Sakkas, Alexandros, Vasilis Christofilakis, Christos J. Lolis, Spyridon K. Chronopoulos, and Kostas P. Peppas. "Measuring Precipitation via Microwave Bands with a High-Accuracy Setup." Sensors 24, no. 24 (2024): 8056. https://doi.org/10.3390/s24248056.

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The urgent need for timely and accurate precipitation estimations in the face of ongoing climate change and the increasing frequency and/or intensity of extreme weather events underscores the necessity for innovative approaches. Recently, several studies have focused on estimating the precipitation rate through induced attenuation of radio frequency (RF) signals, which are abundant in modern communication systems. Most research has concentrated on frequencies exceeding 10 GHz, as attenuation at lower frequencies is minimal, posing measurement challenges. This study aims to confront this limita

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4

Movchan, A. K., E. V. Rogozhnikov, E. M. Dmitriev, S. A. Novichkov, and D. V. Lakontsev. "Calculation of signal attenuation of 5G cellular networks for frequencies of the FR1 band." Proceedings of Tomsk State University of Control Systems and Radioelectronics 25, no. 1 (2022): 17–23. http://dx.doi.org/10.21293/1818-0442-2021-25-1-17-23.

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The paper presents a model for the propagation of a radio signal of a fifth-generation cellular communication system, taking into account the unevenness of the terrain. The aim of the study is to assess the signal power level on the receiving side of the fourth and fifth generation cellular communication system when the signal propagates over uneven terrain in the frequency bands FR1 (2.6 GHz), FR1 (4.9 GHz). When estimating the power of the radio signal on the receiving side in the model, the values of the height map of the of Tomsk city, obtained in the course of the SRTM3 program, were used

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5

Muhammad, Tyabo A., Oyedum O. David, Ayantunji G. Benjamin, et al. "Study of Rain-Induced Signal Degradation of Terrestrial Radio Links within Minna and Lapai, North-Central, Nigeria." Physics Access 02, no. 01 (2022): 26–31. http://dx.doi.org/10.47514/phyaccess.2022.2.1.004.

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Rain attenuation is a major source of impairment to signal degradation at millimetre wave bands above 10 GHz. This research work determines the extent of signal degradation due to rainfall on terrestrial radio links within Minna and Lapai. The meteorological rainfall data collected from the Automatic Weather Stations installed at the Federal University of Technology, Minna, and at Ibrahim Badamasi Babangida University, Lapai, for a period of 3 years (2011-2013) were used to compute the rainfall attenuation on Microsoft Excel spreadsheets. The Lavergnat-Gole (LG) model was used for the conversi

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6

Carmen, Vázquez, D. López-Cardona Juan, C. Lallana Pedro, et al. "Multicore Fiber Scenarios Supporting Power Over Fiber in Radio Over Fiber Systems." IEEE Access 7, 2019 (November 30, 2019): 158409–18. https://doi.org/10.5281/zenodo.3530379.

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We propose the integration of power over ber in the next generation 5G radio access network front-haul solutions based on spatial division multiplexing with multicore bers. The different architectures in both shared- and dedicated- core scenarios for power over ber delivery and data signals are described. The maximum power to be delivered depending on the efciencies of the different components is addressed as well as the limits of the delivered energy to avoid ber fuse and non-linear effects. It is shown how those limits depend on high power laser linewidth, ber attenuation, link length and be

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7

Sakkas, Alexandros, Vasilis Christofilakis, Christos J. Lolis, Spyridon K. Chronopoulos, and Giorgos Tatsis. "Harnessing the Radio Frequency Power Level of Cellular Terminals for Weather Parameter Sensing." Electronics 13, no. 5 (2024): 840. http://dx.doi.org/10.3390/electronics13050840.

