Academic literature on the topic 'Antennal bole'

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Journal articles on the topic "Antennal bole"

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binti Harun, Siti Fatimah, Mohd Fais bin Mansor, and Norbahiah binti Misran. "Reconfigurable Reflectarray Antenna: Background, Classification and Configurable Mechanisms." Jurnal Kejuruteraan 35, no. 5 (2023): 1249–64. http://dx.doi.org/10.17576/jkukm-2023-35(5)-24.

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Reflectarray antennas have emerged as one of the most suitable choice for 5G network base station antennas due to their ability to combine the advantages of parabolic reflectors and phased array antennas. These antennas offer a lightweight structure, high gain, and low impedance mismatch losses. High gain and low loss are crucial factors in ensuring the antenna delivers low latency and high-quality 5G radio signals. The application of 5G technology becomes more practical and efficient with the capability to adjust the functionality of a single 5G antenna or enable reconfiguration. This reconfi
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Mohamad, Sarah Yasmin, Ahmad Alhadi Ruslan, Khairayu Badron, Ahmad Fadzil Ismail, Norun Farihah Abdul Malek, and Farah Nadia Mohd Isa. "STUDY OF MICROSTRIP PATCH ARRAY ANTENNA FOR SIDE LOBE SUPPRESSION IN THE X-BAND REGION USING UNIFORM, BINOMIAL AND TSCHEBYSCHEFF EXCITATION METHODS." IIUM Engineering Journal 21, no. 1 (2020): 61–72. http://dx.doi.org/10.31436/iiumej.v21i1.1221.

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In this paper, a microstrip patch array antenna is designed and simulated to operate in the X-band frequency region at 9.5 GHz. For X-band communication transmission, it is necessary to suppress the side lobe radiation pattern of the antenna as much as possible to avoid the transmission being intercepted and/or received by undesirable neighbouring satellites. The geometrical design of the microstrip patch array antenna is simulated and executed using CST Microwave Studio (CST MWS) in order to study the effects of various antenna parameters such as S11, gain, directivity, side lobe level, and a
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Bonenberger, Christopher M. A., and Klaus W. Kark. "A Broadband Impedance-Matching Method for Microstrip Patch Antennas Based on the Bode-Fano Theory." Frequenz 72, no. 7-8 (2018): 373–80. http://dx.doi.org/10.1515/freq-2018-0037.

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Abstract Considering the narrow bandwidth of microstrip antennas, but also their applicability in upcoming technologies, this paper addresses the problem of wide-band matching, the theoretical bounds on the matching bandwidth and low-cost and low-complexity matching strategies. In this context the Bode-Fano bounds of single mode, linearly polarized aperture-coupled microstrip antennas is evaluated, optimized and compared to the theoretical bounds on matching bandwidth of other common feeding technologies. A detailed study of the input impedance of aperture-coupled patch antennas shows how to w
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Jagodzińska, Katarzyna, Stanisław Dziura, and Maciej Walkowiak. "Active Impedance Matching." Solid State Phenomena 210 (October 2013): 3–8. http://dx.doi.org/10.4028/www.scientific.net/ssp.210.3.

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Electrically small antenna suffer from the high Q impedance such as narrow bandwidth and poor gain. To improve them, passive impedance matching is often used but it is restricted to a Bode-Fano limit. To skip it, active matching incorporating non-Foster circuits can provide a good solution. Using non-Foster theory, in this paper an active reactance circuit (ARC) design is proposed for application to electrically small antenna prototypes.
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Haldhar, SM, and RS Singh. "Report of Dictyla cheriani Drake (Hemiptera: Tingidae) on Indian Cherry (Cordia myxa L.) in Rajasthan, India: incidence and morphometric analysis." Indian Journal of Agricultural Sciences 84, no. 1 (2014): 128–30. https://doi.org/10.5281/zenodo.6814794.

