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Journal articles on the topic 'Waveguide-coaxial transition'

Author: Grafiati

Published: 28 May 2022

Last updated: 30 July 2025

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1

Chakrabarty, Soumyabrata, Vijay Kumar Singh, and Shashi Bhusan Sharma. "Dual frequency coaxial rotary joint with multi-stepped transition." International Journal of Microwave and Wireless Technologies 2, no. 2 (2010): 219–24. http://dx.doi.org/10.1017/s1759078710000127.

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The present paper presents the design and development of a dual-channel microwave rotary joint using coaxial waveguide as primary waveguide and rectangular waveguide as the secondary waveguide. Design is presented at 5.85–7.02 GHz with 20% bandwidth and at 14–14.5 GHz bands with 3.6% bandwidth using dual channel mode transducers exciting transverse electromagnetic (TEM) mode in the coaxial waveguide. Rectangular to coaxial waveguide transitions employing multi-stepped doorknob transitions are used to excite the TEM mode from the rectangular waveguide. The measured results for electrical parame

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2

Dansran, Bayarsaikhan, Songyuan Xu, Jiwon Heo, Chan-Soo Lee, and Bierng-Chearl Ahn. "Design of a Broadband Transition from a Coaxial Cable to a Reduced-Height Rectangular Waveguide." Applied Sciences 13, no. 20 (2023): 11265. http://dx.doi.org/10.3390/app132011265.

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For miniaturization, rectangular waveguides with a reduced height are often required, along with a coaxial transition for signal launching. We present a simulation-based design of a broadband transition from a coaxial cable to a rectangular waveguide with the height(b)-to-width(a) ratio b/a ranging from 0.125 to 0.375. The proposed transition consists of a coaxial probe with a cylindrical head or a disk and two symmetrically placed tuning posts. To extend the operating frequency range, three sections of the rectangular waveguide are employed with properly chosen dimensions. Design examples are

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3

Shirokov, Igor, Pavel A. Evdokimov, and Maria Sokolova. "Modeling a Coaxial-Waveguide Transition in the ANSYS HFSS Software Package." Infocommunications and Radio Technologies 5, no. 2 (2022): 247–52. http://dx.doi.org/10.29039/2587-9936.2022.05.2.18.

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Within the framework of this work, the process of designing a coaxial-waveguide transition necessary for connecting the waveguide path with the electronic part of the device for controlling changes in the composition of the air environment is described. The results of modeling a coaxial-waveguide transition in the ANSYS HFSS software package are presented. The value of VSWR obtained as a result of modeling for the task is optimal.

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4

Simone, Marco, Alessandro Fanti, Matteo Bruno Lodi, Tonino Pisanu, and Giuseppe Mazzarella. "An In-Line Coaxial-to-Waveguide Transition for Q-Band Single-Feed-Per-Beam Antenna Systems." Applied Sciences 11, no. 6 (2021): 2524. http://dx.doi.org/10.3390/app11062524.

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An in-line transition between a coaxial cable and rectangular waveguide operating in Q-band (33–50 GHz) is presented. The aim of the work is to minimize the modifications in the waveguide to the strictly necessary to overcome the manufacturing issues due to the high frequencies involved. In addition, the transition is compact and it does not increase the space occupation on the transverse section, this suggests its application in horn antennas clusters arrangement. The operating principle consists of both a modal conversion and an impedance matching between the devices. The modal conversion is

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5

Altanzaya, Erdenesukh, Jiwon Heo, Songyuan Xu, et al. "Computational Design of an In-Line Coaxial-to-Circular Waveguide Adapter with More Than an Octave Bandwidth." Symmetry 16, no. 3 (2024): 304. http://dx.doi.org/10.3390/sym16030304.

