Relevant bibliographies by topics / Slow-wave transmission line S-CPW

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  1. Journal articles
  2. Dissertations / Theses
  3. Conference papers
  4. Reports

Academic literature on the topic 'Slow-wave transmission line S-CPW'

Author: Grafiati
Published: 4 June 2021
Last updated: 12 February 2022

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Journal articles on the topic "Slow-wave transmission line S-CPW"

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Alhalabi, H., H. Issa, E. Pistono, et al. "Miniaturized branch-line coupler based on slow-wave microstrip lines." International Journal of Microwave and Wireless Technologies 10, no. 10 (2018): 1103–6. http://dx.doi.org/10.1017/s1759078718001204.

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AbstractThis paper presents a miniaturized 3-dB branch-line coupler based on slow-wave microstrip transmission lines. The miniaturized coupler operating at 2.45 GHz is designed and implemented on a double-layer printed circuit board substrate with blind metallic vias embedded in the lower substrate layer providing the slow-wave effect. Based on this concept, a 43% size miniaturization is achieved as compared with a classical microstrip branch-line coupler prototype. The measured S parameters present a return loss of 25.5 dB and an average insertion loss equal to 0.05 dB at the operating freque
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Gao, Muzhi, Gaoyang Zhu, Fanmin Kong, and Kang Li. "Graphene-based Terahertz closed-stopband composite right/left-handed leaky-wave antennas." E3S Web of Conferences 268 (2021): 01081. http://dx.doi.org/10.1051/e3sconf/202126801081.

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A simple scheme for the realization of the terahertz (THz) fundamental-mode closed-stopband composite right/left-handed leaky-wave antennas (CRLH LWAs) is presented. The proposed CRLH LWAs are reconstructed by graphene-based coplanar waveguide (CPW) transmission line supercells. Their shunt inductances achieved by narrow graphene strips of two unit cell structures are halved. The CRLH LWAs are designed and confirmed by numerical simulations. They also exhibit frequency-scannable behaviors at THz with narrower bandwidth than that of the conventional graphene-based fundamental-mode CPW unit cell
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Amin, Najam Muhammad, Lianfeng Shen, Zhi-Gong Wang, Muhammad Ovais Akhter, and Muhammad Tariq Afridi. "60 GHz-Band Low-Noise Amplifier." Journal of Circuits, Systems and Computers 26, no. 05 (2017): 1750075. http://dx.doi.org/10.1142/s021812661750075x.

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This paper presents the design of a 60[Formula: see text]GHz-band LNA intended for the 63.72–65.88[Formula: see text]GHz frequency range (channel-4 of the 60[Formula: see text]GHz band). The LNA is designed in a 65-nm CMOS technology and the design methodology is based on a constant-current-density biasing scheme. Prior to designing the LNA, a detailed investigation into the transistor and passives performances at millimeter-wave (MMW) frequencies is carried out. It is shown that biasing the transistors for an optimum noise figure performance does not degrade their power gain significantly. Fu
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Lezaca, Jorge E., Patrick Quéffélec, and Alexis Chevalier. "Broadband permeability measurement method for ferrites at any magnetization state: direct problem." International Journal of Microwave and Wireless Technologies 3, no. 3 (2011): 289–94. http://dx.doi.org/10.1017/s1759078711000341.

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A broadband permeability measurement method based on the full-wave electromagnetic (EM) analysis of a non-reciprocal transmission line is presented. The dispersion diagram for the first significant modes inside the ferrite loaded section of the line is obtained. The presence of magnetostatic modes generated by the magnetized ferrite inside the line is verified. Using a mode matching technique, the theoretical scattering parameters (S-parameters) of the transmission line are calculated. The full-wave analysis is validated with measurements of material properties in limit cases.
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Mora, Peter. "Elastic wave‐field inversion of reflection and transmission data." GEOPHYSICS 53, no. 6 (1988): 750–59. http://dx.doi.org/10.1190/1.1442510.

