Academic literature on the topic 'Impedance characteristic'

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Journal articles on the topic "Impedance characteristic"

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Zhao, Hongshan, Weitao Zhang, and Yan Wang. "Characteristic Impedance Analysis of Medium-Voltage Underground Cables with Grounded Shields and Armors for Power Line Communication." Electronics 8, no. 5 (2019): 571. http://dx.doi.org/10.3390/electronics8050571.

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The characteristic impedance of a power line is an important parameter in power line communication (PLC) technologies. This parameter is helpful for understanding power line impedance characteristics and achieving impedance matching. In this study, we focused on the characteristic impedance matrices (CIMs) of the medium-voltage (MV) cables. The calculation and characteristics of the CIMs were investigated with special consideration of the grounded shields and armors, which are often neglected in current research. The calculation results were validated through the experimental measurements. The
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Zhang, Y., and J. L. Liu. "Impedance matching condition analysis of the multi-filar tape-helix Blumlein PFL with discontinuous dielectrics." Laser and Particle Beams 30, no. 4 (2012): 639–50. http://dx.doi.org/10.1017/s026303461200050x.

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AbstractIn this paper, the characteristic impedance matching of the inner line and outer line of the multi-filar tape-helix Blumlein pulse forming line (BPFL) is analyzed in detail by dispersion theory of tape helix. Analysis of the spatial harmonics of multi-filar tape-helix BPFL shows that the integer harmonic numbers of the excited spatial harmonics are not continuous. In addition, the basic harmonic component still dominates the dispersion characteristics of the multi-filar tape-helix BPFL at low frequency band. The impedance mismatching phenomenon caused by the discontinuity of filling di
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Flórez Rodríguez, Juan J., and Luis F. Herrán. "On the Use of Ridge Waveguides to Synthesize Impedances." Electronics 14, no. 6 (2025): 1060. https://doi.org/10.3390/electronics14061060.

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This work examines the feasibility of designing an impedance synthesis network based on a double-ridge waveguide (DRW). This design is based on the concept of the stepped-impedance line transformer as a cascade of transmission lines with different characteristic impedances, but using, in this particular case, a stepped-ridge waveguide. It is shown that this structure is able to synthesize not only real impedances but an arbitrary impedance, following some restrictions explained in this paper. An impedance synthesis network based on DRW can have numerous applications, like being used in designi
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Nauwelaers, B., and A. van de Capelle. "Characteristic impedance of stripline." Electronics Letters 23, no. 18 (1987): 930. http://dx.doi.org/10.1049/el:19870655.

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Eser, Martin. "A neural network-augmented two-microphone impedance tube method to estimate sound propagation characterisics." INTER-NOISE and NOISE-CON Congress and Conference Proceedings 267, no. 1 (2023): 223–26. http://dx.doi.org/10.3397/no_2023_0040.

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Two-microphone impedance tubes are a popular method to measure the normal incidence sound absorption coefficient. However, a single measurement with this method does not offer enough information to identify the sound propagation characteristics, i.e. the characteristic impedance and the wave number of absorbent samples. Instead, more elaborate measurement techniques that require more time, more equipment and enhanced user knowledge need to be applied. This contribution presents a technique combining neural networks and the two-microphone impedance tube method to estimate the propagation charac
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Krukonis, Audrius, and Šarūnas Mikučionis. "THE FREQUENCY CHARACTERISTICS OF COUPLED MICROSTRIP LINES / SUSIETŲJŲ MIKROJUOSTELINIŲ LINIJŲ DAŽNINĖS CHARAKTERISTIKOS." Mokslas - Lietuvos ateitis 5, no. 2 (2013): 173–80. http://dx.doi.org/10.3846/mla.2013.33.

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The article deals with the use of the finite difference time domain method and uniaxial perfectly matching layer for analysis of frequency characteristics of coupled microstrip transmission lines. It describes calculation techniques for voltage, current, characteristic impedance and effective dielectric constant of each signal conductor. Besides, it analyses the frequency dependencies of characteristic impedance and the effective dielectric constant. Article in Lithuanian. Santrauka Straipsnyje aptariamas baigtinių skirtumų laiko srities metodo taikymas ir absorbuojančio sluoksnio taikymas sus
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Torrungrueng, D., P. Y. Chou, and M. Krairiksh. "An extendedZY T-chart for conjugately characteristic-impedance transmission lines with active characteristic impedances." Microwave and Optical Technology Letters 49, no. 8 (2007): 1961–64. http://dx.doi.org/10.1002/mop.22626.