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In light of recent extreme weather events, it is imperative to explore innovative methodologies for promptly and accurately measuring various meteorological parameters. The high spatial and temporal variability in precipitation often surpasses the resolution capabilities of traditional rain gauge measurements and satellite estimation algorithms. Therefore, exploring alternative methods to capture this variability is crucial. Research on the correlation between signal attenuation and precipitation could offer valuable insights into these alternative approaches. This study investigates (a) the f

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8

Kriuchkova, Larysa, and Nikita Leontiuk. "SOFTWARE AND HARDWARE IMPLEMENTATION OF THE ALGORITHM FOR QUICK ASSESSMENT OF WI-FI SIGNAL POWER AT POINTS OF THE URBANIZED SPACE." Cybersecurity: Education, Science, Technique 4, no. 24 (2024): 241–56. http://dx.doi.org/10.28925/2663-4023.2024.24.241256.

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In connection with the widespread use of Wireless Fidelity wireless technologies; there is an urgent problem of ensuring the proper level of Wi-Fi signal in the space of urbanized premises. The presence of walls, partitions, furniture, radio-electronic equipment and other objects inside the building complicates the conditions for the propagation of radio waves. The main effects observed during the propagation of radio waves indoors are multipath due to multiple reflections of radio waves from walls and other objects, diffraction at numerous sharp edges of objects, and attenuation of radio wave

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9

Koliadenko, Yulia, Mykyta Chursanov, and Oleksii Koliadenko. "Methods of monitoring and control of parameters of signals and elements of the mobile communication network when solving the problem of electromagnetic compatibility." Problemi telekomunìkacìj, no. 2(27) (December 11, 2020): 3–15. http://dx.doi.org/10.30837/pt.2020.2.01.

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To ensure the electromagnetic compatibility of mobile networks, it is necessary to monitor and control: radio frequency resource, frequency and power of signals in the allocated frequency resource, group delay time, resistance parameters to linear attenuation and attenuation associated with multi-beam signal transmission, polarization signal parameters, location (coordinates) of moving sources. The evaluation of parameters based on the results of measurements is currently carried out based on observations, and decision-making is carried out based on sample statistics. The use of methods for me

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10

Dvornikov, S. V. "Electromagnetic Accessibility of Starlink User Terminals." Proceedings of Telecommunication Universities 9, no. 6 (2023): 34–41. http://dx.doi.org/10.31854/1813-324x-2023-9-6-34-41.

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The results of assessing the electromagnetic accessibility of radio emission sources of the Starlink satellite communication system are presented. The features of the organizational and technical structure of the system are considered. Its main technical capabilities for organizing the provision of telecommunications services to users of subscriber terminals are analyzed. The technical features of the infrastructure of the Starlink satellite communication system, which are essential for the electromagnetic accessibility of its sources, have been studied. The possibility of radio links for tran

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Дисертації з теми "Power radio signal attenuation"

1

Maenou, Takatoshi, and Masaaki Katayama. "Study on Signal Attenuation Characteristics in Power Line Communications." IEEE, 2006. http://hdl.handle.net/2237/7798.

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2

De, Villiers Wernich. "Prediction and measurement of power line carrier signal attenuation and fluctuation." Thesis, Stellenbosch : Stellenbosch University, 2001. http://hdl.handle.net/10019.1/52410.

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Thesis (MScEng)--University of Stellenbosch, 2001,<br>ENGLISH ABSTRACT: A frequency domain Power Line Carrier (PLC) simulation program, with the ability to simulate signal attenuation including the coupling equipment, was developed. This simulation program was put to the test against the independent program of Professor L.M. Wedepohl and against practical field measurements. The predictions of the two programs were in precise agreement for a wide range of input parameters. Results from the field tests and predictions also showed close agreement. Further investigations, applying the sim

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3

Yang, Hong-Kui. "Low-power oversampled signal processing for digital radio receivers." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape17/PQDD_0005/NQ32351.pdf.

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4

Apostolou, Nikolaos. "Signal synthesis with dynamically-changed power spectral density in a software defined radio transmitter." Thesis, Monterey, California. Naval Postgraduate School, 2003. http://hdl.handle.net/10945/874.