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Elastic inversion of multioffset seismic data by wave‐ field fitting yields a maximum probability P-wave and S-wave velocity and density model of the Earth. Theoretically, the inversion accounts for all elastic waves including reflected and transmitted waves, mode conversions, shear waves, head waves, Rayleigh waves, etc. These different wave types tend to resolve different components of the Earth properties. By inverting two‐ component synthetic data, I show that reflection data mainly resolve high wavenumbers, while transmission data mainly resolve low wavenumbers of the P-wave and S-wave ve
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Malcoci, Iulian. "Sound Reasearch in Precessional Transmission." Applied Mechanics and Materials 657 (October 2014): 584–88. http://dx.doi.org/10.4028/www.scientific.net/amm.657.584.

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Sound may be defined as any pressure variation (in air, water or other medium) that the human ear can detect. Just like dominoes, a wave motion is set off when an element sets the nearest particle of air into motion. This motion gradually spreads to adjacent air particles further away from the source. Depending on the medium, sound propagates at different speeds. In air, sound propagates at a speed of approximately 340 m/s. In liquids and solids, the propagation velocity is greater 1500 m/s in water and 5000 m/s in steel [2].
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Li, Yingsong, Wenxing Li, and Qiubo Ye. "A CPW-Fed Circular Wide-Slot UWB Antenna with Wide Tunable and Flexible Reconfigurable Dual Notch Bands." Scientific World Journal 2013 (2013): 1–10. http://dx.doi.org/10.1155/2013/402914.

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A coplanar waveguide (CPW)-fed circular slot antenna with wide tunable dual band-notched function and frequency reconfigurable characteristic is designed, and its performance is verified experimentally for ultra-wideband (UWB) communication applications. The dual band-notched function is achieved by using a T-shaped stepped impedance resonator (T-SIR) inserted inside the circular ring radiation patch and by etching a parallel stub loaded resonator (PSLR) in the CPW transmission line, while the wide tunable bands can be implemented by adjusting the dimensions of the T-SIR and the PSLR. The notc
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Naqui, Jordi, Lijuan Su, Javier Mata, and Ferran Martín. "Recent Advances in the Modeling of Transmission Lines Loaded with Split Ring Resonators." International Journal of Antennas and Propagation 2015 (2015): 1–13. http://dx.doi.org/10.1155/2015/792750.

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This paper reviews the recent advances in the modeling of transmission lines loaded with split ring resonators (SRRs). It is well known that these artificial lines can exhibit a negative effective permeability in a narrow band above the SRR fundamental resonance, providing stopband functionality. By introducing shunt inductive elements to the line, the stopband can be switched to a pass band with left-handed (LH) wave propagation. For the design of microwave circuits based on these artificial lines, accurate circuit models are necessary. The former circuit model of SRR-loaded lines was present
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Xia, D. H., C. H. Liu, Y. K. Jin, H. Y. Ma, Y. Z. Tian, and Z. J. Wang. "Plans for the electron cyclotron heating system on J-TEXT." EPJ Web of Conferences 203 (2019): 04017. http://dx.doi.org/10.1051/epjconf/201920304017.

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A new 105 GHz/500 kW/1 s electron cyclotron resonance heating (ECRH) system has been designed and being constructed on J-TEXT Tokamak. This system mainly consists of a microwave source, a transmission line, a launcher and other auxiliary units. Based on corrugated waveguides, the wave from the gyrotron can be efficiently transmitted with HE11 mode to the steerable quasi-optical launcher for injection. The transmission efficiency is about 85%, and the injection angle of the wave can be adjusted by the flat mirror of the launcher. Commissioning of this electron cyclotron heating system is schedu
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Li, Chong, Lai Bun Lok, Ata Khalid, Vasileios Papageorgiou, James Grant, and David R. S. Cumming. "Millimeter-wave coplanar stripline power dividers." International Journal of Microwave and Wireless Technologies 5, no. 3 (2013): 205–12. http://dx.doi.org/10.1017/s1759078713000421.

