Готові списки джерел за темами / Frequency selection device

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Добірка наукової літератури з теми "Frequency selection device"

Автор: Grafiati
Опубліковано: 30 травня 2022
Оновлено: 31 липня 2025

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Статті в журналах з теми "Frequency selection device"

1

Domingo-Roca, Roger, Benjamin Tiller, Joseph Jackson, and James Windmill. "Bio-inspired 3D-printed piezoelectric device for acoustic frequency selection." Sensors and Actuators A: Physical 271 (March 1, 2018): 1–8. https://doi.org/10.1016/j.sna.2017.12.056.

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Анотація:
Development of 3D-printed devices, sensors, and actuators has become increasingly popular in recent years due to low cost, rapid production, and device personalization. This personalization process allows the development of devices with unique physical properties and phenomena that enhance the desired properties of the 3D-printed part. Biomimetics is a technique used to develop engineered devices, as organisms present in nature can provide smart and simple solutions to complex problems across a wide range of applications. Locust ears have a simple tympanic membrane with varying thicknesses tha
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2

Liu, Xi Gao, Zhi Min Liu, Jin Tao Zhang, et al. "Design of Frequency Selection Circuit of Advanced Detector Receiving Device in Coal Mine Roadway." Applied Mechanics and Materials 740 (March 2015): 507–10. http://dx.doi.org/10.4028/www.scientific.net/amm.740.507.

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Coal mine roadway advanced detector, including the transmitting and receiving devices, is a kind of geophysical instrument used in coal mine roadway advanced detection based on the dynamic and directional electric field excitation method. The transmitting device emits dual frequency modulated square wave current into the excavation face and the receiving device receives potential difference of coal and rock medium generated by induced polarization, of which the frequency selection circuit is to filter the interference of the harmonics of the signal and other frequency components. The paper der
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3

Domingo-Roca, Roger, Benjamin Tiller, Joseph Curt Jackson, and James Frederick Charles Windmill. "Bio-inspired 3D-printed piezoelectric device for acoustic frequency selection." Sensors and Actuators A: Physical 271 (March 2018): 1–8. http://dx.doi.org/10.1016/j.sna.2017.12.056.

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4

Men, Yu Zhuo, Hai Bo Yu, Hua Wang, and Jin Gang Gao. "Research on Radio Frequency Identification Technology in Automated Press Line." Applied Mechanics and Materials 241-244 (December 2012): 176–79. http://dx.doi.org/10.4028/www.scientific.net/amm.241-244.176.

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Анотація:
Automated press line is a kind of very important device in the production of automobiles, and its production quality and efficiency have a direct influence on the production efficiency and quality of automobiles. Automated pressing is the effective measure and major way to increase the productivity and improve the working conditions. Some pressing workshops is taken as examples in this paper to research into the working requirements of radio frequency identification (RFID), the interference in the process of identification, the selection of RFID reader, the selection of label, device purchasin
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5

Kakorina, Olesya, Igor Kakorin, and Alexandra Panchenko. "Selection of Radio-Absorbing Coating According to the Specified Criteria." NBI Technologies, no. 1 (February 2023): 24–28. http://dx.doi.org/10.15688/nbit.jvolsu.2023.1.4.

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From noisy urban centers to remote mountain peaks, we are accompanied by electromagnetic signals. These information-carrying waves cause much of our modern world to move and function properly. But they are also destructive. The sheer number of signals creates a problem of radio interference. This problem is solved by radio frequency and electromagnetic shielding. RF shielding involves shielding a device from signals that are in the frequency range used for radio transmission. Shielding against electromagnetic interference involves shielding against higher frequencies, used for applications tha
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6

Woolley, Sandra I., Tim Collins, James Mitchell, and David Fredericks. "Investigation of wearable health tracker version updates." BMJ Health & Care Informatics 26, no. 1 (2019): e100083. http://dx.doi.org/10.1136/bmjhci-2019-100083.