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This paper presents a computer-simulation-based design of an in-line, coaxial-to-circular waveguide adapter for converting the coaxial transverse electromagnetic (TEM) mode to the circular waveguide TE11 mode over more than a one-octave bandwidth. The proposed adapter consists of a coaxial-to-rectangular waveguide transformer employing a stepped-ridge converter and a rectangular-to-circular waveguide transformer employing a curved transition. The proposed adapter has been optimized using a commercial simulation tool. The dimensions of the designed adapter are given so that it can be verified b

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6

Shams, Shoukry I., and Ahmed A. Kishk. "Wideband Coaxial to Ridge Gap Waveguide Transition." IEEE Transactions on Microwave Theory and Techniques 64, no. 12 (2016): 4117–25. http://dx.doi.org/10.1109/tmtt.2016.2610421.

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7

Yousefian, Mohsen, Seyed Jalil Hosseini, and Masoud Dahmardeh. "Compact broadband coaxial to rectangular waveguide transition." Journal of Electromagnetic Waves and Applications 33, no. 9 (2019): 1239–47. http://dx.doi.org/10.1080/09205071.2019.1606737.

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8

Zhang, Qiongyue, Songyuan Xu, Jiwon Heo, et al. "Computational Design of a Broadband In-Line Coaxial-to-Rectangular Waveguide Transition." Applied Sciences 14, no. 1 (2023): 74. http://dx.doi.org/10.3390/app14010074.

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This Communication presents a computational design approach for a broadband in-line coaxial-to-rectangular waveguide transition having a 2.83:1 bandwidth. Existing designs have a bandwidth ranging from 1.36:1 to 2:1. The proposed transition consists of a four-step ridge transformer and three sections of the rectangular waveguide. The proposed design approach extends the bandwidth of the transition by a theory-based design of the width and height of the three-section waveguides and by a computer-aided optimization of the stepped-ridge transformer. The dimensions of the three waveguide sections

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9

Rossi, Riccardo, and Roberto Vincenti Gatti. "X-Band In-Line Coaxial-to-Groove Gap Waveguide Transition." Electronics 11, no. 15 (2022): 2361. http://dx.doi.org/10.3390/electronics11152361.

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A coaxial-to-groove gap waveguide transition is proposed for the first time, addressing the lack of similar designs in the state-of-the-art literature. An in-line configuration is adopted in case of stringent space requirements in groove gap waveguide systems. This device has no dielectric and makes use of a waveguide multi-step ridged section connected to the inner conductor of a coaxial line. Three versions are presented, covering progressively wider bandwidths depending on the number of employed steps. The three configurations achieve 20-dB return loss fractional bandwidths of 2.63%, 16.79%

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10

Glushechenko, E. N. "Principles of implementing coaxial microwave connectors for modern radioelectronic systems." Технология и конструирование в электронной аппаратуре, no. 5-6 (2020): 20–27. http://dx.doi.org/10.15222/tkea2020.5-6.20.

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Many modern radioelectronic systems are based on antenna arrays such as APAA (active phased array antenna) or DAAR (digital active array antenna), which require specialized connectors of new types and design solutions for the input/output of the microwave signal. The aim of this work is to improve the performance and reliability of coaxial microstrip connectors and coaxial waveguide transformer connectors of longitudinal type. The paper analyzes the arrangement principles of antenna feeders in modern radioelectronic systems with microwave connectors and substantiates the need to create new typ

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11

Huang, Yangzhen, Junping Geng, Xianling Liang, Ronghong Jin, and Xudong Bai. "A Novel CP Horn Antenna with Switchable Polarization by Single Port Feeding." International Journal of Antennas and Propagation 2015 (2015): 1–9. http://dx.doi.org/10.1155/2015/562521.

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A novel CP horn antenna with switchable polarization by single port feeding is presented. The antenna is composed of a coaxial-waveguide converter and a balance-cavity, a horn, a square-to-circular waveguide transition, and a stepped-septum polarizer, which simplify the feeding and can work on the left-hand or right-hand circular polarizations by manual exchanging the mounting position of the coaxial-waveguide converter and the balance-cavity. The antenna achieves an impedance bandwidth (3.88~5.12 GHz) of 27.5% and a 3 dB-AR (Axial Ratio) bandwidth of 18.6%, with the 3 dB-AR beamwidth of about

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12

Dubrovka, Fedor, and Eugene Saratov. "Broadband Transition from Coaxial Line to Circular Waveguide." Radioelectronics and Communications Systems 66, no. 7 (2023): 380–84. http://dx.doi.org/10.3103/s073527272210003x.