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The infestation of Dictyla cheriani (Drake) (Hemiptera: Tingidae) on Indian cherry (Cordia myxa L.), was noticed in 2010 at the Experimental Farm of Central Institute for Arid Horticulture and other fields of Bikaner district, Rajasthan, India.  The  maximum  incidence  was  observed  in  October (51.67% on bold and 76.67% on small seeded plants) and minimum was in January (11.67% on bold and 21.67% on small seeded plants). The number of this lace bug ranged between (0.5 to 8.8 on bold and 4.5 to 25.97 on small seeded plants)  nymphs  and &nbsp
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SADMAN, SHARIF, MD. RABIUL ISLAM SHEIKH, and JAHID HASAN MD. "DESIGN AND ANALYSIS OF UHF ANTENNA FOR BONE FRACTURE MONITORING." Jilin Daxue Xuebao (Gongxueban)/Journal of Jilin University (Engineering and Technology Edition) 42, no. 09 (2023): 222–35. https://doi.org/10.5281/zenodo.8343692.

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<strong>Abstract</strong> A bone fracture is a complete or partial break in the bone&#39;s connective tissue. Every bone within the body is prone to breaking. This paper demonstrates the development of an UHF antenna that may be employed for bone fracture monitoring. The proposed dipole antenna length is 135.13 mm, feeding gap is 20 mm and wire diameter is 5 mm. Proposed antenna operates from 824 MHz to 936 MHz with an impedance bandwidth of 112 MHz. A cylindrical bone fracture model is also designed with appropriate dielectric materials in CST. The difference of reflection co-efficient (S<sub
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Haase, Albrecht, Elisa Rigosi, Federica Trona, et al. "In-vivo two-photon imaging of the honey bee antennal lobe." Biomedical Optics Express 2, no. 1 (2010): 131. http://dx.doi.org/10.1364/boe.2.000131.

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Soltani, Navid, Elham Rabbany Esfahany, Sergey I. Druzhinin, et al. "Biosensing with a scanning planar Yagi-Uda antenna." Biomedical Optics Express 13, no. 2 (2022): 539. http://dx.doi.org/10.1364/boe.445402.

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Berrier, Audrey, Martijn C. Schaafsma, Guillaume Nonglaton, Jonas Bergquist, and Jaime Gómez Rivas. "Selective detection of bacterial layers with terahertz plasmonic antennas." Biomedical Optics Express 3, no. 11 (2012): 2937. http://dx.doi.org/10.1364/boe.3.002937.

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Bahriah, Yuli, Novita Mila Sari, Rita Rukmawati, and Mala Rispa. "PENYULUHAN DAN KONSELING YOGA PADA KEHAMILAN." Community Development Journal : Jurnal Pengabdian Masyarakat 2, no. 3 (2022): 1161–66. http://dx.doi.org/10.31004/cdj.v2i3.2982.

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Penyuluhan ini bertujuan untuk meningkatkan pengetahuan ibu hamil mengenai pengertian yoga, manfaat melakukan yoga, kapan boleh melakukan yoga, dan kondisi yang tidak boleh melakukan yoga hamil. di Kelurahan Kemas Rindo terlebih dimasa pandemi Covid-19. Kehamilan merupakan proses fisiologis, tetapi dalam masa kehamilan tersebut ibu hamil memerlukan asuhan kebidanan untuk mengevaluasi kondisi kesehatan dan kehamilannya. Yoga antenatal merupakan keterampilan mengolah pikiran, berupa teknik pengembangan kepribadian secara menyeluruh baik fisik, psikologis dan spiritual. Yoga antenatal dapat memba
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Dissertations / Theses on the topic "Antennal bole"

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Marty, Simon. "Influence of social and ecological factors on the evolution of the olfactory system in Hymenoptera." Electronic Thesis or Diss., université Paris-Saclay, 2024. http://www.theses.fr/2024UPASL039.

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Le mode de vie des animaux repose sur un ensemble de comportements qui nécessitent une détection et un traitement fiables de l'information sensorielle par les circuits neuronaux. Le système olfactif, qui perçoit l'environnement chimique, a été modelé par diverses pressions de sélections, entraînant une diversification de son organisation. L'ordre des Hyménoptères se révèle pertinent pour aborder la question de l'adaptation des traits sensoriels. Il englobe en effet plusieurs transitions écologiques ayant entraîné une grande diversité de modes de vie, de la phytophagie à la prédation, en passan
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Cruz, Agnaldo Souza. "Medi??o da densidade ?ssea atrav?s de ondas eletromagn?ticas e classifica??o por MVS." Universidade Federal do Rio Grande do Norte, 2014. http://repositorio.ufrn.br:8080/jspui/handle/123456789/15501.