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Анотація:

Approved for public release; distribution is unlimited<br>The objective of this thesis is to synthesize signals with a dynamically change power spectral density, in a SDR transmitter, utilizing the most appropriate channels, modulation schemes and transmission rates for communication, based on the noise profile (AWGN plus interferences) of the link, in order to achieve performance within some predefined acceptable levels. The objective is obtained by simulation.<br>Major, Hellenic Army

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5

Hetzel, Simon Andrew. "Power efficient linear transmitters and the LINC technique." Thesis, University of Bristol, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.261286.

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6

Lahdenperä, J. (Juho). "On feasibility of the UE power saving signal for the 5G new radio." Master's thesis, University of Oulu, 2019. http://jultika.oulu.fi/Record/nbnfioulu-201906072487.

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Abstract. The objective of this thesis is to study and evaluate physical layer signals and channels to achieve the user equipment (UE) power saving in the 3rd generation partnership project (3GPP) new radio (NR). The fifth generation (5G) mobile network has strict objectives regarding power consumption and performance. The UE power consumption also has a big impact on the end user’s quality of experience (QoE) and future deployment of NR devices. Therefore, it is very important to study ways to reduce UE power consumption. One feasible power saving technique is the usage of so-called power sav

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7

Chan, kwong Fu. "Large-signal characterization/modeling and linearization techniques for RF power amplifiers /." View abstract or full-text, 2004. http://library.ust.hk/cgi/db/thesis.pl?ELEC%202004%20CHANK.

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8

Одарченко, Роман Сергійович, Roman Odarchenko та Одарченко Роман Сергеевич. "Методологія підвищення ефективності функціонування стільникових мереж зв'язку". Thesis, Національний авіаційний університет, 2019. http://er.nau.edu.ua/handle/NAU/38385.

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В роботі було розроблено методологію підвищення ефективності стільникових мереж зв’язку, яка полягає у використанні удосконалено методу планування мережі стільникового зв’язку для розгортання стільникових мереж нового покоління, методу оцінки ключових показників функціонування мережі стільникового оператора з метою безперервної оптимізації мережі оператора шляхом використання методу оптимізації підсистеми базових станцій розгорнутої мережі стільникового оператора, удосконаленого методу розвантаження радіо інтерфейсу мережі стільникового оператора із використанням підмережі Wi-Fi (Wireless Fide

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9

Fioravanti, Paolo. "Large signal design of silicon field effect transistors for linear radio frequency power amplifiers." Thesis, De Montfort University, 2006. http://hdl.handle.net/2086/13294.

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10

Hussain, Sajjad. "PEAK TO AVERAGE POWER RATIO ANALYSIS AND REDUCTION OF COGNITIVE RADIO SIGNALS." Phd thesis, Université Rennes 1, 2009. http://tel.archives-ouvertes.fr/tel-00426930.

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* La multiplication des standards de télécommunications fait apparaître la nécessité de disposer de terminaux multistandard et reconfigurables. Ces nouvelles fonctionnalités trouvent leurs réponses dans le domaine de la radio logicielle. De tels terminaux ne sont pas encore réalisables pour des raisons technologiques liées à la complexité nécessaire à leur réalisation (convertisseurs ultra rapides, processeurs reconfigurables, antennes et amplificateurs très large bande, ....). En se basant alors sur une véritable technologie radio logicielle, la radio intelligente va encore plus loin dans la

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Книги з теми "Power radio signal attenuation"

1

Faramaz, Davarian, Jet Propulsion Laboratory (U.S.), and Advanced Communications Technology Satellite (ACTS) Propagation Studies Workshop (7th : 1995 : Fort Collins, Colo.), eds. Proceedings of the nineteenth NASA Propagation Experimenters Meeting (NAPEX XIX) and the Advanced Communications Technology Satellite (ACTS) Propagation Studies Workshop (APSW VII) held in Fort Collins, Colorado, June 14-16, 1995. National Aeronautics and Space Administration, Jet Propulsion Laboratory, California Institute of Technology, 1995.

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2

1938-, Huijsing Johan H., Plassche Rudy van de, Sansen Willy M. C, and Workshop of Advances in Analogue Circuit Design (7th : 1998 Copenhagen, Denmark), eds. Analog circuit design: Volt electronics, mixed-mode systems, low-noise and RF power amplifiers for telecommunication. Kluwer Academic Publishers, 1999.