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13

Xia, Lei, Jia-Lin Li, Zhuang Ji, and Shan-Shan Gao. "An in-line coaxial-to-circular waveguide transition at X band." Journal of Electrical Engineering 71, no. 1 (2020): 55–59. http://dx.doi.org/10.2478/jee-2020-0008.

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AbstractA wideband transition from the coaxial TEM mode to the TM01 mode of the circular waveguide with in-line input-output architecture is proposed in this paper. The transition employs multi-stage stepped impedance transformer to achieve wideband responses. Both mode transition and impedance matching characteristics are discussed in the paper. A demonstrator is developed and validated experimentally. As compared with some recently published reports, a better performance is observed. Moreover, the developed transition could facilitate the mechanical fabrication more easily. It can be found w

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14

Keam, R. B. "Broadband design of coaxial line/rectangular waveguide probe transition." IEE Proceedings - Microwaves, Antennas and Propagation 141, no. 1 (1994): 53. http://dx.doi.org/10.1049/ip-map:19949798.

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15

Qi, Mei Qing, He-Xiu Xu, Hui Feng Ma, Mou Ping Jin, Wei Wang, and Tie Jun Cui. "A Wideband Waveguide Antenna with Nearly Equal E- and H-Plane Radiation Patterns." International Journal of Antennas and Propagation 2013 (2013): 1–8. http://dx.doi.org/10.1155/2013/608393.

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A novel wideband waveguide antenna with excellent performance is proposed, which is composed of a coaxial-waveguide transition and an open-ended rectangular waveguide loaded with a pair of horizontal umbrella-shaped metallic brims. The brims perpendicular to two broad walls of the waveguide are constructed to modulate the antenna to radiate nearly identical E- and H-plane radiation patterns. A wideband impedance matching performance is achieved with a fractional bandwidth of 40% through the introduction of short-stepped ladders. The antenna has the advantages of simple structure, symmetric rad

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16

Morozov, V. M., and V. I. Magro. "Application of the method of integral equation for calculating a step-transition in a coaxial waveguide." Journal of Physics and Electronics 28, no. 1 (2020): 69–76. http://dx.doi.org/10.15421/332012.

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The stepwise transition in the coaxial waveguide is calculated by the integral equation method. To solve the problem, the entire region of field definition is conditionally divided into three partial areas for which the field components are recorded. A system of equations is obtained that allows one to calculate the reflection coefficient of a T-wave from this homogeneity. The geometric dimensions of the waveguide, which provide the minimum value of the reflection coefficient, are given.

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17

Tikhov, Y., In Sang Song, Jong Hwa Won, and Jeong Phill Kim. "Compact broadband transition from double-ridge waveguide to coaxial line." Electronics Letters 39, no. 6 (2003): 530. http://dx.doi.org/10.1049/el:20030340.

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18

Bang, Jae‐Hoon, and Bierng‐Chearl Ahn. "Coaxial‐to‐circular waveguide transition with broadband mode‐free operation." Electronics Letters 50, no. 20 (2014): 1453–54. http://dx.doi.org/10.1049/el.2014.2667.

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19

Deng, Jie, Qingyuan Wang, and Peng Zhao. "A compact ultra-wideband ridge waveguide to coaxial line transition." Review of Scientific Instruments 89, no. 10 (2018): 104707. http://dx.doi.org/10.1063/1.5053883.

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20

Liu, Qiang, Yuanan Liu, Yongle Wu, et al. "A SUBSTRATE INTEGRATED WAVEGUIDE TO SUBSTRATE INTEGRATED COAXIAL LINE TRANSITION." Progress In Electromagnetics Research C 36 (2013): 249–59. http://dx.doi.org/10.2528/pierc12122503.