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BackgroundWearable fitness trackers are increasingly used in healthcare applications; however, the frequent updating of these devices is at odds with traditional medical device practices.ObjectiveOur objective was to explore the nature and frequency of wearable tracker updates recorded in device changelogs, to reveal the chronology of updates and to estimate the intervals where algorithm updates could impact device validations.MethodUpdates for devices meeting selection criteria (that included their use in clinical trials) were independently labelled by four researchers according to simple fun
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7

Liu, Daqian, Guiqi Kang, Yuntao Shi, Yingying Wang, and Zhenwu Lei. "Mode Selection for Device to Device Communication in Dynamic Network: A Statistical and Deep Learning Method." Mathematics 13, no. 3 (2025): 343. https://doi.org/10.3390/math13030343.

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Анотація:
A major challenge in device to device (D2D) communications is determining the appropriate communication modes for each potential D2D pair. In dynamic networks, the continuous movement of devices increases the complexity of channel state modeling, which makes it difficult to predict the quality of network service and select appropriate switching thresholds, ultimately affecting the accuracy of D2D mode selection. This paper proposes a novel D2D mode selection method, which integrates deep learning with statistical learning and includes three modules: signal-to-interference-plus-noise-ratio (SIN
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8

Lesniewska, Elzbieta, and Daniel Roger. "Selection of the Winding Type of Solid-State Transformers in Terms of Transmitting the Greatest Possible Power in the Frequency Range from 500 Hz to 6000 Hz." Energies 16, no. 18 (2023): 6528. http://dx.doi.org/10.3390/en16186528.

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Solid-state transformer (SST) is an emerging technology that integrates with transformer power electronics converters and control. The most noticeable advantages of SST are the size and weight reduction compared with low-frequency transformers. Since this device is used in many devices such as smart grids, traction systems, systems with renewable energy sources (RESs) and electric vehicle charging devices, it is important to build a high-efficiency device at a low cost. The article evaluates a medium frequency transformer (SST) operating at a frequency of 500 Hz to 6000 Hz with coils wound wit
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Zulauf, Grayson, Zikang Tong, James D. Plummer, and Juan Manuel Rivas-Davila. "Active Power Device Selection in High- and Very-High-Frequency Power Converters." IEEE Transactions on Power Electronics 34, no. 7 (2019): 6818–33. http://dx.doi.org/10.1109/tpel.2018.2874420.

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Prof., K. Kalai Selvi. "Surya S M." International Journal of Trend in Scientific Research and Development 4, no. 3 (2020): 788–94. https://doi.org/10.5281/zenodo.3892643.

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Анотація:
Device to Device D2D communication is a wireless peer to peer service, that allows direct communication to discharge hub input by binding wireless broadcasting amongst devices, as a vital technology module for next generation cellular communication system. Mobile devices limited battery power is a barricade for harnessing the performance of cellular communication systems. High data rate Device to Device communication is requisite to boost the crescent traffic requirement of apparent applications. In this paper suggest a centralized relay selection and power allocation process to state a multi
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Більше джерел

Дисертації з теми "Frequency selection device"

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Ліщиновська, Наталія Олександрівна, Наталия Александровна Лищиновская та Nataliya Oleksandrivna Lishchinovska. "Метод синтезу розподілених високодобротних резонаторів з розрідженим діапазоном частот для радіотехнічніх пристроїв та засобів телекомунікацій". Thesis, Національний авіаційний університет, 2021. https://er.nau.edu.ua/handle/NAU/47244.

