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Artículos de revistas sobre el tema "Large Bandwith"

Autor: Grafiati

Publicado: 4 de junio de 2021

Última modificación: 18 de febrero de 2022

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1

ALVAREZ, GONZALO, and SHUJUN LI. "SOME BASIC CRYPTOGRAPHIC REQUIREMENTS FOR CHAOS-BASED CRYPTOSYSTEMS." International Journal of Bifurcation and Chaos 16, no. 08 (2006): 2129–51. http://dx.doi.org/10.1142/s0218127406015970.

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In recent years, a large amount of work on chaos-based cryptosystems have been published. However, many of the proposed schemes fail to explain or do not possess a number of features that are fundamentally important to all kind of cryptosystems. As a result, many proposed systems are difficult to implement in practice with a reasonable degree of security. Likewise, they are seldom accompanied by a thorough security analysis. Consequently, it is difficult for other researchers and end users to evaluate their security and performance. This work is intended to provide a common framework of basic

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2

Spence, John C. H. "Approaches to time-resolved diffraction using an XFEL." Faraday Discuss. 171 (2014): 429–38. http://dx.doi.org/10.1039/c4fd00025k.

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We describe several schemes for time-resolved imaging of molecular motion using a free-electron laser (XFEL), in response to the many challenges and opportunities which XFEL radiation has created for accurate time-resolved measurement of structure. For pump–probe experiments using crystals, the problem of recording full Bragg reflections (not partials) in each shot arises. Two solutions, the use of the large bandwith which necesarily results from using attosecond pulses, and the use the coherent convergent beam mode are suggested. We also show that with attosecond recording times shorter than

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3

Putera, Bagas Dwi, Erfansyah Ali, Heroe Wijanto, and M. Ramdhani. "Design and Realization of Memory-Based Chirp Generator on Synthetic Aperture Radar (SAR)." Journal of Measurements, Electronics, Communications, and Systems 4, no. 1 (2018): 16. http://dx.doi.org/10.25124/jmecs.v4i1.1695.

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Synthetic Aperture Radar (SAR) is a radar system that uses platform movement combined with signal processing. Eventhough it use a small antenna, SAR produce high resolution as good as a large antenna. In SAR imaging, radar is mounted on a moving platform. It transmits electromagnetic pulses and receives backscattered echo signals. Transmitted pulses are subsequently scattered by earth surface and only small portion of them are received by antenna. SAR transmitted signals normally is a chirp or linear frequency modulation (LFM) signal. Chirp signal can be generated by using the analog and digit

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4

Al-Samman, Ahmed, Tharek Rahman, MHD Hindia, Abdusalama Daho, and Effariza Hanafi. "Path Loss Model for Outdoor Parking Environments at 28 GHz and 38 GHz for 5G Wireless Networks." Symmetry 10, no. 12 (2018): 672. http://dx.doi.org/10.3390/sym10120672.

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It has been widely speculated that the performance of the next generation Internet of Things (IoT) based wireless network should meet a transmission speed on the order of 1000 times more than current wireless networks; energy consumption on the order of 10 times less and access delay of less than 1 ns that will be provided by future 5G systems. To increase the current mobile broadband capacity in future 5G systems, the millimeter wave (mmWave) band will be used with huge amounts of bandwidth available in this band. Hence, to support this wider bandwith at the mmWave band, new radio access tech

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5

Johnson, Aaron, Rob Jansen, Nicholas Hopper, Aaron Segal, and Paul Syverson. "PeerFlow: Secure Load Balancing in Tor." Proceedings on Privacy Enhancing Technologies 2017, no. 2 (2017): 74–94. http://dx.doi.org/10.1515/popets-2017-0017.