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21

Nasr, Mohamed A., and Ahmed A. Kishk. "Wideband Inline Coaxial to Ridge Waveguide Transition With Tuning Capability for Ridge Gap Waveguide." IEEE Transactions on Microwave Theory and Techniques 66, no. 6 (2018): 2757–66. http://dx.doi.org/10.1109/tmtt.2018.2815690.

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22

Tao, Changjian, Haidong Zheng, and Chuan Jin. "A Compact Horizontal Coaxial to Ridge Gap Waveguide Transition for Ka-Band." International Journal of RF and Microwave Computer-Aided Engineering 2023 (September 6, 2023): 1–8. http://dx.doi.org/10.1155/2023/6477987.

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This paper presents a novel type of compact inline coaxial to ridge gap waveguide (RGW) transition, which covers the whole Ka frequency band. The structure connects with the connector's inner conductor through a rectangular probe directly. The probe is set in nail bed without any extra parts. Hence, a simple and compact transition comes to fruition at the circuit topology level. This transition can be considered as an inhomogeneous stripline, so the characteristic impedance can be analyzed similarly to the stripline. Beyond this, a mounting hole is drilled at rectangular probe to improve the r

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23

Komarov, Vyacheslav V. "Dominant Mode Wave Impedance of Regular Polygonal Waveguides." International Journal of Microwave Science and Technology 2014 (February 6, 2014): 1–4. http://dx.doi.org/10.1155/2014/485794.

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Polygonal metal waveguides are analyzed analytically and numerically. Classical equation for the wave impedance of arbitrary shaped waveguides is completed with approximate expression for the cutoff wavelength of the dominant mode. Proposed approach is tested with the help of 3D finite difference time domain models of microwave waveguides junctions. Obtained data are used for computer-aided design of microwave transition from coaxial line to cylindrical waveguide.

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24

Lee, Kwang-Jae, Duk-Jae Woo, Taek-Kyung Lee, and Jae-Wook Lee. "Circularly Polarized Wave Generating Coaxial to Waveguide Transition for Horn Antenna." Journal of Korean Institute of Electromagnetic Engineering and Science 21, no. 7 (2010): 823–30. http://dx.doi.org/10.5515/kjkiees.2010.21.7.823.

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25

Belenguer, Angel, Alejandro L. Borja, Hector Esteban, and Vicente E. Boria. "High-Performance Coplanar Waveguide to Empty Substrate Integrated Coaxial Line Transition." IEEE Transactions on Microwave Theory and Techniques 63, no. 12 (2015): 4027–34. http://dx.doi.org/10.1109/tmtt.2015.2496271.

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26

Chanakya, Talur, N. K. Manker, V. B. Naidu, and S. K. Datta. "Multipaction Susceptibility Margins in Space Travelling wave Tubes." Defence Science Journal 71, no. 03 (2021): 337–40. http://dx.doi.org/10.14429/dsj.71.16769.

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Study of multipaction breakdown margins in the output connector of a travelling-wave tube (TWT) is essential for application in satellite-borne systems. A TWT uses a coaxial ceramic window, a coaxial output coupler and / or a waveguide output coupler that are prone to multipaction breakdown boosted by high RF power due to the ion accumulation in critical regions during the transition of the satellite through plasma pockets in space. A detailed procedure for estimating the multipaction susceptibility margins in a TWT using CST studio and analytical equations is presented in this paper, and outp

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27

El Afendi, Mohamed Mounkid, Mohamed Tellache, Junwu Tao, Bilal Hadjadji, and Mouncef Benmimoune. "Dielectric characterization using FEM modeling and ANNs for coaxial waveguide with conical open ended radiation." International Journal of Microwave and Wireless Technologies 9, no. 3 (2016): 523–34. http://dx.doi.org/10.1017/s1759078716000283.

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Since last decades, microwaves have received tremendous attention as an interesting tool for material characterization. In general, standard microwave measurement methods require cutting and polishing of samples to put it in a suitable waveguide or cavity. However, several methods have been developed in order to permit a non-destructive measurement. A well-known method is based on coaxial open-ended waveguide, which is used as a sensor for dielectric characterizations. Moreover, with the requirement of new forms, developing mathematical model for each one is not convenient. Indeed, the complex

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28

Kim, Kang Wook, Dong Sik Woo, and Young Ki Cho. "A conically coupled waveguide-to-coaxial line transition in a reduced-height waveguide for compact transceivers." Microwave and Optical Technology Letters 48, no. 4 (2006): 669–73. http://dx.doi.org/10.1002/mop.21439.