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Анотація:
В роботі сформульовано та вирішено актуальне наукове завдання щодо розробки науково-методичного апарату синтезу високодобротних резонаторів з розрідженим спектром для фільтруючих систем засобів телекомунікацій. Вирішення поставленого наукового завдання забезпечує розрахунок і можливість побудови фільтруючої системи зі зниженим затуханням в смузі пропускання і розширеною областю затримання, що дозволяє підвищити ефективність роботи телекомунікаційних пристроїв. На основі спектрального підходу розроблено метод синтезу резонаторів на нерегулярних лініях передачі. На відміну від відомих сп
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2

García, Pastor David. "Nonlinear analysis of electro-acoustic frequency-selective devices for communications." Doctoral thesis, Universitat Politècnica de Catalunya, 2021. http://hdl.handle.net/10803/671927.

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Анотація:
Nowadays, mobile devices have become a key technology in our lives, making us become part of a connected world, in which millions of mobile handsets are sold every year. In order to satisfy the user demands, many mobile communication standards are working together in the same device (LTE-A, 5G-NR, IEEE Wireless LAN Standards, etc.). High data rates are demanded for different wireless services working on a very crowded frequency spectrum, where all the devices and systems need to operate at the same time without detrimental of mutual interference. Although this major objective has to be fa
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3

Monacelli, Brian. "SPECTRAL SIGNATURE MODIFICATION BY APPLICATION OF INFRARED FREQUENCY-SELECTIVE SURFACES." Doctoral diss., University of Central Florida, 2005. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/3534.

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Анотація:
It is desirable to modify the spectral signature of a surface, particularly in the infrared (IR) region of the electromagnetic spectrum. To alter the surface signature in the IR, two methods are investigated: thin film application and antenna array application. The former approach is a common and straightforward incorporation of optically-thin film coatings on the surface designated for signature modification. The latter technique requires the complex design of a periodic array of passive microantenna elements to cover the surface in order to modify its signature. This technology is known as f
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4

Sharma, Saumya. "Design, Fabrication and Characterization of MIM Diodes and Frequency Selective Thermal Emitters for Solar Energy Harvesting and Detection Devices." Scholar Commons, 2015. https://scholarcommons.usf.edu/etd/5579.

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Анотація:
Energy harvesting using rectennas for infrared radiation continues to be a challenge due to the lack of fast switching diodes capable of rectification at THz frequencies. Metal insulator metal diodes which may be used at 30 THz must show adequate nonlinearity for small signal rectification such as 30 mV. In a rectenna assembly, the voltage signal received as an output from a single nanoantenna can be as small as ~30µV. Thus, only a hybrid array of nanoantennas can be sufficient to provide a signal in the ~30mV range for the diode to be able to rectify around 30THz. A metal-insulator-metal diod
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5

Sarini, Sarini. "Statistical methods for modelling falls and symptoms progression in patients with early stages of Parkinson's disease." Thesis, Queensland University of Technology, 2018. https://eprints.qut.edu.au/116208/1/_Sarini_Thesis.pdf.

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This thesis was a step forward in gaining insight into falls in people with early stages of Parkinson's disease (PD), and in monitoring the disease progression based on clinical assessments. This research contributes new knowledge by providing new insights into utilizing information provided by the clinically administered instruments used routinely for the assessment of PD severity. The novel approach to modelling the progression of PD symptoms using multi-variable clinical assessment measurements for longitudinal data provides a new perspective into disease progression.
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6

Chang, Keng-Pin, and 張耿斌. "A Miniaturized Frequency Selective Surface Design for Wireless Communication Devices." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/20829230688271074929.

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碩士<br>大葉大學<br>電機工程學系<br>97<br>This thesis proposes a miniaturized frequency selective surface design for wireless communication devices. This miniaturized frequency selective surface has a well transmittance in the specific communication band, a good shielding effectiveness out of this band, and an excellent resonance stability performance with respect to different polarizations and angles of incident plane-waves. A band-pass shielding enclosure assembled by this miniaturized frequency selective surface only makes a slightly influence on the internal antenna impedance and antenna patterns. Th
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Yaghmaee, Pouria. "Reconfigurable tunable microwave devices using liquid crystal." Thesis, 2014. http://hdl.handle.net/2440/87368.

