Academic literature on the topic 'Reflection amplifier'

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Journal articles on the topic "Reflection amplifier"

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Chan, Pak, and Vincent Fusco. "Full duplex reflection amplifier tag." IET Microwaves, Antennas & Propagation 7, no. 6 (2013): 415–20. http://dx.doi.org/10.1049/iet-map.2012.0441.

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Pochiraju, T., and V. Fusco. "Reflection amplifier phase conjugation properties." Electronics Letters 46, no. 12 (2010): 850. http://dx.doi.org/10.1049/el.2010.1009.

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Adams, M. J. "Optical amplifier bistability on reflection." Optical and Quantum Electronics 19, S1 (1987): S37—S45. http://dx.doi.org/10.1007/bf02034350.

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Lester, C., K. Schusler, B. Pedersen, O. Lumholt, A. Bjarklev, and J. H. Povlsen. "Reflection insensitive erbium-doped fiber amplifier." IEEE Photonics Technology Letters 7, no. 3 (1995): 293–95. http://dx.doi.org/10.1109/68.372750.

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Tsai, H. S., and R. A. York. "Polarisation-rotating quasioptical reflection amplifier cell." Electronics Letters 29, no. 24 (1993): 2125. http://dx.doi.org/10.1049/el:19931421.

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Cantú, H. I., V. F. Fusco, and S. Simms. "Microwave reflection amplifier for detection and tagging applications." IET Microwaves, Antennas & Propagation 2, no. 2 (2008): 115–19. http://dx.doi.org/10.1049/iet-map:20070122.

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Vesterinen, V., J. Hassel, and H. Seppa. "Tunable Impedance Matching for Josephson Junction Reflection Amplifier." IEEE Transactions on Applied Superconductivity 23, no. 3 (2013): 1500104. http://dx.doi.org/10.1109/tasc.2012.2227653.

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Shen, Y., C. Wu, J. Litva, and R. Fralich. "Active radiating oscillator using a reflection amplifier module." Electronics Letters 28, no. 11 (1992): 991–92. http://dx.doi.org/10.1049/el:19920630.

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Lee, Jongwon, and Jooseok Lee. "Noise analysis of reflection-type microwave RTD amplifier." IET Circuits, Devices & Systems 14, no. 7 (2020): 966–71. http://dx.doi.org/10.1049/iet-cds.2020.0078.

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Khaledian, Seiran, Farhad Farzami, Besma Smida, and Danilo Erricolo. "Two-Way Backscatter Communication Tag Using a Reflection Amplifier." IEEE Microwave and Wireless Components Letters 29, no. 6 (2019): 421–23. http://dx.doi.org/10.1109/lmwc.2019.2912299.

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Dissertations / Theses on the topic "Reflection amplifier"

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Wang, Yang. "CdS Reflection Coefficient Determination via Photocurrent Spectroscopy." Bowling Green State University / OhioLINK, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=bgsu1219593815.

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Eriksson, Gustav. "Towards Long-Range Backscatter Communication with Tunnel Diode Reflection Amplifiers." Thesis, Uppsala universitet, Fasta tillståndets elektronik, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-354901.

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Backscatter communication enables wireless communication at a power consumption orders of magnitude lower than conventional wireless communication. Instead of generating new RF-signals backscatter communication leverages ambient signals, such as WiFi-, Bluetooth- or TV-signals, and reflects them by changing the impedance of the antenna. Backscatter communication is known as a short-range communication technique achieving ranges in the order of meters. To improve the communication range, we explore the use of a tunnel diode as an amplifier of the backscattered RF-signal. We developed the amplifier on a PCB-board together with a matching network tuned to give maximum gain at 868 MHz. Our work demonstrates that the 1N3712 tunnel diode can achieve gains up to 35 dB compared to a tag without amplification while having a peak power consumption of 48 μW. With this amplifier the communication distance can be increased by up to two orders of magnitude.
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Mainou, Gomez José Francisco. "Amplifier for optimal reflection Coefficient of ultrasound transducer : A study of op amp based circuits for ultrasound transducers, targeted for low reflection Coefficient, high gain, and low noise." Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for elektronikk og telekommunikasjon, 2012. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-18347.