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3

Rudiakova, Anna, and Vladimir Krizhanovski. Advanced Design Techniques for RF Power Amplifiers (Analog Circuits and Signal Processing). Springer, 2006.

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4

Signal Synthesis With Dynamically-Changed Power Spectral Density in a Software Defined Radio Transmitter. Storming Media, 2003.

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5

The Role of Adaptive Photorefractive Power Limiting on Acousto-Optic Radio Frequency (RF) Signal Excision. Storming Media, 2001.

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6

Ark, Radio. Amateur Radio Station Log Book: Radio-Wave Frequency and Power Test, Logbook for Ham Radio Operators, Callsign Signal Wave Testing Log with Ham Radio Quick Reference Guide. Independently Published, 2021.

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7

Ultra Low Power Transceiver for Wireless Body Area Networks Analog Circuits and Signal Processing. Springer International Publishing AG, 2013.

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8

Creation, Hobby Art. Amateur Radio Operator Logbook: Logbook for Ham Radio Operators; Amateur Ham Radio Station Log Book; Radio-Wave Frequency & Power Test Logbook; Ham ... Callsign Signal Wave Testing Log Diary. Independently published, 2019.

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9

(Editor), Johan H. Huijsing, Rudy J. van de Plassche (Editor), and Willy M.C. Sansen (Editor), eds. Analog Circuit Design: Volt Electronics; Mixed-Mode Systems; Low-Noise and RF Power Amplifiers for Telecommunication. Springer, 1998.

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Частини книг з теми "Power radio signal attenuation"

1

Apsel, Alyssa, Xiao Wang, and Rajeev Dokania. "Low Power Impulse Radio Transceivers." In Analog Circuits and Signal Processing. Springer New York, 2013. http://dx.doi.org/10.1007/978-1-4614-1845-0_3.

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2

Apsel, Alyssa, Xiao Wang, and Rajeev Dokania. "Approaches to Low Power Radio Design." In Analog Circuits and Signal Processing. Springer New York, 2013. http://dx.doi.org/10.1007/978-1-4614-1845-0_2.

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3

Korchagin, Yury, Oleg Chernoyarov, Mikhail Trifonov, and Alexander Makarov. "Localization of the Radio Signal with the Unknown Non-power Parameter." In Software Engineering Application in Informatics. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-90318-3_45.

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4

Höflinger, Fabian, Joan Bordoy, Rui Zhang, et al. "Indoor Localization System Using Ultra Low-Power Radio Landmarks Based on Radio Signal Strength and Travel Time." In Communications in Computer and Information Science. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-30110-1_6.

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5

Munoz Torrico, Max, Robert Foster, and Yang Hao. "Identifying Physiological Features from the Radio Propagation Signal of Low-Power Wireless Sensors." In Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering. Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-37893-5_38.

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Guilherme, David, Jorge Guilherme, and Nuno Horta. "Automatic Layout Optimizations for Integrated MOSFET Power Stages." In Computational Intelligence in Analog and Mixed-Signal (AMS) and Radio-Frequency (RF) Circuit Design. Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-19872-9_6.

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Shatir, S. M. N. S., A. B. Elmi, M. N. Akhtar, M. N. Abdullah, and A. H. Ismail. "Short Range Radio Frequency (RF) Data Acquisition Unit for Agricultural Product Monitoring System." In Proceedings of the 12th International Conference on Robotics, Vision, Signal Processing and Power Applications. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-99-9005-4_24.

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8

Ranjan Dwibedi, Sudhansu, and Bijay Kumar Ekka. "Improvement of SNR by Removing Power-line Interference from Noisy ECG Signal." In Artificial Intelligence and Communication Technologies, 2022nd ed. Soft Computing Research Society, 2022. http://dx.doi.org/10.52458/978-81-955020-5-9-57.