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Анотація:
During the past decades, the applications of communication devices have extended widely, from AM radio receivers initially to newly developed GPS, smart mobile phones, radars, wireless LANs, satellite communications and implantable medical devices. The shortage in the available frequency spectrum for radio communications, the demand for portable wireless devices, and the requirement for more functionality in an even smaller volume, requires the development of new concepts in RF technology. One ideal pathway towards development of such new concepts is reconfiguration. Today, due to the rapid pr
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ASTORINO, MARIA DENISE. "Wideband equivalent-circuit model analysis, realization and time-domain spectroscopy characterization of terahertz periodic metamaterial devices." Doctoral thesis, 2019. http://hdl.handle.net/11573/1223931.

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Анотація:
In my PhD thesis, I have thoroughly researched THz periodic metamaterial devices by dealing with all the phases of their development: electromagnetic analysis, design, fabrication, characterization, and data post-processing. Initially, for the analysis and design phases, I have adopted an analytical/numerical perspective for the retrieval of the devised circuit topologies. In particular, I have developed and applied equivalent circuit models and parametric macromodels for the physical investigation and optimization of the devices; these methods have been validated by proving their efficiency a
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Книги з теми "Frequency selection device"

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1948-, Wu T. K., ed. Frequency selective surface and grid array. Wiley, 1995.

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2

Essick, John. The Python-Based Laboratory. Oxford University PressOxford, 2024. https://doi.org/10.1093/9780191998478.001.0001.

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Abstract The Python-Based Laboratory: A Hands-On Guide for Scientists and Engineers provides a learn-by-doing approach to acquiring the Python programming skills needed to implement computer-controlled experimental work. The Python-Based Laboratory leads its readers to mastery of the popular, open-source Python computer language in its role as a powerful laboratory tool by carrying out interesting and relevant projects that explore the acquisition, production, analysis, and presentation of digitized waveforms. Readers, who are assumed to have no prior computer programming or Python background,
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3

Zinn, S., and S. L. Semiatin. Elements of Induction Heating. ASM International, 1988. http://dx.doi.org/10.31399/asm.tb.eihdca.9781627083416.

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Elements of Induction Heating: Design, Control, and Applications discusses the principles of electromagnetic induction and the setup and use of induction heating processes and equipment. The first few chapters cover the theory of induction heating and the factors that must be considered when selecting and configuring components for a given application. As the text explains, the frequency required for efficient heating is determined by the geometry of the coil, the properties, size, and shape of the workpiece, and the need to maintain adequate skin effect. It also depends on proper tuning and l
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4

Joyce, David L., and Lyle D. Joyce. Mechanical Circulatory Support. Oxford University Press, 2019. http://dx.doi.org/10.1093/med/9780190909291.001.0001.

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Анотація:
Mechanical circulatory support (MCS) offers life-saving treatment options for patients with advanced heart failure, cardiogenic shock, and acute cardiopulmonary failure. With the development of short-term, long-term, left-sided, right-sided, biventricular, and cardiopulmonary support options, the complexity surrounding this field has evolved substantially in the past decade. This textbook seeks to provide a logical and systematic framework for managing patients who require MCS therapies. In chapters 2–9, a comprehensive approach to selecting and preparing patients for MCS interventions is desc
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Частини книг з теми "Frequency selection device"

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Kern, Thorsten A., Henry Haus, Marc Matysek, and Stephanie Sindlinger. "Actuator Design." In Springer Series on Touch and Haptic Systems. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-04536-3_9.

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AbstractActuators are the most important elements of any haptic device. Their selection or design significantly influences the quality of the haptic impression. This chapter deals with commonly used actuators, organized according to their physical principle of operation. It focuses on the electrodynamic, electromagnetic, electrostatic and piezoelectric actuator principles. Each actuator type is discussed in terms of its main physical principles, with examples of sizing and one or more applications. Other, less frequently used actuator principles are mentioned in several examples. The preceding
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2

Sood, Deepak. "Frequency Selective Surfaces/Metasurfaces." In Microwave Devices and Circuits for Advanced Wireless Communication. CRC Press, 2024. http://dx.doi.org/10.1201/9781032656021-7.