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Reverberation is defined as equally-spaced, bright linear echoes resulting from reflection from specular-type interfaces. They are provoked by the acoustic Impedance change between the tissue and transducer front surface. B. Angelsen developed a mathematical approach to correct this ultrasound artifact by coupling the ultrasound transducer with an ideal electrical load in order to obtain zero reflection coefficients on the transducer from face [1]. However, when analyzing Impedance spectroscopy this approach cannot be achieved by using passive electronics in most simulated cases. Active impedance may be seen as a trend to improve image quality. This research therefore implements and simulates methods for active impedance synthesis [5] and applies Particle Swarm Optimization to the proposed electronics. Finally, the simulations are compared through a LAB experiment.
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Fake, Michael. "The effect of intra-cavity reflections on optical fibre amplifier performance." Thesis, University of Essex, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.388155.

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Orndorff, Josh. "Amplified Total Internal Reflection at the Surface of Gain Medium." University of Toledo / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1365156891.

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Pelteku, Altin E. "Adaptive Suppression of Interfering Signals in Communication Systems." Digital WPI, 2013. https://digitalcommons.wpi.edu/etd-dissertations/138.

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The growth in the number of wireless devices and applications underscores the need for characterizing and mitigating interference induced problems such as distortion and blocking. A typical interference scenario involves the detection of a small amplitude signal of interest (SOI) in the presence of a large amplitude interfering signal; it is desirable to attenuate the interfering signal while preserving the integrity of SOI and an appropriate dynamic range. If the frequency of the interfering signal varies or is unknown, an adaptive notch function must be applied in order to maintain adequate attenuation. This work explores the performance space of a phase cancellation technique used in implementing the desired notch function for communication systems in the 1-3 GHz frequency range. A system level model constructed with MATLAB and related simulation results assist in building the theoretical foundation for setting performance bounds on the implemented solution and deriving hardware specifications for the RF notch subsystem devices. Simulations and measurements are presented for a Low Noise Amplifer (LNA), voltage variable attenuators, bandpass filters and phase shifters. Ultimately, full system tests provide a measure of merit for this work as well as invaluable lessons learned. The emphasis of this project is the on-wafer LNA measurements, dependence of IC system performance on mismatches and overall system performance tests. Where possible, predictions are plotted alongside measured data. The reasonable match between the two validates system and component models and more than compensates for the painstaking modeling efforts. Most importantly, using the signal to interferer ratio (SIR) as a figure of merit, experimental results demonstrate up to 58 dB of SIR improvement. This number represents a remarkable advancement in interference rejection at RF or microwave frequencies.
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Arellano, Pinilla Cristina. "Investigation of reflective optical network units for bidirectional passive optical access networks." Doctoral thesis, Universitat Politècnica de Catalunya, 2007. http://hdl.handle.net/10803/6905.

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Esta investigación está conducida a la resolución del problema de encontrar soluciones rentables para el despliegue de redes de fibra hasta el hogar (Fibre to the Home - FTTH). En una red de FTTH, el equipo transmisor-receptor de usuario así como el despliegue de la fibra en la llamada 'última milla' son las barreras principales.
Una topología que consiste en hacer llegar una única fibra para dirigirse a cada usuario reduce la cantidad de fibra requerida. Por otro lado, los componentes ópticos pasivos alivian los requisitos de mantenimiento de la red de acceso. El efecto del backscattering de Rayleigh se ha identificado como la interferencia más crítica de este tipo de transmisión, el efecto sobre el funcionamiento del sistema y las investigaciones de posibles soluciones al mencionado problema son centro de estudio de esta tesis. Los experimentos realizados, revelan que, a pesar de la interferencia causada por del effecto Rayleigh no se puede eliminar totalmente, hay diferentes técnicas capaces de atenuar dicho efecto.
El uso de los amplificadores ópticos semiconductores para implementar las funciones de transmisión-recepción agrega simplicidad al diseño de red en términos de transparencia de la longitud de onda y gracias a las capacidades de la amplificación de esta familia de dispositivos.
Los resultados experimentales presentaron en este trabajo demuestran con éxito la modulación y la detección a 1Gbit/s y 2.5Gbit/s con los dispositivos basados en semiconductores, en enlaces de hasta 30km e incluso de hasta 50km de longitud. Nuevos prototipos son potencialmente capaces de transmitir a 10Gbit/s.
Estructuras reflectoras basadas en amplificadores ópticos semiconductores reflectores son los candidatos mas adecuados.
Éstos, realizan funciones de transmisión eficientemente y proporcionan la amplificación adecuada. Sin embargo, es necesario el diseño de nuevos diseños capaces de transmitir datos a una velocidad mayor. Una estrategia de comunicación bidireccional mediante una única fibra es la arquitectura más interesante los términos de reducción de costes por usuario (CAPEX). Por estos motivos, la ONU se convierte en un elemento clave en redes de acceso y un área muy interesante de investigación.
Para una evolución exitosa de FTTH el diseño de la unidad de red debe ser simple, robusto, flexible y bajo coste para el cliente final.
La traducción de los requisitos anteriormente mencionados en especificaciones técnicas establece las pautas siguientes para el diseño del FTTH ONU
- Una única fibra por cada usuario para reducir tamaño de la red de acceso
- Independencia de la longitud de onda para permitir una operación transparente en redes WDM
- Que no haya fuente de luz activa en las dependencias de usuario para prevenir el mantenimiento en el lado del usuario
- Con amplificación y así poder aumentar el número de usuarios y alcanzar mayores distancias