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Made available in DSpace on 2014-12-17T14:56:18Z (GMT). No. of bitstreams: 1 AgnaldoSC_DISSERT.pdf: 3215263 bytes, checksum: 06abde096dfaaf0e97474cf2a5cd25fd (MD5) Previous issue date: 2014-01-13<br>This work holds the purpose of presenting an auxiliary way of bone density measurement through the attenuation of electromagnetic waves. In order to do so, an arrangement of two microstrip antennas with rectangular configuration has been used, operating in a frequency of 2,49 GHz, and fed by a microstrip line on a substrate of fiberglass with permissiveness of 4.4 and height of 0
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Varão, Ricardo Emanuel Albuquerque. "Levantamento de estatísticas de posse de bola com RFID." Master's thesis, Universidade de Aveiro, 2014. http://hdl.handle.net/10773/14572.

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Mestrado em Engenharia Eletrónica e Telecomunicações<br>Esta dissertação consistiu no estudo de várias tecnologias nomeadamente o RFID, de forma a conceber um sistema que seja capaz de medir a posse de bola de num jogo de futsal. O estudo focou-se em qual tipo de sistema RFID a utilizar, quais as vantagens e desvantagens de cada um e qual melhor se adequaria para os dipositivos a realizar. Da mesma forma, estudar qual o melhor meio de comunicação sem fios e tipo de arquitetura, apresentando as vantagens e desvantagens de cada um. Após as escolhas feitas, passou-se para a conceção dos disposit
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Barnard, Daniel David. "Bore sight error analysis in seeker antennas : a fully functional GUI interfaced ray tracing solution." Thesis, Stellenbosch : Stellenbosch University, 2013. http://hdl.handle.net/10019.1/79991.

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Thesis (MScEng)--Stellenbosch University, 2013.<br>ENGLISH ABSTRACT: Airborne seeker antennas are usually enclosed within a dielectric radome for protection against their harsh operational environment. However the presence of a radome can introduce serious degrading effects on the radiation and electrical performance of the enclosed antenna. The degradation effect studied in this report is that of Bore Sight Error (BSE). BSE is a squint in the pointing accuracy of the antenna due to the enclosing radome. A ray-tracing approach is presented that is able to analyse the BSE of seeker radomes in g
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Kübler, Linda Sara [Verfasser], Jürgen [Gutachter] Bolz, Bill S. [Gutachter] Hansson, and Mattias [Gutachter] Larsson. "Processing of Complex Host Blends in the Moth Antennal Lobe / Linda Sara Kübler ; Gutachter: Jürgen Bolz, Bill S. Hansson, Mattias Larsson." Jena : Friedrich-Schiller-Universität Jena, 2012. http://d-nb.info/1177655489/34.

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Ghorbani, A., Raed A. Abd-Alhameed, Neil J. McEwan, and Dawei Zhou. "An Approach for Calculating the Limiting Bandwidth-Reflection Coefficient Product for Microstrip Patch Antennas." 2006. http://hdl.handle.net/10454/3458.

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No<br>The bandwidth of a microstrip patch antenna is expressed in terms of minimum achievable reflection coefficient using an equivalent circuit and the Bode-Fano theory. The bandwidth-reflection coefficient product is found to be proportional to antenna height and largely independent of feed probe position, for small bandwidths. The product can be computed directly from a numerical evaluation of the first-order Bode-Fano integral. Curves are presented showing how the product becomes limited by the feed probe inductance at very large bandwidths. It is concluded that this effect is unlikely to
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Bacles-Min, Guillaume. "Architecture et Intégration d'un module de type Smart-Dust." Phd thesis, 2009. http://tel.archives-ouvertes.fr/tel-00790778.

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Les progrès technologiques réalisés dans le domaine de l'intégration de fonctions sur des surfaces de plus en plus petites a permis le développement de l'informatique diffuse, c'est-à-dire, intégrée dans notre espace et mise en œuvre par des objets du quotidien ou des structures spécifiques. Nous nous intéressons dans ce travail à ces structures couramment appelées " capteurs sans fil " car leur fonction est de capter des informations dans leur environnement et de les transmettre ensuite. Ces structures autonomes sont constituées d'un capteur, d'une partie numérique pour le traitement des donn
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Book chapters on the topic "Antennal bole"

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I. Kanaan, Amenah, and Ahmed M.A. Sabaawi. "Implantable Wireless Systems: A Review of Potentials and Challenges." In Antenna Systems [Working Title]. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.99064.