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Wan, Li Bin, Ya Lin Guan, and Xin Kun Tang. "A Bandpass Filter Based on Novel SCRLH Transmission Line Structure." Applied Mechanics and Materials 456 (October 2013): 624–26. http://dx.doi.org/10.4028/www.scientific.net/amm.456.624.

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In this paper, a novel simplified composite right/left handed (SCRLH) transmission line (TL) structure is proposed.The dispersion and impedance characteristics of the novel structure are first analysed based on Bloch-Floquet theory, which shows that the attenuation constant keeps zero with a relatively smooth characteristic impedance distribution within the passband and that the characteristic impedance is purely imaginary with the inhibition of the electromagetic wave propagation outside the passband.
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Krukonis, Audrius, and Šarūnas Mikučionis. "EFFECT OF NON-UNIFORMITY OF THE MULTICONDUCTOR LINE CONSTRUCTIONAL PARAMETERS ON THE FREQUENCY CHARACTERISTICS OF THE MEANDER MICROSTRIP DELAY LINE / DAUGIALAIDĖS LINIJOS PARAMETRŲ NETOLYGUMŲ ĮTAKA MEANDRINIŲ VĖLINIMO LINIJŲ DAŽNINĖMS CHARAKTERISTIKOMS." Mokslas – Lietuvos ateitis 6, no. 2 (2014): 211–17. http://dx.doi.org/10.3846/mla.2014.32.

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Inhomogeneities of the electromagnetic field are observed at the edges of the electrodynamic delay systems which are designed based on the concept of infinite periodic multiconductor line. The influence of non-uniformity of characteristic impedance and effective permittivity of the multiconductor microstrip line on the frequency responses and characteristics of meander microstrip delay lines is studied in this paper. It is shown that aligning characteristic impedance and effective permittivity of the multiconductor line the bandwidth of the delay line can be significantly extended. Elektrodina
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Wong, George S. K. "Characteristic impedance of humid air." Journal of the Acoustical Society of America 80, no. 4 (1986): 1203–4. http://dx.doi.org/10.1121/1.394468.

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Dissertations / Theses on the topic "Impedance characteristic"

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Hickerson, Anna Iwaniec Burdick Joel Wakeman. "An experimental analysis of the characteristic behaviors of an impedance pump /." Diss., Pasadena, Calif. : California Institute of Technology, 2005. http://resolver.caltech.edu/CaltechETD:etd-05232005-141405.

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Forsberg, Alexander. "Utvärdering av HyperLynx Signal Integrity genom jämförelse av simulerade och uppmätta signaler." Thesis, Tekniska Högskolan, Högskolan i Jönköping, JTH, Data- och elektroteknik, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-21206.

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Simulering är en viktig del av utvecklingsarbetet för nya datorkort hos Centre of Excellence - Computers på Saab AB i Jönköping. Ju tidigare i utvecklingsarbetet som defekter och svagheter hos designen hittas desto enklare och mindre kostsamma blir ändringarna att införa. På CoE används simulerings och analysverktyget HyperLynx från Mentor Graphics för att simulera alla kritiska nät. På så sätt kan svagheter hos en design hittas redan innan prototypstadiet. För att simulatorn ska vara användbar krävs dock en kunskap om hur dess resultat korrelerar med verkligheten. Det leder till den övergripa
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Puváková, Alžbeta. "Příprava a optimalizace perovskitových solárních článků." Master's thesis, Vysoké učení technické v Brně. Fakulta chemická, 2020. http://www.nusl.cz/ntk/nusl-433525.

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Perovskite solar cells are part of third generation of solar cells and thanks to their atractive properties they are potencional candidates for replacement of silicon solar cells. Inverted planar structure of perovskite solar cells is possible to prepare by low temperature methods and by solution processing techniques. Main aim of this thesis was to prepare and characterize inverted planar perovskite solr cells with a different modification of structure. Perovskite solar cells was prepared with following structures: reference perovskite solar cells, perovskite solar cells with only a perovskit
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Holínský, Jan. "Měření pasivních kmitočtových výhybek pro reproduktorové soustavy." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2021. http://www.nusl.cz/ntk/nusl-442518.