De esta manera, el objetivo principal de esta tesis es la investigación de unidades ópticas de red reflectoras, especialmente las basadas en amplificadores ópticos de semiconductor, así como su funcionamiento en redes de FTTH, basadas en tecnología de acceso WDM-PON. Esto implica fundamentalmente
- Identificar arquitecturas y dispositivos propuestos por medio de la investigación del trabajo publicado relacionado y destacar limitaciones y requisitos de los sistemas actuales
- evaluar las diversos alternativas para la ONU y para proponer soluciones mejoradas, demostradas con simulaciones y experimentos
- investigar limitaciones posibles de los sistemas transmisión bidireccionales y desarrollar soluciones para la mejora de la transmisión
- desarrollar descripciones analíticas de las señales implicadas en la transmisión
This research was conducted to deal with the problem of finding cost-effective solutions for Fibre-to-the-Home (FTTH) network deployment. In the FTTH network, the transceiver at the user premises and the deployment of fibre at the last mile are the major barriers.
A single-fibre topology to address each user reduces the amount of fibre required; passive optical components alleviate maintenance requirements in the access network.
The Rayleigh backscattering effect is identified as the most critical crosstalk in such transmission, the effect on the system performance and the investigations of possible solutions are presented in this thesis. The studies reveal that despite the Rayleigh backscattering crosstalk can not be totally eliminated, several techniques can mitigate the effect.
The use of the semiconductor optical amplifiers to feature transceiver tasks at the user premises adds simplicity to the network design in terms of wavelength transparency and amplification capabilities. We propose implementations with semiconductor amplifiers and test modulation and detection potentials inside the optical network.
The experimental results successfully demonstrate modulation and detection at 1Gbit/s and 2.5Gbit/s with semiconductor-based devices, in links of 30km and even though of 50km length; bit rate of 10Gbit/s is feasible with novel prototypes as well.
Reflective structures based on reflective semiconductor optical amplifiers are potential candidates, as they perform transmission functions efficiently and provide adequate amplification however, it is necessary the design of further structures capable of transmitting at a higher bit rates.
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Thayyil, Manu Viswambharan, Songhui Li, Niko Joram, and Frank Ellinger. "A K-band SiGe Super-Regenerative Amplifier for FMCW Radar Active Reflector Applications." Institute of Electrical and Electronics Engineers, Inc. (IEEE), 2018. https://tud.qucosa.de/id/qucosa%3A35127.

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A K-band integrated super-regenerative amplifier (SRA) in a 130nm SiGe BiCMOS technology is designed and characterized. The circuit is based on a novel stacked transistor differential cross-coupled oscillator topology, with a controllable tail current for quenching the oscillations. The fabricated integrated circuit (IC) occupies an area of 0.63mm2, and operates at the free-running center frequency of 25.3 GHz. Characterization results show circuit operation from a minimum input power level required for a phase coherent output as −110 dBm, and the input power level corresponding to the linear to logarithmic mode transition of −85 dBm, the lowest reported for K-band integrated logarithmic mode SRAs to date to the knowledge of the authors. The measured output power is 7.8dBm into a 100 differential load. The power consumption of the circuit is 110mW with no quench signal applied, and 38mW with 30 % duty cycle quenching. The quench waveform designed for the reported measurement result is also discussed.
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Labukhin, Dmitry Li Xun. "Modelling, design, and simulation of facet reflection and gain polarization dependence in semiconductor optical amplifiers." *McMaster only, 2007.