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29

Lozano-Guerrero, Antonio Jose, Juan Monzo-Cabrera, Jaime Pitarch, et al. "Multimodal Retrieval of the Scattering Parameters of a Coaxial-to-Waveguide Transition." IEEE Transactions on Microwave Theory and Techniques 69, no. 12 (2021): 5241–49. http://dx.doi.org/10.1109/tmtt.2021.3121416.

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30

Vincenti Gatti, Roberto, Riccardo Rossi, and Marco Dionigi. "In‐line stepped ridge coaxial‐to‐rectangular waveguide transition with capacitive coupling." International Journal of RF and Microwave Computer-Aided Engineering 29, no. 3 (2018): e21626. http://dx.doi.org/10.1002/mmce.21626.

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31

Węgrzyniak, Paweł, Wojciech Gwarek, and Dariusz Baczewski. "Analysis and optimization of outputs of high power microwave tubes." Journal of Telecommunications and Information Technology, no. 1 (June 25, 2023): 35–39. http://dx.doi.org/10.26636/jtit.2007.1.791.

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The subject of this work is optimization of outputs of L-band high power microwave tubes. These outputs are constructed as coaxial-to-waveguide transitions with a vacuum barrier in a form of glass or ceramic cup. The goal of optimization is to obtain sufficiently low reflection loss in the predefined frequency band and to avoid so called hot spots caused by excessive dissipation of microwave power in parts of the cup. Electromagnetic simulator has been applied to model the behavior of the optimized transition and to propose its optimum shape. The proposed solutions were verified by Z.E. Lamina

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32

Jaimes-Vera, Aline, Ignacio Llamas-Garro, Maolong Ke, Yi Wang, Michael J. Lancaster, and Lluís Pradell. "Polymer-based micromachined rectangular coaxial filters for millimeter-wave applications." International Journal of Microwave and Wireless Technologies 3, no. 2 (2011): 115–20. http://dx.doi.org/10.1017/s1759078711000079.

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In this paper, micromachined devices for millimeter-wave applications at U- and V-bands are presented. These structures are designed using a rectangular coaxial line built of gold-coated SU-8 photoresist layers, where the coaxial center conductor is suspended in air by stubs. The designs include a stepped coplanar waveguide (CPW)-to-coaxial transition at 63 GHz, with an insertion loss of 0.39 dB at 67.75 GHz and a return loss better than −10 dB across the band of operation between 54.7 and 70.3 GHz. Two filters have been designed; one centered at 42 GHz with a 10% bandwidth, and another at 63

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33

Cano, J. L., and A. Mediavilla. "Octave bandwidth in‐line rectangular waveguide‐to‐coaxial transition using oversized mode conversion." Electronics Letters 53, no. 20 (2017): 1370–71. http://dx.doi.org/10.1049/el.2017.2507.

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34

Moznebi, A. ‐R, A. Arsanjani, K. Afrooz, and P. Mousavi. "Low‐loss and broadband coaxial line to air‐filled substrate integrated waveguide transition." Electronics Letters 55, no. 14 (2019): 801–3. http://dx.doi.org/10.1049/el.2019.1494.

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35

Yun, Je-Young, Joon-Woo Nho, Chan-Ho Lee, Young-Gyu Park, and Bieng-Chearl Ahn. "Design of a Circular Waveguide to Coaxial Cable Transition Employing a Printed Dipole." Journal of Korean Institute of Information Technology 15, no. 7 (2017): 65–71. http://dx.doi.org/10.14801/jkiit.2017.15.7.65.