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With the current advancement in micro-and nano-fabrication processes and the newly developed approaches, wireless implantable devices are now able to meet the demand for compact, self-powered, wireless, and long-lasting implantable devices for medical and health-care applications. The demonstrated fabrication advancement enabled the wireless implantable devices to overcome the previous limitations of electromagnetic-based wireless devices such as the high volume due to large antenna size and to overcome the tissue and bone losses related to the ultrasound implantable devices. Recent state-of-the-are wireless implantable devices can efficiently harvest electromagnetic energy and detect RF signals with minimum losses. Most of the current implanted devices are powered by batteries, which is not an ideal solution as these batteries need periodic charging and replacement. On the other hand, the implantable devices that are powered by energy harvesters are operating continuously, patient-friendly, and are easy to use. Future wireless implantable devices face a strong demand to be linked with IoT-based applications and devices with data visualization on mobile devices. This type of application requires additional units, which means more power consumption. Thus, the challenge here is to reduce the overall power consumption and increase the wireless power transfer efficiency. This chapter presents the state-of-the-art wireless power transfer techniques and approaches that are used to drive implantable devices. These techniques include inductive coupling, radiofrequency, ultrasonic, photovoltaic, and heat. The advantages and disadvantages of these approaches and techniques along with the challenges and limitations of each technique will be discussed. Furthermore, the performance parameters such as operating distance, energy harvesting efficiency, and size will be discussed and analyzed to introduce a comprehensive comparison. Finally, the recent advances in materials development and wireless communication strategies, are also discussed.
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Oakley, Ann. "Lessons Learnt." In From Here to Maternity. Policy Press, 2018. http://dx.doi.org/10.1332/policypress/9781447349341.003.0011.

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This chapter looks back on the process of becoming a mother, as women come to understand the visions they had — of motherhood as a bed of roses, of birth as agony or ecstasy, of pregnancy as a flowering or a burden. After the event these images are brought sharply into focus by the contrast medium of reality, which exposes the outline of what was, too often, a romantic dream. More than a third of the women interviewed for this study said they found becoming a mother a difficult experience. Eight out of ten said it had been different from what they had expected. The same proportion thought the pictures of pregnancy, birth, and motherhood conveyed in antenatal literature, women's magazines, and the media in general were too romantic, painting an over-optimistic portrait of happy mothers and fathers, quiet contented babies, and neat and shining homes that bore little resemblance to the chaos, disruption, and confusion of first-time motherhood.
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Henshaw, Denis L., Fiorella Belpoggi, Daniele Mandrioli, and Alasdair Philips. "Electromagnetic Fields." In Textbook of Children's Environmental Health, 2nd ed. Oxford University PressNew York, 2024. http://dx.doi.org/10.1093/oso/9780197662526.003.0046.

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Abstract Electric and magnetic fields (electromagnetic fields, EMF) arise wherever electricity is generated, transmitted, or distributed. Exposure to EMFs is ubiquitous in the modern environment. EMF exposures can occur at extremely low frequencies (ELF) from personal electric appliances such as hair dryers and shavers. EMF exposures can also occur at radiofrequencies from radar installations, smart meters, base-station antennas, and mobile phones. Children appear to be particularly vulnerable to EMF. Mobile phone use in children is associated with exposures to radiofrequency energy in the brain at levels that are two times higher than those associated mobile phone use by adults. Mobile phone use in children is associated additionally with exposures in the bone marrow of the skull that are up to 10 times higher than those experienced by adults. The mechanisms by which EMFs interact with the human body are not fully understood. The strongest although still very limited scientific evidence for health effects of long-term ELF-EMF exposures is the finding of an approximately two-fold increased risk of leukemia in children exposed in their homes to ELF magnetic fields of more than 0.3−0.4 µT (micro-Tesla). The International Agency for Research on Cancer (IARC) has classified “extremely low-frequency magnetic fields” as well as “radiofrequency electromagnetic fields” as possibly carcinogenic to humans (Group 2B) and “static electric and magnetic fields and extremely low-frequency electric fields” as not classifiable as to their carcinogenicity to humans (Group 3).
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Conference papers on the topic "Antennal bole"

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Rahman, Tasmia Tabassum, Fahmida Luna, Jannatul Feardous, Md Kamal Hosain, and A. S. M. Badrudduza. "Development of Microwave Antenna for Bone Health Diagnosis Application." In 2024 27th International Conference on Computer and Information Technology (ICCIT). IEEE, 2024. https://doi.org/10.1109/iccit64611.2024.11022465.