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Thayyil, Manu Viswambharan, Hatem Ghaleb, Niko Joram, and Frank Ellinger. "A 28 GHz Superregenerative Amplifier for FMCW Radar Reflector Applications in 45 nm SOI CMOS." Institute of Electrical and Electronics Engineers (IEEE), 2018. https://tud.qucosa.de/id/qucosa%3A35128.

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This paper presents the design and characterization of a 28GHz integrated super-regenerative amplifier (SRA) in a 45 nm silicon on insulator (SOI) technology. The circuit is based on a complementary cross-coupled oscillator topology. The fabricated integrated circuit (IC) occupies an area of 0.67 mm 2 , and operates in a frequency range from 28.07GHz to 29.35 GHz. Characterization results show the minimum input sensitivity of the circuit, as -85 dBm and the input power level corresponding to the linear to logarithmic mode transition as -66.3 dBm. The measured output power delivered into a 100 Ω differential load is 1.1 dBm. The DC power consumption of the circuit is 10.6 mW. To the knowledge of the authors, the circuit has the best reported combined sensitivity and output power for an FMCW radar reflector implementation in CMOS.
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Books on the topic "Reflection amplifier"

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Fiore, Mark Steven. High power reflection amplifier design in the 8-12 GHz frequency range. Cornell University, 1988.

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Gardner, P. An investigation into microwave low noise negative resistance reflection amplifiers using GaAs field effect transistors. UMIST, 1990.

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Bodroghkozy, Aniko. The Chosen Instrument of the Revolution? University of Illinois Press, 2017. http://dx.doi.org/10.5406/illinois/9780252036682.003.0003.

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This chapter examines whether television news was “the instrument of the revolution” during the civil rights era. It first considers early television news coverage of the civil rights story, focusing on the seminal news documentary series, See It Now (1957) and its strategy to privilege the white moderate. It then turns to television coverage of the James Meredith crisis at the University of Mississippi, along with network news' ambivalence with black activism and CBS Eyewitness coverage of the Albany Movement. The chapter asks whether television news amplified and publicized the goals, politics, and agendas of the civil rights movement, its activists, demonstrators, and spokespeople for the cause of voting rights, desegregation, and African American empowerment. It suggests that news reporting, whether print or television, is obviously not a neutral mirror reflecting reality.
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Book chapters on the topic "Reflection amplifier"

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Mishra, L. P., and M. Mitra. "Design and Characterization of Ka-Band Reflection-Type IMPATT Amplifier." In Advances in Intelligent Systems and Computing. Springer India, 2014. http://dx.doi.org/10.1007/978-81-322-2012-1_51.

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Liu, Zhenlin, Hidetoshi Murakami, Toshimasa Kozeki, Hideyuki Ohtake, and Nobuhiko Sarukura. "Reflection-double-pass, Ti:sapphire continuous-wave amplifier delivering 5.77-W average power, 82-MHz repetition rate, 100-fs pulse." In Ultrafast Phenomena XII. Springer Berlin Heidelberg, 2001. http://dx.doi.org/10.1007/978-3-642-56546-5_26.

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Totović, Angelina, and Dejan Gvozdić. "Traveling-Wave and Reflective Semiconductor Optical Amplifiers." In Handbook of Optoelectronic Device Modeling and Simulation. CRC Press, 2017. http://dx.doi.org/10.1201/9781315152301-21.

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Maji, K., K. Mukherjee, and Asif Raja. "Performance of All-Optical Logic Soliton-Based AND Gate Using Reflective Semiconductor Optical Amplifier (RSOA)." In Lecture Notes in Electrical Engineering. Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-15-0829-5_27.

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Wardle, Heather. "Introduction." In Games Without Frontiers? Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-74910-1_1.

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AbstractRecent academic and policy attention focuses on the “convergence” of gambling and games. Yet, looking at the social and historical context of gambling and games, we see they were always intertwined, with both reflecting broader social, economic and cultural conditions. Setting out the argument for this book, this chapter contends that what we see today, with phenomena like loot boxes, is an acceleration of this trend, amplified by the changing technologies which underpin both industries. Little attention has been paid to these broader social and historical processes, which limits our understanding of them and our anticipation of what might happen next. This book aims to act as a primer to place the “convergence” of gambling and gaming within its rightful historical context and encourages us to take a broader perspective when thinking about the impact of these developments.
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Maji, Kajal, Kousik Mukherjee, and Mrinal Kanti Mandal. "Simulative Performance Analysis of All Optical Universal Logic TAND Gate Using Reflective Semiconductor Optical Amplifier (RSOA)." In Advances in Intelligent Systems and Computing. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-7834-2_9.