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3

Indu, Ankita, S. Mondal, and P. P. Sarkar. "Design of an Ultra-Wideband Polarization-Insensitive Frequency-Selective Absorber." In Computers and Devices for Communication. Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-15-8366-7_51.

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4

Tyufanova, Anastasia. "Simulation of a Coaxial Resonator of a Frequency-Selective Device for Communication Systems, Radio Navigation and Radar." In Lecture Notes in Networks and Systems. Springer Nature Switzerland, 2024. http://dx.doi.org/10.1007/978-3-031-64010-0_13.

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Palonen, Emilia, Laura Sibinescu, Juha Koljonen, and Juha Herkman. "Data and Methodology in the Twitter EP2019 Analysis." In Populism, Twitter and the European Public Sphere. Springer Nature Switzerland, 2024. http://dx.doi.org/10.1007/978-3-031-41737-5_1.

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AbstractThe chapter introduces the data collection process and methods used in the study. The main dataset was assembled form material collected from seven EU countries that represented so-called Twitter countries during the 2019 EP elections: the Netherlands, Germany, Finland, Italy, Spain, Ireland and the UK. The countries cover the South-North and Centre-Periphery dimensions in Europe and adequately follow the system models of politics and media devised by Hallin and Mancini. The data were gathered in real time during the EP election campaign in May 2019, based on hashtags. Two datasets wer
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Chauhan, Meenakshi, Kanjalochan Jena, Raghuvir Tomar, and Abdul Naim Khan. "Investigation of the Impact of Different Dielectrics on the Characteristics of AlN/β-Ga2O3 HEMT." In Nanoelectronic Devices and Applications. BENTHAM SCIENCE PUBLISHERS, 2024. http://dx.doi.org/10.2174/9789815238242124010011.

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Анотація:
In the present research, a β-Ga2O3 high electron mobility transistor is proposed for investigating the implementation of high-k dielectric materials. The implementation of the dielectrics, Si3N4 , Al2O3 , and HfO2, at the interface of aluminum nitride (AlN) and the gate is depicted to determine the optimal selection. The novelty of the device lies in the highly doped n+ material with a broader gap between ohmic contact and the barrier layers. The performance is computed regarding the transfer and output characteristics, transconductance, gate capacitance, 2nd and 3rd-order transconductance, su
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Rajain, Somesh, Chetan Shingala, and Ekata Mehul. "Green Semicondoctor Design Techniques and Challanges." In Green Technologies. IGI Global, 2011. http://dx.doi.org/10.4018/978-1-60960-472-1.ch210.

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Анотація:
The large emission of Carbon dioxide (CO2) is not only affecting our ecology but also affecting human life. In schools, offices, factory and crowded railway/bus stations i.e crowded places with insufficient ventilations CO2 affects human life most. In a closed environment like school, If CO2 level starts raising above 700 parts per million (ppm) people will feel objectionable body odors and as it increase further people will feel very uncomfortable, dizzy and have headache etc. Our goal is to reduce CO2 emission and lower global warming. In Semiconductor Industry as the digital technology grow
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Rajain, Somesh, Chetan Shingala, and Ekata Mehul. "Green Semicondoctor Design Techniques and Challanges." In Handbook of Research on Green ICT. IGI Global, 2011. http://dx.doi.org/10.4018/978-1-61692-834-6.ch029.