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Abstract We present PeerFlow, a system to securely load balance client traffic in Tor. Security in Tor requires that no adversary handle too much traffic. However, Tor relays are run by volunteers who cannot be trusted to report the relay bandwidths, which Tor clients use for load balancing. We show that existing methods to determine the bandwidths of Tor relays allow an adversary with little bandwidth to attack large amounts of client traffic. These methods include Tor’s current bandwidth-scanning system, TorFlow, and the peer-measurement system EigenSpeed. We present an improved design calle

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6

Anwar, Yuli, and Dahlar . "ANALISA PERBANDINGAN DALAM RANGKA PEMILIHAN BEBERAPA IP UPSTREAM PROVIDER DI PT. INDOSAT." Jurnal Ilmiah Binaniaga 4, no. 1 (2018): 57. http://dx.doi.org/10.33062/jib.v4i1.207.

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Abstract. One of the advances in information technology that now has changed the outlook and human life, business process and business strategy of an institution is the internet. The internet is a very large networks that connected to computers and serves throughout the world in one centralized network. With the internet we can access data and information anytime and anywhere. As one provider of high-speed data communications services and the pioneer of the internet network service provider in Indonesia that provides integrated services, as well as one of the pioneer development of internet se

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7

Ozawa, Akira, and Thomas Udem. "Very large bandwidth lasers." Nature Photonics 15, no. 4 (2021): 247–49. http://dx.doi.org/10.1038/s41566-021-00788-w.

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8

Grose, John H., Joseph W. Hall, and Madhu B. Dev. "MLD in Children." Journal of Speech, Language, and Hearing Research 40, no. 4 (1997): 955–59. http://dx.doi.org/10.1044/jslhr.4004.955.

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The first aim of this study was to obtain a more detailed picture of the effect of masker bandwidth (20 Hz to 1000 Hz bandwidth) on the masking level difference (MLD) for a 500-Hz signal as a function of listener age. The results of the pure-tone signal experiment showed that the MLDs of older children differed from adults only for the narrowest masker bandwidth. In contrast, children younger than about 7 years of age tended to have smaller MLDs than adults at all but the widest masker bandwidths. These results suggest that the younger the listener, the wider the noise bandwidth must be for ML

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9

Roy, Swapan K., Vincent T. K. Sauer, Jocelyn N. Westwood-Bachman, Anandram Venkatasubramanian, and Wayne K. Hiebert. "Improving mechanical sensor performance through larger damping." Science 360, no. 6394 (2018): eaar5220. http://dx.doi.org/10.1126/science.aar5220.

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Mechanical resonances are used in a wide variety of devices, from smartphone accelerometers to computer clocks and from wireless filters to atomic force microscopes. Frequency stability, a critical performance metric, is generally assumed to be tantamount to resonance quality factor (the inverse of the linewidth and of the damping). We show that the frequency stability of resonant nanomechanical sensors can be improved by lowering the quality factor. At high bandwidths, quality-factor reduction is completely mitigated by increases in signal-to-noise ratio. At low bandwidths, notably, increased

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10

Fuss, Ian. "Cryogenic large bandwidth acoustooptic deflectors." Applied Optics 26, no. 7 (1987): 1222. http://dx.doi.org/10.1364/ao.26.001222.

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11

Kakoyiannis, Constantine G., and Philip Constantinou. "Compact Printed Arrays with Embedded Coupling Mitigation for Energy-Efficient Wireless Sensor Networking." International Journal of Antennas and Propagation 2010 (2010): 1–18. http://dx.doi.org/10.1155/2010/596291.

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Wireless sensors emerged as narrowband, resource-constrained devices to provide monitoring services over a wide life span. Future applications of sensor networks are multimedia-driven and include sensor mobility. Thus, sensors must combine small size, large bandwidth, and diversity capabilities. Compact arrays, offering transmit/receive diversity, suffer from strong mutual coupling (MC), which causes lower antenna efficiency, loss of bandwidth, and signal correlation. An efficient technique to reduce coupling in compact arrays is described herein: a defect was inserted in the ground plane (GND

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12

JIANG Jia, 蒋佳, 耿敏明 GENG Minming, 刘嫱 LIU Qiang та 张振荣 ZHANG Zhenrong. "基于三环辅助Mach-Zehnder干涉仪的带宽可调滤波器设计". ACTA PHOTONICA SINICA 50, № 7 (2021): 275. http://dx.doi.org/10.3788/gzxb20215007.0713002.