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36

Zhou, Yang, En Li, Gao-Feng Guo, Tao Yang, and Lin-Sheng Liu. "Design of Millimeter Wave Wideband Transition From Double-ridge Waveguide to Coaxial Line." Journal of Infrared, Millimeter, and Terahertz Waves 32, no. 1 (2010): 26–33. http://dx.doi.org/10.1007/s10762-010-9747-4.

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37

Park, Young-Kyu, and Jae-Yong Min. "Design of a Square Waveguide-to-Coaxial Connector Transition with a Cylindrical Post." Journal of Korean Institute of Information Technology 23, no. 1 (2025): 125–32. https://doi.org/10.14801/jkiit.2025.23.1.125.

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38

Mikulić, Davorin, Evita Šopp, Davor Bonefačić, Juraj Bartolić, and Zvonimir Šipuš. "Design and Realization of Wearable Textile Slotted Waveguide Antennas." Sensors 23, no. 17 (2023): 7509. http://dx.doi.org/10.3390/s23177509.

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The design of wearable antennas presents a challenge from multiple perspectives, as they must meet technical requirements and satisfy safety standards while also being suitable for integration into clothing and aesthetically pleasing. In recent years, the development of conductive fabrics has, in many ways, allowed for significant progress in the manufacturing of wearable antennas, and in previous work, we developed textile slotted waveguide antennas using conductive textiles and traditional sewing processes. However, various aspects of the design and realization of such antennas remain challe

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39

Ye, Longfang, Ruimin Xu, Zhihui Wang, and Weigan Lin. "A novel broadband coaxial probe to parallel plate dielectric waveguide transition at THz frequency." Optics Express 18, no. 21 (2010): 21725. http://dx.doi.org/10.1364/oe.18.021725.

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40

Vincenti Gatti, R., R. Rossi, and M. Dionigi. "X‐band right‐angle coaxial‐to‐single ridge waveguide compact transition with capacitive coupling." Electronics Letters 55, no. 2 (2019): 103–5. http://dx.doi.org/10.1049/el.2018.7088.

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41

Ma, Xin, Shan Huang, Ganhua Ye, Tao Guan, and Qiang Fan. "AcpAS: An Advanced Circularly Polarized Antenna Structure for an Airborne Relay Communication System." Applied Sciences 14, no. 19 (2024): 9041. http://dx.doi.org/10.3390/app14199041.

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The airborne relay system is an important support for improving the stability of communication systems in complex electromagnetic environments. As a key component of the airborne relay system, the antenna needs to have characteristics such as high gain, dual circular polarization, wide beam coverage, and miniaturization. Based on the septum circular polarizer, this paper proposes a high-performance circularly polarized antenna structure suitable for airborne relay systems, named AcpAS. The structure consists of a coaxial feed port, a coaxial-to-waveguide transition, a septum circular polarizer

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42

Deepak, A. S. Dhavale, and P. C. Saroj. "Design and optimization of fundamental power coupler for 1.3 GHz superconducting cavity." Journal of Instrumentation 20, no. 05 (2025): T05007. https://doi.org/10.1088/1748-0221/20/05/t05007.

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Abstract Superconducting (SC) cavities are preferable over normal-conducting cavities for high duty factor or Continuous Wave (CW) operation. In SC cavities, the required Radio Frequency (RF) power is fed through a special kind of fundamental power coupler which makes use of both coaxial as well as waveguide. This kind of design utilizes advantages of both the types of coupler, which make them suitable for high power operation inside cryo-module. In this paper, fundamental power coupler is designed for TESLA shape cavity having 9-cells and resonating at 1.3 GHz frequency. A geometrical factor

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43

Wu, Changying, Congxiang Li, Chufeng Hu, and Yevhen Yashchyshyn. "Dual-Polarization and Low-Sidelobe Corrugated Rectangular Horn Antennas for Outdoor RCS Measurement." Frequenz 74, no. 1-2 (2020): 33–40. http://dx.doi.org/10.1515/freq-2019-0039.