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Анотація:
The large emission of Carbon dioxide (CO2) is not only affecting our ecology but also affecting human life. In schools, offices, factory and crowded railway/bus stations i.e crowded places with insufficient ventilations CO2 affects human life most. In a closed environment like school, If CO2 level starts raising above 700 parts per million (ppm) people will feel objectionable body odors and as it increase further people will feel very uncomfortable, dizzy and have headache etc. Our goal is to reduce CO2 emission and lower global warming. In Semiconductor Industry as the digital technology grow
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9

Prati, Francesco, Laura Gatto, Enrico Romagnoli, and Luca Di Vito. "Optical coherence tomography." In ESC CardioMed. Oxford University Press, 2018. http://dx.doi.org/10.1093/med/9780198784906.003.0133.

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Анотація:
Frequency domain optical coherence tomography (FD-OCT) uses infrared light waves, providing intracoronary images at a high resolution and enabling the characterization of the structure and extent of coronary artery disease in unprecedented detail. OCT can study plaque components such as fibrous tissue, calcium, and lipids with high accuracy. Furthermore, the technique is potentially able to depict inflammatory cells, crystals of cholesterol, and intimal vasculature, and can clarify the mechanism of acute coronary syndromes. OCT is therefore the most promising technique to study plaque vulnerab
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Prati, Francesco, Vito Ramazzotti, Laura Gatto, and Mario Albertucci. "Optical coherence tomography." In ESC CardioMed. Oxford University Press, 2018. http://dx.doi.org/10.1093/med/9780198784906.003.0133_update_001.

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Анотація:
Frequency domain optical coherence tomography (FD-OCT) uses infrared light waves, providing intracoronary images at a high resolution and enabling the characterization of the structure and extent of coronary artery disease in unprecedented detail. OCT can study plaque components such as fibrous tissue, calcium, and lipids with high accuracy. Furthermore, the technique is potentially able to depict inflammatory cells, crystals of cholesterol, and intimal vasculature, and can clarify the mechanism of acute coronary syndromes. OCT is therefore the most promising technique to study plaque vulnerab
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Тези доповідей конференцій з теми "Frequency selection device"

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Taghipour-Gorjikolaie, Mehran, Navid Ghavami, Gianluigi Tiberi, et al. "Machine Learning-Based Frequency Selection to Improve Breast Cancer Detection in MammoWave Device." 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-ursi52054.2024.10687217.

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2

Ruiz-Nievas, Javier, Alejandro Rodriguez-Barroso, Oscar Martinez-Cano, Carlos Ruiz-Pelegrina, Guillermo Camacho, and Juan De Vicente. "Selective Resonant Device for Continuous Frequency Sweeping Applied to Magnetic Suspensions." In 2024 IEEE 24th International Conference on Nanotechnology (NANO). IEEE, 2024. http://dx.doi.org/10.1109/nano61778.2024.10628915.

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Sebastian, Rejeena, R. Ahmad, J. Lafrenière-Greig, X. Ropagnol, and François Blanchard. "Feature-Dependent Accuracy in Classification Models for Ultrafast THz Spectroscopy using Frequency Selective Surfaces." In Photonic Networks and Devices. Optica Publishing Group, 2024. http://dx.doi.org/10.1364/networks.2024.now3h.6.

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Анотація:
This work analyzes data from a novel setup for ultrafast selective multispectral Terahertz (THz) spectroscopy using Frequency Selective Surface (FSS). A comparative evaluation of the performance of four different classification models is conducted and a feature-accuracy mapping is done for optimization.
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4

Yu, Koledintseva M., and A. A. Kitaytsev. "Gyromagnetic Converter Selectivity Curve Formation for Frequency-Selective Microwave Measuring Devices." In EMC_1998_Wroclaw. IEEE, 1998. https://doi.org/10.23919/emc.1998.10834726.

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Liu, Danxian, Egemen Bostan, Tianyi Zeng, Aditya Paul, and Kiyoul Yang. "Inverse Design of Silicon Nitride Wavelength-division Multiplexers and Frequency-selective Resonators." In Frontiers in Optics. Optica Publishing Group, 2024. https://doi.org/10.1364/fio.2024.fth3d.4.