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Yip, Ching Wen. "The Design and Modeling of 2.4 GHz and 3.5 GHz MMIC LNA." In Advances in Monolithic Microwave Integrated Circuits for Wireless Systems. IGI Global, 2012. http://dx.doi.org/10.4018/978-1-60566-886-4.ch007.

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LNA is an electronic amplifier that is required in receiver systems to increase the amplitude of the very low level signals from the antenna without adding too much noise. Software Advance Design System (ADS) was used to simulate the circuit and design the layout. LNA was designed using cascode topology with feedback techniques which produces better matching and unconditionally stable over the entire desired frequencies. For the 2.4 GHz operation, the amplifier achieves gain of 14.949 dB, noise figure of 1.951 dB and input reflection coefficient of -10.419 dB. With operating voltage supply at 3V, the total current consumption is 13 mA. For 3.5GHz amplifier, gain is 22.985 dB, noise figure is 1.964dB, input reflection coefficient is -12.427 dB and current consumption is 18 mA.
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Mustaffa, Mohd Tafir. "Multi-Standard Multi-Band Reconfigurable LNA." In Advances in Monolithic Microwave Integrated Circuits for Wireless Systems. IGI Global, 2012. http://dx.doi.org/10.4018/978-1-60566-886-4.ch001.

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In this research, the aim is to design and implement a new low noise amplifier (LNA) for a multi-standard mobile receiver based on reconfigurability concept. The LNA design is based on the inductively-degenerated common-source (IDCS) topology as it has been proven to be a good choice in designing multi-standard multi-band LNA. The design is using 0.18 µm CMOS technology. The reconfigurable LNA has been designed to operate in two bands of standards consisting the bands range from 800 to 1000-MHz (lower band) and 1800 to 2200-MHz (upper band). The simulation results exhibit gain S21 of 12.9-dB for lower band and 12.4-dB for upper band, input reflection S11 of -14.5-dB and -17.2-dB for both bands, and output return loss S22 of -14.7-dB and -26-dB for lower and upper band making the LNA suitable for most of the mobile communication applications. The LNA also exhibits the noise of figure of 2.55-dB and 2.3-dB for lower and upper band respectively. The circuit consumes 26.5 mW when operating in lower band mode and uses 18.8 mW of power when operating in upper band mode.
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"Reflective Semiconductor Optical Amplifiers (RSOA)." In Semiconductor Optical Amplifiers. WORLD SCIENTIFIC, 2013. http://dx.doi.org/10.1142/9789814489041_0012.

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Candy, Linda. "Digitally amplified reflective practice." In The Creative Reflective Practitioner. Routledge, 2019. http://dx.doi.org/10.4324/9781315208060-5.

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Conference papers on the topic "Reflection amplifier"

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Sharma, Pankaj, Laurent Syavoch Bernard, Antonios Bazigos, Arnaud Magrez, Laszlo Forro, and Adrian M. Ionescu. "Reflection amplifier based on graphene." In ESSDERC 2016 - 46th European Solid-State Device Research Conference. IEEE, 2016. http://dx.doi.org/10.1109/essderc.2016.7599587.

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Sharma, Pankaj, Laurent Syavoch Bernard, Antonios Bazigos, Arnaud Magrez, Laszlo Forro, and Adrian M. Ionescu. "Reflection amplifier based on graphene." In ESSCIRC Conference 2016: 42nd European Solid-State Circuits Conference. IEEE, 2016. http://dx.doi.org/10.1109/esscirc.2016.7598243.

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Venger, A. P., H. L. Medina, R. Chavez, and A. Velasquez. "Reflection transistor amplifier for decimeter waveband." In 2003 13th International Crimean Conference 'Microwave and Telecommunication Technology' Conference Proceedings. IEEE, 2003. http://dx.doi.org/10.1109/crmico.2003.158773.