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The content of the master´s thesis is to approach the issue of measuring the characteristics of passive frequency crossover. The work describes individual types of measured characteristics and their possibility of measurement. Then the work describes design of modules for measurement characteristics of passive frequency crossover (shunt, resistive load and amplifier). These modules were made and tested for its functions. For the amplifier is then made a second design for fulfilment requirements. The second version isn’t made in this work. At the end of the work was prepared the theoretical par
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Kermani, Behnoud. "Application of P-wave Reflection Imaging to Unknown Bridge Foundations and Comparison with Other Non-Destructive Test Methods." Master's thesis, Temple University Libraries, 2013. http://cdm16002.contentdm.oclc.org/cdm/ref/collection/p245801coll10/id/234113.

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Civil Engineering<br>M.S.C.E.<br>Proper design of bridge structures requires an appreciation for the possible failure mechanisms that can develop over the lifetime of the bridge, many of which are related to natural hazards. For example, scour is one of the most common causes of bridge failures. Scour occurs due to the erosion of soil and sediment within a channel with flowing water. During a flood event, the extent of scour can be so great that it can destabilize an existing bridge structure. In order to evaluate the scour potential of a bridge, it is necessary to have information regarding t
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Guzej, Michal. "Rotující odtržení v prostoru odstředivého kompresoru." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2012. http://www.nusl.cz/ntk/nusl-230025.

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This thesis deals with a procedure for determining the complete processing of aerodynamic flow instabilities (rotating stall and surge) in a centrifugal compressor. At small flows the performance of a compressor system is limited by the surge line, which is caused by flow instabilities. Numerical solution is obtained using the method of transfer matrix. This system is simulated through several models with local resistances that represent the dissipation of pressure energy. Pulses are excitated in these models by the pressure jump placed before the centrifugal compressor. From the frequency-amp
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Rezaei, Niya Seyed Mohammad. "Process modeling of impedance characteristics of proton exchange membrane fuel cells." Thesis, University of British Columbia, 2015. http://hdl.handle.net/2429/53653.

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The impedance characteristics of proton exchange membrane (PEM) fuel cells are studied and analyzed in this thesis. The modeling approaches presented in literature are thoroughly reviewed and categorized as the measurement-modeling and process-modeling approaches. In the former category, a hypothetical equivalent circuit which has the impedance characteristics similar to measured impedances is presented. Since the equivalent circuit is not directly resulted from the physical and chemical properties of the PEM fuel cells, the majority of the measurement-modeling approaches lead to dubious concl
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Villamil, Susan Simmons. "Impedance characteristics and grain boundary effects in titanate-based multilayer ceramic capacitors." Thesis, Virginia Polytechnic Institute and State University, 1987. http://hdl.handle.net/10919/94507.

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The major goal of this study was to gain a better understanding of the effects that grain boundaries have on conduction in multilayer ceramic (MLC) capacitors. Electrical measurements were made so that current-voltage curves and impedance plots could be constructed. It was found that the current-voltage curves of new COG and X7R multilayer ceramic capacitors are both ohmic at low voltages and super-ohmic at intermediate voltages. Ohmic behavior prevails at high voltages for both types. Such behavior can be attributed to grain boundaries. Grain boundary resistance was clearly exhibited by X
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Habtemariam, Filmon A. "HIGH-FREQUENCY IMPEDANCE CHARACTERISTICS AND HEALTH CONDITION MONITORING OF OVERHEAD POWER LINES." University of Akron / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=akron1472735633.

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Lee, Iljae. "Acoustic characteristics of perforated dissipative and hybrid silencers." Connect to resource, 2005. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1117631229.

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Thesis (Ph. D.)--Ohio State University, 2005.<br>Title from first page of PDF file. Document formatted into pages; contains xvi, 195 p.; also includes graphics. Includes bibliographical references (p. 183-195). Available online via OhioLINK's ETD Center
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Books on the topic "Impedance characteristic"

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Q, Lee Richard, and United States. National Aeronautics and Space Administration., eds. Linearly tapered slot antenna impedance characteristics. National Aeronautics and Space Administration, 1995.

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Hänninen, Seppo. Single phase earth faults in high impedance grounded networks: Characteristics, indication and location. Technical Research Centre of Finland, 2001.

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L, Kory Carol, Wilson Jeffrey D, and United States. National Aeronautics and Space Administration. Scientific and Technical Information Program., eds. Generalized three-dimensional simulation of ferruled coupled-cavity traveling-wave-tube dispersion and impedance characteristics. National Aeronautics and Space Administration, Office of Management, Scientific and Technical Information Program, 1993.

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L, Kory Carol, Wilson Jeffrey D, and United States. National Aeronautics and Space Administration. Scientific and Technical Information Program., eds. Generalized three-dimensional simulation of ferruled coupled-cavity traveling-wave-tube dispersion and impedance characteristics. National Aeronautics and Space Administration, Office of Management, Scientific and Technical Information Program, 1993.