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We present the design, fabrication, and measurement of a 2-way modified Wilkinson divider constructed in a coplanar geometry exhibiting ultra wideband isolation, transmission, and port matching in the millimeter-wave frequency range. The proposed divider replaces the lumped resistor in the conventional Wilkinson divider with two quarter-wave length transmission lines, a phase inverter, and two 2Z0 resistors. Except for the three ports that are coplanar waveguides (CPWs), the main body of the divider uses coplanar striplines (CPS). The phase inverter is realized using a simple airbridge-based c
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Dissertations / Theses on the topic "Slow-wave transmission line S-CPW"

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Bovadilla, Robert Aleksander Gavidia. "Tecnologias para defasadores baseados em MEMS e linhas de transmissão de ondas lentas." Universidade de São Paulo, 2018. http://www.teses.usp.br/teses/disponiveis/3/3140/tde-03102018-093939/.

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O desenvolvimento deste trabalho foi motivado pela alta demanda de novas aplicações para o mercado do consumidor que necessitam de sistemas de transmissão e recepção de dados sem fio trabalhando na região de ondas milimétricas (mmW - entre 30 GHz e 300 GHz). Para estes tipos de sistemas, os defasadores são cruciais por definir o custo e o tamanho do dispositivo final. A pesquisa bibliográfica mostra que a melhor opção são os defasadores passivos do tipo linha carregada que utilizam Sistemas Microeletromecânicos (MEMS) como elemento de ajuste para a mudança de fase. Por esse motivo neste trabal
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Janse, van Rensburg Christo. "A SiGe BiCMOS LNA for mm-wave applications." Diss., University of Pretoria, 2012. http://hdl.handle.net/2263/26501.

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A 5 GHz continuous unlicensed bandwidth is available at millimeter-wave (mm-wave) frequencies around 60 GHz and offers the prospect for multi gigabit wireless applications. The inherent atmospheric attenuation at 60 GHz due to oxygen absorption makes the frequency range ideal for short distance communication networks. For these mm-wave wireless networks, the low noise amplifier (LNA) is a critical subsystem determining the receiver performance i.e., the noise figure (NF) and receiver sensitivity. It however proves challenging to realise high performance mm-wave LNAs in a silicon (Si) complemen
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Tang, Xiaolan. "Apport des lignes à ondes lentes S-CPW aux performances d'un front-end millimétrique en technologie CMOS avancée." Phd thesis, Université de Grenoble, 2012. http://tel.archives-ouvertes.fr/tel-00863965.

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L'objectif de ce travail est de concevoir et de caractériser un front-end millimétriqueutilisant des lignes de propagation à ondes lentes S-CPW optimisées en technologies CMOS avancées.Ces lignes présentant des facteurs de qualité 2 à 3 fois supérieurs à ceux des lignes classiques de typemicroruban ou CPW.Dans le premier chapitre, l'impact de l'évolution des noeuds technologiques CMOS sur lesperformances des transistors MOS aux fréquences millimétriques et sur les lignes de propagation ainsiqu'un état de l'art concernant les performances des front-end sont présentés. Le deuxième chapitreconcer
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Conference papers on the topic "Slow-wave transmission line S-CPW"

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Yang, H. Y. David, Vamsee K. Chekka, and Haijiang Ma. "Slow-wave transmission line transformers/baluns." In 2010 IEEE/MTT-S International Microwave Symposium - MTT 2010. IEEE, 2010. http://dx.doi.org/10.1109/mwsym.2010.5517577.

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Yang, H., V. Chekka, and H. Ma. "Slow-wave transmission line transformers/baluns." In 2010 IEEE/MTT-S International Microwave Symposium - MTT 2010. IEEE, 2010. http://dx.doi.org/10.1109/mwsym.2010.5515404.

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Tang, Xiao-Lan, Qingfeng Zhang, Yifan Chen, and Sanming Hu. "Spoof surface plasmon (SSP) transmission line transition design using slow-wave coplanar waveguide (S-CPW)." In 2017 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting. IEEE, 2017. http://dx.doi.org/10.1109/apusncursinrsm.2017.8072279.