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AbstractOutdoor radar cross section (RCS) measurement suffers background clutter. Such clutter needs to be minimized, especially when measuring low RCS level objects. To do this, a pair of corrugated horn antennas with a rectangular aperture has been designed, fabricated, and measured to improve the performance of outdoor RCS measurement. This antenna consists of a coaxial-waveguide adaptor, a square-rectangular waveguide transition, a corrugated rectangular horn, and chokes. A comparison of the performances of several corrugation profiles is provided. The tangential profile surpasses others b

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44

Afifi, Islam, Mohamed Mamdouh M. Ali, and Abdel-Razik Sebak. "Analysis and Design of a Wideband Coaxial Transition to Metal and Printed Ridge Gap Waveguide." IEEE Access 6 (2018): 70698–706. http://dx.doi.org/10.1109/access.2018.2881732.

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45

Luo, Wuqiong, Masataka Ohira, Amane Miura, and Masazumi Ueba. "Study on equivalent circuit of coaxial line to post-wall waveguide transition in 60-GHz band." Microwave and Optical Technology Letters 52, no. 3 (2010): 623–26. http://dx.doi.org/10.1002/mop.25020.

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46

Yu, Kyung-Wan Yu, Sung-Choon Kang Kang, Hee-Jin Kang Kang, Jae-Hoon Choi Choi, and Jin-Dae Kim Kim. "The Analysis of a Coaxial-to-Waveguide Transition Using FDTD with Cylindrical to Rectangular Cell Interpolation Scheme." ETRI Journal 21, no. 2 (1999): 1–8. http://dx.doi.org/10.4218/etrij.99.0199.0201.

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47

Lozano-Guerrero, Antonio José, Juan Monzó-Cabrera, Francisco Javier Clemente-Fernández, José Fayos-Fernández, Juan Luis Pedreño-Molina, and Alejandro Díaz-Morcillo. "Electromagnetic Equivalent Models for Printed Circuit Boards Inside a Metallic Enclosure Using a Coaxial-to-Waveguide Transition Calibration." IEEE Transactions on Electromagnetic Compatibility 54, no. 4 (2012): 931–39. http://dx.doi.org/10.1109/temc.2012.2184120.

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48

Göttmann, O., U. Kaatze, and P. Petong. "Coaxial to circular waveguide transition as high-precision easy-to-handle measuring cell for the broad band dielectric spectrometry of liquids." Measurement Science and Technology 7, no. 4 (1996): 525–34. http://dx.doi.org/10.1088/0957-0233/7/4/010.

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49

Korotkov, A. N., and A. N. Lozhkin. "Analysis of Broadband Horn Antenna Designs Based on the Vivaldi Antenna." Ural Radio Engineering Journal 8, no. 3 (2024): 389–411. https://doi.org/10.15826/urej.2024.8.3.006.

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A review of the current state of development in wideband horn antenna design is presented in this paper.The main constructive features of most such antennas are two matching edges embedded into the aperture after some straight section. Many works focus on various forms of horns, with pyramidal and periodic sidewall horn being standard for the most popular operating frequency range of 1–18 GHz. Coaxial-waveguide transition (CWT) has many designs and is an essential element of all antenna structures. A conventional CWT and resonant chamber structure consists of a rectangular cavity into which tw

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Dolmatov, Arthur V., Sergey S. Maklakov, Anastasia V. Artemova, Dmitry A. Petrov, Artem O. Shiryaev, and Andrey N. Lagarkov. "Deposition of Thick SiO2 Coatings to Carbonyl Iron Microparticles for Thermal Stability and Microwave Performance." Sensors 23, no. 3 (2023): 1727. http://dx.doi.org/10.3390/s23031727.

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Abstract:

Thick dielectric SiO2 shells on the surface of iron particles enhance the thermal and electrodynamic parameters of the iron. A technique to deposit thick, 500-nm, SiO2 shell to the surface of carbonyl iron (CI) particles was developed. The method consists of repeated deposition of SiO2 particles with air drying between iterations. This method allows to obtain thick dielectric shells up to 475 nm on individual CI particles. The paper shows that a thick SiO2 protective layer reduces the permittivity of the ‘Fe-SiO2—paraffin’ composite in accordance with the Maxwell Garnett medium theory. The pro

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