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The electrical signals are invariably accompanied by components that are unrelated to the phenomenon being studied. Spurious or unwanted signal components which may occur at any frequency within band pass of the system are known as noise. The instruments are designed in such a way that the noise is minimized to facilitate accurate and sensitive measurement. Noise in Electrocardiograph (ECG) recording occurs due to high frequency Electromagnetic (EM) noise, motion artifacts and power line (50Hz or 60Hz) interference. For extraction of information from noisy signals, it is essential to increase

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9

Chen, Xiaofei, Xue Wang, Xiaochun Lu, Jing Ke, and Xia Guo. "Navigation Signal Design and Ranging Performance Evaluation of Cn Band Based on Satellite-to-Ground Link." In Machine Learning and Artificial Intelligence. IOS Press, 2020. http://dx.doi.org/10.3233/faia200809.

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As the only priority frequency band for navigation services except L protected by ITU, the Cn band could provide navigation services to solve problems of spectrum congestion and vulnerability to interference faced in L using global navigation satellite systems. However, Cn band navigation still faces some problems such as limited-bandwidth and link uncertainty. To solve these problems, an orthogonal MSK signal is designed in this paper under Cn limited bandwidth constraint. The analysis results show that although it’s ranging performance of narrow correlation spacing has been deteriorated, the

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10

Singh, Mahesh K., D. Lavanya, Ch Asha Madhuri, P. Ramesh, and V. Satyanarayana. "Improving Speech Quality Using Deep Neural Network-Based Manipulation of Cepstral Excitation." In Advances in Transdisciplinary Engineering. IOS Press, 2023. http://dx.doi.org/10.3233/atde221279.

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The source-filter paradigm, which is used in human speech development, would be used in this proposal to increase speech quality. Excitation signals in the cepstral domain are amplified using a sophisticated neural network (DNN). As a result, they compared the effects of normalization on two different types of goals. Using the cepstral excitation manipulation approach (CEM) instead of traditional signal processing-based cepstral excitation, we were able to reduce noise by 1.5 dB. Studying various combinations of data demonstrates that envelope and excitation enhancement are also present. When

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Тези доповідей конференцій з теми "Power radio signal attenuation"

1

Barat, Vera A., and Egor A. Lepsheev. "Investigation of Lamb Wave Attenuation." In 2025 7th International Youth Conference on Radio Electronics, Electrical and Power Engineering (REEPE). IEEE, 2025. https://doi.org/10.1109/reepe63962.2025.10970817.

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2

Zilinskas, Mindaugas, Stasys Tamosiunas, and Milda Tamosiuniene. "Calculation of Radio Signal Attenuation Using Annual Precipitation and Heavy Rainfall Data." In 2006_Wroclaw. IEEE, 2006. https://doi.org/10.23919/emc.2006.10852045.

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3

Biscarini, M. "Estimating Atmospheric Attenuation Exploiting Noise Power Measurements from Satellite Receivers." In 2024 IEEE International Symposium on Antennas and Propagation and INC/USNC‐URSI Radio Science Meeting (AP-S/INC-USNC-URSI). IEEE, 2024. http://dx.doi.org/10.1109/ap-s/inc-usnc-ursi52054.2024.10686521.

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4

Li, Wang, Shen Xiaobo, Shu Renyi, Zheng Xiaodong, Wang Jian, and Shen Yiming. "Optimal Design of RF Signal Power Amplifier Circuit." In 2024 Cross Strait Radio Science and Wireless Technology Conference (CSRSWTC). IEEE, 2024. https://doi.org/10.1109/csrswtc64338.2024.10811633.

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Pekcokguler, N., C. Dehollain, A. Burg, P. Courouve, and D. Morche. "An Ultra Low Power Analog/Mixed-Signal Processor for a Smart RF Signal Classification System in the ISM Band." In 2025 IEEE Radio Frequency Integrated Circuits Symposium (RFIC). IEEE, 2025. https://doi.org/10.1109/rfic61188.2025.11082785.