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13

Britten, Kenneth H., and William T. Newsome. "Tuning Bandwidths for Near-Threshold Stimuli in Area MT." Journal of Neurophysiology 80, no. 2 (1998): 762–70. http://dx.doi.org/10.1152/jn.1998.80.2.762.

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Britten, Kenneth H. and William T. Newsome. Tuning bandwidths for near-threshold stimuli in area MT. J. Neurophysiol. 80: 762–770, 1998. It is not known whether psychophysical performance depends primarily on small numbers of neurons optimally tuned to specific visual stimuli, or on larger populations of neurons that vary widely in their properties. Tuning bandwidths of single cells can provide important insight into this issue, yet most bandwidth measurements have been made using suprathreshold visual stimuli, whereas psychophysical measurements are frequently obtained near threshold. We ther

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14

Søndergaard, Thomas, and Andrei Lavrinenko. "Large-bandwidth planar photonic crystal waveguides." Optics Communications 203, no. 3-6 (2002): 263–70. http://dx.doi.org/10.1016/s0030-4018(02)01172-0.

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15

Croq, F., and A. Papiernik. "Large bandwidth aperture-coupled microstrip antenna." Electronics Letters 26, no. 16 (1990): 1293. http://dx.doi.org/10.1049/el:19900832.

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16

Thouin, Frederic, Mark Coates, and Michael Rabbat. "Large scale probabilistic available bandwidth estimation." Computer Networks 55, no. 9 (2011): 2065–78. http://dx.doi.org/10.1016/j.comnet.2011.02.011.

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17

CHAN, SZE-CHUN, and WALLACE K. S. TANG. "CHAOTIC DYNAMICS OF LASER DIODES WITH STRONGLY MODULATED OPTICAL INJECTION." International Journal of Bifurcation and Chaos 19, no. 10 (2009): 3417–24. http://dx.doi.org/10.1142/s0218127409024852.

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In this paper, a modulated optical injection system is proposed. It mainly consists of a semiconductor laser subject to a modulated optical injection. It is known that optical injection will force a laser intensity into high-speed periodic oscillation without modulation, while the oscillation will be locked with weak external modulation. However, the route to chaos in such a system is observed and reported for the first time. It is shown that the generated oscillation frequency shifts away from the external frequency when the modulation amplitude becomes sufficiently large. Due to the nonlinea

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18

Chen, Sen, and Sheng-Nian Luo. "Small-angle scattering of polychromatic X-rays: effects of bandwidth, spectral shape and high harmonics." Journal of Synchrotron Radiation 25, no. 2 (2018): 496–504. http://dx.doi.org/10.1107/s1600577517018355.

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Polychromatic X-ray sources can be useful for photon-starved small-angle X-ray scattering given their high spectral fluxes. Their bandwidths, however, are 10–100 times larger than those using monochromators. To explore the feasibility, ideal scattering curves of homogeneous spherical particles for polychromatic X-rays are calculated and analyzed using the Guinier approach, maximum entropy and regularization methods. Monodisperse and polydisperse systems are explored. The influence of bandwidth and asymmetric spectra shape are exploredviaGaussian and half-Gaussian spectra. Synchrotron undulator

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19

Wootton, R., J. Dornan, N. M. Fisk, et al. "The effect of transmission bandwidth on diagnostic accuracy in remote fetal ultrasound scanning." Journal of Telemedicine and Telecare 3, no. 4 (1997): 209–14. http://dx.doi.org/10.1258/1357633971931183.

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Six subspecialists with considerable experience in fetal ultrasound viewed a selection of pre-recorded ultrasound scans. Scans from 18 patients recorded on VHS video-tape were supplied from five centres in the UK and Ireland, each made on a high-resolution ultrasound machine by an experienced sonologist at a referral centre. Each observer viewed the scans on a large display monitor in an individual viewing booth. The scans were viewed in random order, at randomly selected bandwidths. Observers, who were blinded to both recording and bandwidth, assessed the technical quality on a five-point Lik

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20

Kortekaas, Reinier W. L., and Patricia G. Stelmachowicz. "Bandwidth Effects on Children's Perception of the Inflectional Morpheme /s/." Journal of Speech, Language, and Hearing Research 43, no. 3 (2000): 645–60. http://dx.doi.org/10.1044/jslhr.4303.645.