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We experimentally demonstrate inverse-designed 980/1530 nm and 1480/1530 nm wavelength-division-multiplexers on an 800 nm-thick silicon nitride platform. The devices exhibit &lt; 3 dB insertion loss and ≈ 9 dB crosstalk. Additionally, we showcase a frequency-selective resonator architecture utilizing the inverse-designed elements.
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Silaghi, Andrei-Marius, Catalin Pescari, Aldo De Sabata, Ladislau Matekovits, and Andrei Neiconi. "Study Regarding the Tunability of a Frequency Selective Surface Having Incorporated Active Devices and Control Network." In 2024 International Conference on Electromagnetics in Advanced Applications (ICEAA). IEEE, 2024. http://dx.doi.org/10.1109/iceaa61917.2024.10701664.

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7

Lestini, Francesco, Gaetano Marrocco, and Cecilia Occhiuzzi. "Miniaturized Epidermal RFID-Based Wireless Programmable Frequency Selective Surface as a Smart Shield for Implantable Cardiac Devices." In 2024 IEEE International Conference on RFID Technology and Applications (RFID-TA). IEEE, 2024. https://doi.org/10.1109/rfid-ta64374.2024.10965144.

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8

Zulauf, Grayware, Zikang Tong, and Juan Rivas-Davila. "Considerations for Active Power Device Selection in High- and Very-High-Frequency Power Converters." In 2018 IEEE 19th Workshop on Control and Modeling for Power Electronics (COMPEL). IEEE, 2018. http://dx.doi.org/10.1109/compel.2018.8458491.

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Lee, K. K. "Pulsed Frequency Stable Narrow Linewidth Lasers and Optical Remote Sensing." In Laser and Optical Remote Sensing: Instrumentation and Techniques. Optica Publishing Group, 1987. http://dx.doi.org/10.1364/lors.1987.wc7.

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Usually people consider single mode pulsed lasers to be frequency stablized. But in a pulsed laser, mode selection is not equivalent to frequency stablization. This is because with any type of mode selection method or device, a long term frequency drift may occur from pulse to pulse due to thermal or mechanical disturbances of the cavity length. Furthermore, short term frequency drift (chirping) may occur within one pulse due to rapid refractive index variations of the active gain medium.
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Edpuganti, Amarendra, Vinod Khadkikar, Hatem Zeineldin, Mohamed S. Elmoursi, and Mohamed Al Hosani. "New Submodule Selection Algorithm for Low Device Switching Frequency Modulation of Medium-Voltage Modular Multilevel Converter." In 2020 IEEE International Conference on Industrial Technology (ICIT). IEEE, 2020. http://dx.doi.org/10.1109/icit45562.2020.9067187.

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Звіти організацій з теми "Frequency selection device"

1

Sanders, Frank, John Carroll, Edward Drocella, and Robert Sole. Lessons Learned from the Development and Deployment of 5 GHz Unlicensed National Information Infrastructure (U–NII) Dynamic Frequency Selection (DFS) Devices. Institute for Telecommunication Sciences, 2019. https://doi.org/10.70220/v3hl8v8w.

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2

Mizrach, Amos, Sydney L. Spahr, Ephraim Maltz, et al. Ultrasonic Body Condition Measurements for Computerized Dairy Management Systems. United States Department of Agriculture, 1993. http://dx.doi.org/10.32747/1993.7568109.bard.

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The body condition (BC) score is recognized in the dairy industry as an essential tool for managing the energy reserves of the dairy cow, which is essential for sustaining optimal and efficient production over several lactations. The current use of BC scoring depends on the accuracy of subjective visual estimates, and this limits its kusefulness as a management aid in the dairy industry. A measuring tool that would frequently provide objective data on the cow's body reserves would be a major contribution to efficient dairy herd management. Ultrasonic sensors have the potential to be developed
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