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Huang, Wen, Yi Ren, Bing Wang, and Wei Luo. "Design of Periodic Slow-Wave Transmission Line Unit with CPW Structure." In 2018 International Conference on Microwave and Millimeter Wave Technology (ICMMT). IEEE, 2018. http://dx.doi.org/10.1109/icmmt.2018.8563689.

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Yanyan Zhang and H. Y. David Yang. "Ultra slow-wave periodic transmission line using 3D substrate metallization." In 2008 IEEE MTT-S International Microwave Symposium Digest - MTT 2008. IEEE, 2008. http://dx.doi.org/10.1109/mwsym.2008.4632976.

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Huang, Wen, Jinsheng Dong, Fei Tan, and Wei Ruan. "Slow-Wave Transmission Line Unit with Spiral-Shaped Branches and Defected Grounds for CPW." In 2018 11th UK-Europe-China Workshop on Millimeter Waves and Terahertz Technologies (UCMMT). IEEE, 2018. http://dx.doi.org/10.1109/ucmmt45316.2018.9015909.

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Wessel, Jan, Klaus Schmalz, J. Christoph Scheytt, and Chafik Meliani. "Switchable slow wave transmission line in 130 nm SiGe technology at 115 GHz for phase detection based biosensors." In 2014 IEEE/MTT-S International Microwave Symposium - MTT 2014. IEEE, 2014. http://dx.doi.org/10.1109/mwsym.2014.6848446.

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Margalef-Rovira, Marc, Tadeu Mota-Frutuoso, Abdelhalim A. Saadi, et al. "Miniaturization of Transmission Lines: Meandered Slow-wave CPWs." In 2020 IEEE MTT-S International Conference on Microwaves for Intelligent Mobility (ICMIM). IEEE, 2020. http://dx.doi.org/10.1109/icmim48759.2020.9299107.

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Lu, H. J., Y. X. Guo, K. Faeyz, C. K. Cheng, and J. Wei. "Liquid Crystal Polymer (LCP) for Characterization of Millimer-Wave Transmission Lines and Bandpass Filters." In ASME 2009 International Mechanical Engineering Congress and Exposition. ASMEDC, 2009. http://dx.doi.org/10.1115/imece2009-10573.

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In this paper, a multi-layer LCP substrate fabrication process was described and millimeter wave transmission lines and filters were designed and fabricated on the LCP substrate. Various transitions from a CPW to a microstrip line with their characteristic impedance being 50 ohms were investigated. The characteristics of the wirebonding assembly for connecting two transmission lines was also examined. The measurement results show that an insertion loss of 1.3 dB at 60 GHz can be achieved for the two-wire bonding trasmisssion line including two transitions from a CPW to a microstrip line.
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Chen, A., R. Sreekumar, L. Melikian, and S. Ardalan. "Tunable CPW-based transmission line for mm-wave applications." In 2017 Texas Symposium on Wireless and Microwave Circuits and Systems (WMCS). IEEE, 2017. http://dx.doi.org/10.1109/wmcas.2017.8070681.

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Reports on the topic "Slow-wave transmission line S-CPW"

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Vargas-Herrera, Hernando, Juan Jose Ospina-Tejeiro, Carlos Alfonso Huertas-Campos, et al. Monetary Policy Report - April de 2021. Banco de la República de Colombia, 2021. http://dx.doi.org/10.32468/inf-pol-mont-eng.tr2-2021.

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1.1 Macroeconomic summary Economic recovery has consistently outperformed the technical staff’s expectations following a steep decline in activity in the second quarter of 2020. At the same time, total and core inflation rates have fallen and remain at low levels, suggesting that a significant element of the reactivation of Colombia’s economy has been related to recovery in potential GDP. This would support the technical staff’s diagnosis of weak aggregate demand and ample excess capacity. The most recently available data on 2020 growth suggests a contraction in economic activity of 6.8%, lowe
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