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The goal of this study was to examine developmental effects in auditory perception of word-final /s/ in inflectional morpheme contexts as a function of high-frequency (HF) bandwidth. Such developmental effects may support the use of hearing aids with extended bandwidths in young children with impaired hearing. The first part of the study consisted of acoustical measurements on word-initial /s/ and inflectional morpheme /s/ in sentences recorded from a male speaker. For this speaker, recordings of inflectional morpheme /s/ on average were approximately 50 ms shorter and about 5 dB lower in leve

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21

Chen, Qiang, Hou Zhang, Lu-chun Yang, Bin-bin Li, and Xue-liang Min. "Wideband Inverted-L Microstrip-via-Fed Circularly Polarized Antenna with Asymmetrical Ground for WLAN/Wimax Applications." Frequenz 72, no. 7-8 (2018): 333–41. http://dx.doi.org/10.1515/freq-2017-0075.

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Abstract A design with wideband and circularly polarized radiation antenna from an open-slot antenna has been demonstrated in this paper. The proposed antenna, which consists of an open slot and an inverted-L strip feeding, provides a large bandwidth, which completely cover the Wimax (3.3–3.8 GHz) and WLAN (2.4–2.48 GHz) bands. The open slot is formed by an modified ground plane with a slit cut and monofilar spiral stubs employed, which fed by an asymmetrical inverted-L strip feedline using a via. As demonstrated, the CP operation was significantly improved by loading monofilar spiral stubs co

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22

MOSTAFA, HASSAN, HEWIDA MOHAMED, and A. M. SOLIMAN. "NOVEL FCS-BASED LAYOUT-FRIENDLY ACCURATE WIDE-BAND LOW-POWER CCII- REALIZATIONS." Journal of Circuits, Systems and Computers 19, no. 05 (2010): 997–1014. http://dx.doi.org/10.1142/s0218126610006566.

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This paper presents two novel Floating Current Source (FCS)-based CMOS negative second generation current conveyor (CCII-) realizations suitable for very large scale implementation. The proposed realizations provide high voltage and current tracking accuracy, as well as large voltage and current transfer bandwidths. Simulation results show that the first proposed wide-band CCII- bandwidth is about 972 MHz. Targeting low-power dissipation, a second low-power version of the wide-band CCII- is proposed at the expense of lower bandwidth and accuracy. The proposed CCII- realizations are layout-frie

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23

Courcoubetis, Costas, and Richard Weber. "Effective Bandwidths for Stationary Sources." Probability in the Engineering and Informational Sciences 9, no. 2 (1995): 285–96. http://dx.doi.org/10.1017/s0269964800003867.

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At a buffered switch in an ATM (asynchronous transfer mode) network it is important to know what combinations of different types of traffic can be carried simultaneously without risking more than a very small probability of overflowing the buffer. We show that a simple and serviceable measure of effective bandwidths may be computed for stationary traffic sources. For large buffers the effective bandwidth of a source is a function only of its mean rate, index of dispersion, and the size of the buffer.

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24

Wood, P. R., M. S. Bessell, S. M. G. Hughes, et al. "OH/IR stars in the Large Magellanic Cloud: the observations." Symposium - International Astronomical Union 148 (1991): 386–87. http://dx.doi.org/10.1017/s007418090020096x.