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6

Demetri, Silvia, Gian Pietro Picco, and Lorenzo Bruzzone. "Estimating Low-Power Radio Signal Attenuation in Forests: A LiDAR-Based Approach." In 2015 International Conference on Distributed Computing in Sensor Systems (DCOSS). IEEE, 2015. http://dx.doi.org/10.1109/dcoss.2015.17.

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7

Mathew, Jimson, R. Mahesh, A. P. Vinod, and Edmund M.-K. Lai. "Realization of low power high-speed channel filters with stringent adjacent channel attenuation specifications for software radio receivers." In 2007 6th International Conference on Information, Communications & Signal Processing. IEEE, 2007. http://dx.doi.org/10.1109/icics.2007.4449884.

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8

Yi, Tongxun, Ephraim J. Gutmark, and Michael Cornwell. "Characteristics and Control of an Unstable Liquid-Fueled Multi-Swirling Combustor." In ASME Turbo Expo 2005: Power for Land, Sea, and Air. ASMEDC, 2005. http://dx.doi.org/10.1115/gt2005-69020.

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This paper reports our initial results on active control of combustion instability in a lean direct fuel injection combustor featured with multiple air swirls and distributed fuel injection. Fuel modulation is achieved by “pushing” fuel out of the valve cavity using a magnetostrictive rod that extends or contracts with unsteady currents going through its surrounding coil. To follow the flow commands and quickly reject exogenous disturbances on mean fuel flow rate, an LQG pulse-width modulation controller based on system identification models is developed. As a starting point, we tried a phase

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9

Thiele, Frederik, Iñigo Fernandez Imaña, Xavier Manuel Juanpere, and Harald Pfifer. "Adaptive Control for Vibration Attenuation of a Laser Communication Terminal." In ESA 12th International Conference on Guidance Navigation and Control and 9th International Conference on Astrodynamics Tools and Techniques. ESA, 2023. http://dx.doi.org/10.5270/esa-gnc-icatt-2023-106.

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Laser Communication is the next generation of communication technology in the space industry, finding use in near earth as well as deep space application. They provide secure connections with significant higher data rates and less power consumption compared to conventional methods. Moreover, they address the ongoing problem of frequency saturation in radio communication technology. A challenge for optical systems is the high pointing requirement necessary to establish reliable communication links, which increase with higher data rates or distance. In this work a control method using estimation

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10

An, Liansuo, Peng Wang, Guoqing Shen, and Jie Shi. "Time Delay Estimator for Boiler Tube Leakage Localization." In ASME 2011 Power Conference collocated with JSME ICOPE 2011. ASMEDC, 2011. http://dx.doi.org/10.1115/power2011-55442.

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The inference of strong background noise and reflected by the wall and tube rows surface makes it impossible that justify accurately leakage position employing the characteristic received by multi-channel sensors. It is the ‘bottleneck’ for promoting the accuracy of boiler tube leakage location. The 600MW supercritical boiler model was established, the leakage source propagation process of reflection and attenuation in boiler furnace was simulated by EASE. The approximate signal to noise ratio (SNR) was obtained and the reverberation time was calculated with the squared impulse response integr

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Звіти організацій з теми "Power radio signal attenuation"

1

Stevens, Dale M. The Role of Adaptive Photorefractive Power Limiting on Acousto-Optic Radio Frequency (RF) Signal Excision. Defense Technical Information Center, 2001. http://dx.doi.org/10.21236/ada406769.

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2

Kwun, Hegoen, and Sang Kim. LY9DLGF High-Power Long-Range Guided-Wave Inspection of Pipelines. Pipeline Research Council International, Inc. (PRCI), 2005. http://dx.doi.org/10.55274/r0012077.

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The objective of this project was to increase the guided wave power of the magneto-strictive sensor (MsS) technology so that the test range of guided wave achievable on pipelines could be further extended. The target goal of the project was a 20-fold (or 26-dB) increase in the guided-wave signal amplitude. The extension in the test range attainable by the 20-fold increase in the guided-wave signal amplitude depends on the wave attenuation coefficient, and alpha;, of the pipe-line under testing and is equal to 26/(2 and alpha;), where the factor 2 accounts for the round trip. For example, for a

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