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B, Ameerdeen, Bharathi P, Dhanasurya M, Sapna Bijimanzil A, and Ramasamy K. "An Implantable Wideband Antenna for Monitoring Bone Fracture Healing." In First International Conference on Computer, Computation and Communication (IC3C-2025). River Publishers, 2025. https://doi.org/10.13052/rp-9788743808268a094.

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Kinol.A, Mary Joy, C. F. Theresa Cenate, Marshiana.D, and Krishnamoorthy.N.R. "Wearable Metamaterial Antenna Design for Bone Analysis in Biomedical Applications." In 2025 International Conference on Electronics and Renewable Systems (ICEARS). IEEE, 2025. https://doi.org/10.1109/icears64219.2025.10941550.

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Shrivastava, Nishtha, Debalina Ghosh, and Prasant Kumar Sahu. "A Clustering Approach for Understanding Bone Health using RF Transmission Characteristics." In 2024 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC). IEEE, 2024. http://dx.doi.org/10.1109/apwc61918.2024.10701847.

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Scazzola, Alberto, Adrien Merlini, Clément Henry, and Francesco P. Andriulli. "A Preconditioned Inverse Scattering Scheme for High-Contrast Bone Imaging at Microwave Frequencies." 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-ursi52054.2024.10686480.

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Kaur, Manpreet, Harleen Kaur, Tarun Panwar, et al. "Development of a Compact UWB Antenna for Bone Cancer Detection Using a Non-Invasive Microwave Imaging Technique." In 2024 IEEE Asia-Pacific Conference on Applied Electromagnetics (APACE). IEEE, 2024. https://doi.org/10.1109/apace62360.2024.10877327.

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Fortinberry, Jarrod, and Thomas H. Shumpert. "Measurement of antenna bore-sight gain." In 2016 USNC-URSI Radio Science Meeting (Joint with AP-S Symposium). IEEE, 2016. http://dx.doi.org/10.1109/usnc-ursi.2016.7588521.

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Mirza, Dler, Kristofer Birkeland, Lars Øy, Roland Chemali, and Benjamin Barrouillet. "Core Scanner for Electrical Profiling of Full-Bore Cores at the Well Site With Advanced Pulse Electromagnetic Technology." In 2024 SPWLA 65th Annual Symposium. Society of Petrophysicists and Well Log Analysts, 2024. https://doi.org/10.30632/spwla-2024-0098.

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When freshly cut full-bore cores come up to the rig floor, petrophysicists are eager to know whether or not they have hit their objective. Should they continue to core ahead? Or should they stop coring and proceed with the drilling operation toward their next objective? Where are they on the structure when correlating to other wells in the field? We present a new core scanner instrument that can answer these important questions while the core is on the rig floor. The new scanner measures the resistivity and the dielectric permittivity of the cross section of the core. The output is a finely re
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Meaney, Paul M., Douglas Goodwin, Amir Golnabi, Matthew Pallone, Shireen Geimer, and Keith D. Paulsen. "3D Microwave bone imaging." In 2012 6th European Conference on Antennas and Propagation (EuCAP). IEEE, 2012. http://dx.doi.org/10.1109/eucap.2012.6206024.

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Ruchi Kerketta, Shilpi, and Debalina Ghosh. "Microwave Analysis on Bone Mineral Density." In 2020 International Symposium on Antennas & Propagation (APSYM). IEEE, 2020. http://dx.doi.org/10.1109/apsym50265.2020.9350679.

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Reports on the topic "Antennal bole"

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Rasmussen, D. A., and R. L. Freeman. THE DESIGN OF AN RF ANTENNA FOR A LARGE-BORE, HIGH POWER, STEADY STATE PLASMA PROCESSING CHAMBER FOR MATERIAL SEPARATION - CRADA FINAL REPORT for CRADA Number ORNL00-0585. Office of Scientific and Technical Information (OSTI), 2001. http://dx.doi.org/10.2172/1134263.

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