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In 1985 we began a search for OH/IR objects in the Magellanic Clouds. The first detection was reported by Wood, Bessell & Whiteoak (1986). Subsequent searches have yielded several of these objects and other highly-evolved stars obscured by thick circumstellar shells.The 1612-MHz OH observations were made using the Parkes 64-m radio telescope. Most of the observations utilized a dual-channel cryogenic receiver providing a system temperature of around 38 K on cold sky. The OH spectra were obtained with the Parkes digital correlator split into 512-channel segments. Bandwidths of 2 MHz provide

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25

Jiang, Jingyan, Liang Hu, Chenghao Hu, Jiate Liu, and Zhi Wang. "BACombo—Bandwidth-Aware Decentralized Federated Learning." Electronics 9, no. 3 (2020): 440. http://dx.doi.org/10.3390/electronics9030440.

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The emerging concern about data privacy and security has motivated the proposal of federated learning. Federated learning allows computing nodes to only synchronize the locally- trained models instead of their original data in distributed training. Conventional federated learning architecture, inherited from the parameter server design, relies on highly centralized typologies and large nodes-to-server bandwidths. However, in real-world federated learning scenarios, the network capacities between nodes are highly uniformly distributed and smaller than that in data centers. As a result, how to e

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26

Barreiro-Ures, Daniel, Ricardo Cao, and Mario Francisco-Fernández. "Bandwidth Selection in Nonparametric Regression with Large Sample Size." Proceedings 2, no. 18 (2018): 1166. http://dx.doi.org/10.3390/proceedings2181166.

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In the context of nonparametric regression estimation, the behaviour of kernel methods such as the Nadaraya-Watson or local linear estimators is heavily influenced by the value of the bandwidth parameter, which determines the trade-off between bias and variance. This clearly implies that the selection of an optimal bandwidth, in the sense of minimizing some risk function (MSE, MISE, etc.), is a crucial issue. However, the task of estimating an optimal bandwidth using the whole sample can be very expensive in terms of computing time in the context of Big Data, due to the computational complexit

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27

Giusi, Gino, Gianluca Cannatà, Graziella Scandurra, and Carmine Ciofi. "Ultra-low-noise large-bandwidth transimpedance amplifier." International Journal of Circuit Theory and Applications 43, no. 10 (2014): 1455–73. http://dx.doi.org/10.1002/cta.2015.

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28

Ngo, K. D. T., S. Kirachaiwanich, and M. Walters. "Buck modulator with improved large-power bandwidth." IEEE Transactions on Aerospace and Electronic Systems 38, no. 4 (2002): 1335–43. http://dx.doi.org/10.1109/taes.2002.1145754.

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29

Levine, E., S. Shtrikman, and D. Treves. "Double-sided printed arrays with large bandwidth." IEE Proceedings H Microwaves, Antennas and Propagation 135, no. 1 (1988): 54. http://dx.doi.org/10.1049/ip-h-2.1988.0010.

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30

Christov, I. P., and I. V. Tomov. "Large bandwidth pulse compression with diffraction gratings." Optics Communications 58, no. 5 (1986): 338–42. http://dx.doi.org/10.1016/0030-4018(86)90240-3.

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31

Forbes, Patrick A., Christopher J. Dakin, Alistair N. Vardy, et al. "Frequency response of vestibular reflexes in neck, back, and lower limb muscles." Journal of Neurophysiology 110, no. 8 (2013): 1869–81. http://dx.doi.org/10.1152/jn.00196.2013.

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Vestibular pathways form short-latency disynaptic connections with neck motoneurons, whereas they form longer-latency disynaptic and polysynaptic connections with lower limb motoneurons. We quantified frequency responses of vestibular reflexes in neck, back, and lower limb muscles to explain between-muscle differences. Two hypotheses were evaluated: 1) that muscle-specific motor-unit properties influence the bandwidth of vestibular reflexes; and 2) that frequency responses of vestibular reflexes differ between neck, back, and lower limb muscles because of neural filtering. Subjects were expose

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32

Gupta, Maneesha, Urvashi Singh, and Richa Srivastava. "High-Frequency and Low-Power Output Stages Based on FGMOS Flipped Voltage Follower." ISRN Electronics 2013 (February 10, 2013): 1–7. http://dx.doi.org/10.1155/2013/914058.