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L, Kory Carol, Wilson Jeffrey D, and United States. National Aeronautics and Space Administration. Scientific and Technical Information Program., eds. Generalized three-dimensional simulation of ferruled coupled-cavity traveling-wave-tube dispersion and impedance characteristics. National Aeronautics and Space Administration, Office of Management, Scientific and Technical Information Program, 1993.

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Maruschek, Joseph W. Generalized three-dimensional simulation of ferruled coupled-cavity traveling-wave-tube dispersion and impedance characteristics. Lewis Research Center, 1993.

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Schroeder, Dana L. Ferruleless coupled-cavity traveling-wave tube cold-test characteristics simulated with micro-SOS. Lewis Research Center, 1993.

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United States. National Aeronautics and Space Administration. Scientific and Technical Information Program., ed. Ferruleless coupled-cavity traveling-wave tube cold-test characteristics simulated with micro-SOS. National Aeronautics and Space Administration, Office of Management, Scientific and Technical Information Program, 1993.

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United States. National Aeronautics and Space Administration. Scientific and Technical Information Program., ed. Ferruleless coupled-cavity traveling-wave tube cold-test characteristics simulated with micro-SOS. National Aeronautics and Space Administration, Office of Management, Scientific and Technical Information Program, 1993.

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United States. National Aeronautics and Space Administration. Scientific and Technical Information Program., ed. Ferruleless coupled-cavity traveling-wave tube cold-test characteristics simulated with micro-SOS. National Aeronautics and Space Administration, Office of Management, Scientific and Technical Information Program, 1993.

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Book chapters on the topic "Impedance characteristic"

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Arz, U., D. F. Williams, and H. Grabinski. "Characteristic Impedance Measurement on Silicon." In Interconnects in VLSI Design. Springer US, 2000. http://dx.doi.org/10.1007/978-1-4615-4349-7_12.

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Westerhof, Nicolaas, Nikolaos Stergiopulos, and Mark I. M. Noble. "Wave Speed and Characteristic Impedance." In Snapshots of Hemodynamics. Springer US, 2010. http://dx.doi.org/10.1007/978-1-4419-6363-5_34.

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Wang, Weisheng, Guanghui Li, and Guoqing He. "Impedance Model and Characteristic Analysis of SVG." In Analysis and Mitigation of Broadband Oscillation in Renewable Energy Generation and AC/DC Transmission Systems. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-99-1568-2_9.

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Bloch, Ingram. "Infinite One-Dimensional Periodic Systems—Characteristic Impedance." In The Physics of Oscillations and Waves. Springer US, 1997. http://dx.doi.org/10.1007/978-1-4899-0050-0_13.

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Wang, Weisheng, Guanghui Li, and Guoqing He. "Impedance Model and Characteristic Analysis of PV Unit." In Analysis and Mitigation of Broadband Oscillation in Renewable Energy Generation and AC/DC Transmission Systems. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-99-1568-2_8.

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Wang, Weisheng, Guanghui Li, and Guoqing He. "Impedance Model and Characteristic Analysis of LCC-HVDC." In Analysis and Mitigation of Broadband Oscillation in Renewable Energy Generation and AC/DC Transmission Systems. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-99-1568-2_10.

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Wang, Weisheng, Guanghui Li, and Guoqing He. "Impedance Model and Characteristic Analysis of MMC-HVDC." In Analysis and Mitigation of Broadband Oscillation in Renewable Energy Generation and AC/DC Transmission Systems. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-99-1568-2_11.

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Torrungrueng, Danai. "Theory of Bi-Characteristic-Impedance Transmission Lines (BCITLs)." In Meta-Smith Charts and Their Potential Applications. Springer International Publishing, 2010. http://dx.doi.org/10.1007/978-3-031-01539-7_3.

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Yan, Wang, Gong WeiYan, Zhao Shu, Sha Hong, and Ren ChaoShi. "Research on Electrode Impedance Characteristic in Electrical Bioimpedance Measurement." In IFMBE Proceedings. Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-642-03879-2_142.

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Wang, Chuan Bin, Qiang Shen, Guoqiang Luo, and Lian Meng Zhang. "Characteristic Wave Impedance of Ti-Mo System Composites and FGM." In Materials Science Forum. Trans Tech Publications Ltd., 2005. http://dx.doi.org/10.4028/0-87849-960-1.1537.