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Kimionis, John, Manos M. Tentzeris, Apostolos Georgiadis, and Ana Collado. "Inkjet-printed reflection amplifier for increased-range Backscatter radio." In 2014 44th European Microwave Conference (EuMC). IEEE, 2014. http://dx.doi.org/10.1109/eumc.2014.6986355.

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Weglein, R. D., and H. A. Leach. "The Noise Behavior of an Injection-Locked Magnetron Reflection Amplifier." In MTT-S International Microwave Symposium Digest. MTT005, 1987. http://dx.doi.org/10.1109/mwsym.1987.1132379.

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Xue, Liang, Horacio I. Cantu, and Vincent F. Fusco. "Two-Dimensional Luneburg Lens RCS Augmentation using MMIC Reflection Amplifier." In 2007 Loughborough Antennas and Propagation Conference. IEEE, 2007. http://dx.doi.org/10.1109/lapc.2007.367436.

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Farzami, Farhad, Seiran Khaledian, Besma Smida, and Danilo Erricolo. "Ultra-low power reflection amplifier using tunnel diode for RFID applications." In 2017 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting. IEEE, 2017. http://dx.doi.org/10.1109/apusncursinrsm.2017.8073298.

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Meng, Hongyun, Songhao Liu, and Xiaoyi Dong. "Reflection L-band erbium-doped fiber-amplifier-based fiber loop mirror." In Asia-Pacific Optical Communications, edited by Yan Sun, Shuisheng Jian, Sang Bae Lee, and Katsunari Okamoto. SPIE, 2005. http://dx.doi.org/10.1117/12.568188.

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Chi, Chen J., Yujie Peng, Hongpeng Su, and Yuxin Leng. "End Pumped All Internal Reflection Small-Sized Nd:YAG Slab Picosecond Laser Amplifier." In International Symposium on Ultrafast Phenomena and Terahertz Waves. OSA, 2016. http://dx.doi.org/10.1364/isuptw.2016.it2a.34.

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Kimionis, John, Apostols Georgiadis, Sangkil Kim, Ana Collado, Kyriaki Niotaki, and Manos M. Tentzeris. "An enhanced-range RFID tag using an ambient energy powered reflection amplifier." In 2014 IEEE/MTT-S International Microwave Symposium - MTT 2014. IEEE, 2014. http://dx.doi.org/10.1109/mwsym.2014.6848653.

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Reports on the topic "Reflection amplifier"

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Davidson, F. M., P. Nigon, G. C. Gilbreath, and W. S. Rabinovich. Receiver Performance Characterization for Modulating Retro-Reflector Atmospheric Optical Links With Pulsed Lasers and Optical Pre-Amplifiers. Defense Technical Information Center, 2005. http://dx.doi.org/10.21236/ada470521.

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Mayas, Magda. Creating with timbre. Norges Musikkhøgskole, 2018. http://dx.doi.org/10.22501/nmh-ar.686088.

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Unfolding processes of timbre and memory in improvisational piano performance This exposition is an introduction to my research and practice as a pianist, in which I unfold processes of timbre and memory in improvised music from a performer’s perspective. Timbre is often understood as a purely sonic perceptual phenomenon. However, this is not in accordance with a site-specific improvisational practice with changing spatial circumstances impacting the listening experience, nor does it take into account the agency of the instrument and objects used or the performer’s movements and gestures. In my practice, I have found a concept as part of the creating process in improvised music which has compelling potential: Timbre orchestration. My research takes the many and complex aspects of a performance environment into account and offers an extended understanding of timbre, which embraces spatial, material and bodily aspects of sound in improvised music performance. The investigative projects described in this exposition offer a methodology to explore timbral improvisational processes integrated into my practice, which is further extended through collaborations with sound engineers, an instrument builder and a choreographer: -experiments in amplification and recording, resulting in Memory piece, a series of works for amplified piano and multichannel playback - Piano mapping, a performance approach, with a custom-built device for live spatialization as means to expand and deepen spatio-timbral relationships; - Accretion, a project with choreographer Toby Kassell for three grand pianos and a pianist, where gestural approaches are used to activate and compose timbre in space. Together, the projects explore memory as a structural, reflective and performative tool and the creation of performing and listening modes as integrated parts of timbre orchestration. Orchestration and choreography of timbre turn into an open and hybrid compositional approach, which can be applied to various contexts, engaging with dynamic relationships and re-configuring them.
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