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Two new high-performance output stages are proposed. These output stages are basically designed by using a flipped voltage follower (FVF). The proposed low-power and low-voltage output stages have utilized the advantages of the FGMOS technology. They are characterized by low-power dissipation, reduced power supply requirement, and larger bandwidth. By using FGMOS-based FVF in place of conventional FVF, the linearity of the output stages has been highly improved. The small-signal analysis of FGMOS-based FVF is done to show the bandwidth enhancement of conventional FVF. The circuits are simulate

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33

SAGAYDAK, D. A. "APPLICATION OF THE SECRET SEPARATION ALGORITHM IN DATA TRANSMISSION AND STORAGE SYSTEMS." Applied Mathematics and Fundamental Informatics 8, no. 1 (2021): 050–58. http://dx.doi.org/10.25206/2311-4908-2021-8-1-50-58.

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The possibility of using the secret sharing scheme for secure information exchange in data transmission and storage systems is given. Variants of 1) demultiplexing of transmitted data over two communication channels with different bandwidths are proposed, when a smaller part of information is transmitted over a closed communication channel with a lower capital capacity, and through an open channel with a higher bandwidth, most of the information; 2) distributed storage of data using the services of data processing centers, when not all information is transferred to storage, but some of its lar

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34

Han, Liping, Longfei Hao, Liyun Yan, Runbo Ma, and Wenmei Zhang. "Design of compact dual-frequency antenna with bandwidth enhancement." International Journal of Microwave and Wireless Technologies 9, no. 1 (2015): 213–18. http://dx.doi.org/10.1017/s1759078715001166.

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A compact dual-frequency antenna with enhanced bandwidth is proposed in this paper. Dual-frequency operation is realized by cutting a slot in the elliptical patch, and bandwidth enhancement is achieved by using a partial ground plane. Compared with the conventional half-wave antenna, the antenna has a compact size of 24 × 20 mm2, which equals to 0.38 λ1× 0.31 λ1(λ1, the guided wavelength at the first resonant frequency). The dual-frequency antenna with a partial rectangle ground and a partial arc-shaped ground is investigated for impedance matching. Simulated results indicate that the antenna

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35

Hachi, Asmae, Hassan Lebbar, and Mohamed Himdi. "3D PRINTED LARGE BANDWIDTH NEW YAGI-UDA ANTENNA." Progress In Electromagnetics Research Letters 88 (2020): 129–35. http://dx.doi.org/10.2528/pierl19101303.

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36

Jones, M. C. "KERNEL DENSITY ESTIMATION WHEN THE BANDWIDTH IS LARGE." Australian Journal of Statistics 35, no. 3 (1993): 319–26. http://dx.doi.org/10.1111/j.1467-842x.1993.tb01339.x.

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37

Pieraccini, M., A. Bicci, D. Mecatti, G. Macaluso, and C. Atzeni. "Propagation of Large Bandwidth Microwave Signals in Water." IEEE Transactions on Antennas and Propagation 57, no. 11 (2009): 3612–18. http://dx.doi.org/10.1109/tap.2009.2025674.

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38

Lee, S., and J. H. Han. "Undulator operation for PAL-XFEL large bandwidth modes." Journal of Instrumentation 13, no. 08 (2018): T08007. http://dx.doi.org/10.1088/1748-0221/13/08/t08007.

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39

Ginis, Vincent, Philippe Tassin, Thomas Koschny, and Costas M. Soukoulis. "Broadband metasurfaces enabling arbitrarily large delay-bandwidth products." Applied Physics Letters 108, no. 3 (2016): 031601. http://dx.doi.org/10.1063/1.4939979.

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40

Khan, Salman Naeem, Xueguan Liu, Lvxia Shao, and Ying Wang. "COMPLEMENTARY SPLIT RING RESONATORS OF LARGE STOP BANDWIDTH." Progress In Electromagnetics Research Letters 14 (2010): 127–32. http://dx.doi.org/10.2528/pierl10033105.

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41

Lewis, J. M. "Bandwidth utilization of a large local area network." IEEE Communications Magazine 27, no. 2 (1989): 25–30. http://dx.doi.org/10.1109/35.17650.