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Conference papers on the topic "Impedance characteristic"

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He, Rong, and Bin Guo. "Remaining Useful Life Prediction Based on Electrochemical Impedance Characteristic Distribution." In 2024 IEEE Transportation Electrification Conference and Expo, Asia-Pacific (ITEC Asia-Pacific). IEEE, 2024. http://dx.doi.org/10.1109/itecasia-pacific63159.2024.10738710.

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Amakawa, Shuhei, Satoshi Tanaka, Minoru Fujishima, and Takeshi Yoshida. "Second-Tier TRL-Based Characteristic Impedance Estimation Using a Longer Thru." In 2024 Asia-Pacific Microwave Conference (APMC). IEEE, 2024. https://doi.org/10.1109/apmc60911.2024.10867798.

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Suthasinee Lamultree and Danai Torrungrueng. "On the characteristics of conjugately characteristic-impedance transmission lines with active characteristic impedance." In 2006 Asia-Pacific Microwave Conference. IEEE, 2006. http://dx.doi.org/10.1109/apmc.2006.4429411.

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Williams, Dylan F., and Bradley K. Alpert. "Causality and Characteristic Impedance." In 54th ARFTG Conference Digest. IEEE, 2000. http://dx.doi.org/10.1109/arftg.1999.327366.

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Bai, Hanlin, Fan Gan, Nana Zhang, and Yunge Li. "Characteristic Impedance Analysis of Transmission Lines Considering Frequency Characteristics." In 2018 IEEE 3rd Advanced Information Technology, Electronic and Automation Control Conference (IAEAC). IEEE, 2018. http://dx.doi.org/10.1109/iaeac.2018.8577786.

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Wu, Zhaoyang, Xiaofeng Xuan, Rui Zhang, Jianbo Mao, Mingwu Yang, and Wanshun Jiang. "New definition of slotline characteristic impedance." In 2009 3rd IEEE International Symposium on Microwave, Antenna, Propagation and EMC Technologies for Wireless Communications (MAPE). IEEE, 2009. http://dx.doi.org/10.1109/mape.2009.5355867.

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Williams, Dylan F., Uwe Arz, and Hartmut Grabinski. "Accurate Characteristic Impedance Measurement on Silicon." In 51st ARFTG Conference Digest. IEEE, 1998. http://dx.doi.org/10.1109/arftg.1998.327296.

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Vandenberghe, S., D. Schreurs, G. Carchon, B. Nauwelaers, and W. de Raedt. "Characteristic Impedance Extraction Using Calibration Comparison." In 57th ARFTG Conference Digest. IEEE, 2001. http://dx.doi.org/10.1109/arftg.2001.327474.

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Usman, Mohammad A. U. "Characteristic impedance planning in PCB design." In SOUTHEASTCON 2014. IEEE, 2014. http://dx.doi.org/10.1109/secon.2014.6950703.

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Moulay, Ahmed, and Tarek Djerafi. "Gysel Power Divider with Fixed Characteristic Impedance." In 2020 IEEE/MTT-S International Microwave Symposium (IMS). IEEE, 2020. http://dx.doi.org/10.1109/ims30576.2020.9223881.

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Reports on the topic "Impedance characteristic"

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Geisler, Corinna, Mark Hübers, and Manfred Müller. Assessment of adult malnutrition with bioelectrical impedance analysis. Universitatsbibliothek Kiel, 2018. http://dx.doi.org/10.21941/manueltask13.

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The two aims of this study were to evaluate (i) the prevalence of malnutrition based on age, sex and BMI specific PA and (ii) to determinate what specific body composition characteristics (skeletal muscle mass and adipose tissue) are related to a low PA.
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Kiefner, Maxey, and Eiber. L51607 Pipeline Coating Impedance Effect on Powerline Fault Current Coupling. Pipeline Research Council International, Inc. (PRCI), 1989. http://dx.doi.org/10.55274/r0010294.

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Prior research leading to the development of predictive electromagnetic coupling computer codes has shown that the coating conductance is the principal factor in determining the response of a pipeline to magnetic induction transmission line. Under power line fault conditions, a high voltage may stress the coating causing a significant change in its conductance, and hence, the coupling response. Based upon laboratory experimentation and analysis, a model has been developed which allows prediction of the modified coating characteristics when subjected to high voltages during fault situations. Th
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Swanson, D. B., A. G. MacDiarmid, and A. J. Epstein. Impedance Profiling: A Convenient Technique for Determining the Redox or Protonic Acid Doping Characteristics of Conducting Polymers. Defense Technical Information Center, 1991. http://dx.doi.org/10.21236/ada233941.

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