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42

Oner, B. B., K. Üstün, H. Kurt, A. K. Okyay, and G. Turhan-Sayan. "Large bandwidth mode order converter by differential waveguides." Optics Express 23, no. 3 (2015): 3186. http://dx.doi.org/10.1364/oe.23.003186.

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43

Chang, H. S., K. J. Satzinger, Y. P. Zhong, et al. "A fast and large bandwidth superconducting variable coupler." Applied Physics Letters 117, no. 24 (2020): 244001. http://dx.doi.org/10.1063/5.0028840.

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44

Wojtczuk, S. J., J. M. Ballantyne, Y. K. Chen, and S. Wanuga. "Monolithically integrated, photoreceiver with large, gain-bandwidth product." Electronics Letters 23, no. 11 (1987): 574–76. http://dx.doi.org/10.1049/el:19870411.

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45

Rainal, A. J. "Bandwidth from a large excursion of Gaussian noise." IEEE Transactions on Instrumentation and Measurement 40, no. 4 (1991): 688–93. http://dx.doi.org/10.1109/19.85335.

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46

Morrow, I., and J. R. James. "Sequentially rotated large bandwidth circularly polarised printed antennas." Electronics Letters 31, no. 24 (1995): 2062–64. http://dx.doi.org/10.1049/el:19951452.

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47

Ma, Yanyan, Rong Wu, and Longfei Li. "Research on slow light transmission with wide bandwidth and large normalized delay bandwidth product." Optoelectronics Letters 17, no. 7 (2021): 407–11. http://dx.doi.org/10.1007/s11801-021-0125-3.

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48

Matolak, David W., Indranil Sen, and Wenhui Xiong. "The 5-GHz Airport Surface Area Channel—Part I: Measurement and Modeling Results for Large Airports." IEEE Transactions on Vehicular Technology 57, no. 4 (2008): 2014–26. http://dx.doi.org/10.1109/tvt.2007.912334.

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We describe results from a channel measurement and modeling campaign for the airport surface environment in the 5-GHz band. Using a 50-MHz bandwidth test signal, thousands of power delay profiles (PDPs) were obtained and processed to develop empirical tapped-delay line statistical channel models for large airports. A log-distance path loss model was also developed. The large airport surface channel is classified into three propagation regions, and models are presented for each of the regions for two values of bandwidth. Values of the median root-mean-square (RMS) delay spread range from 500 to

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49

Peretti, L. F., and E. H. Dowell. "Experimental Verification of the Asymptotic Modal Analysis Method as Applied to a Rectangular Acoustic Cavity Excited by Structural Vibration." Journal of Vibration and Acoustics 114, no. 4 (1992): 546–54. http://dx.doi.org/10.1115/1.2930297.

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An experiment was performed on a rigid wall rectangular acoustic cavity driven by a flexible plate mounted in a quarter of one end wall and excited by white noise. The experiment was designed so that the assumptions of Asymptotic Modal Analysis (AMA) were satisfied for certain bandwidths and center frequencies. Measurements of sound pressure levels at points along the boundaries and incrementally into the interior were taken. These were compared with the theoretical results predicted with AMA, and found to be in good agreement, particularly for moderate (1/3 octave) bandwidths and sufficiently

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50

Chuchuen, Yanapat, Kritwara Rattanaopas, and Sarapee Chunkaew. "Quality of Service on Link Aggregation Network Virtualization for Docker Containers." Applied Mechanics and Materials 886 (January 2019): 227–32. http://dx.doi.org/10.4028/www.scientific.net/amm.886.227.

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Docker engine is an extremely powerful tool for PaaS platform of cloud computing. It gives benefits for large-scale of internet services. Web service is basic service for everyone who requires to access internet that web infrastructure must has scalability with load-balance web server called reverse proxy. The key answers for a large-scale web must have multiple web servers working together with high speed bandwidth. Moreover, multiple clusters can find in the same data center there are required to assign priority and quality of each cluster service. We investigate load-balance assign link agg

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