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Journal articles on the topic 'Bandwidth capabilities'

Author: Grafiati

Published: 4 June 2025

Last updated: 15 July 2025

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1

Stil, Jeroen M. "Capabilities of next generation telescopes for cosmic magnetism." Proceedings of the International Astronomical Union 14, A30 (2018): 311–14. http://dx.doi.org/10.1017/s1743921319004484.

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AbstractThe next generation of radio telescopes offer significant improvement in bandwidth and survey speed. We examine the ability to resolve Faraday thick objects in Faraday space as a function of survey parameters. The necessary combination of λmax and λmin to resolve objects with modest Faraday thick components requires one or two surveys with instantaneous bandwidth 300 MHz to 750 MHz offered by next generation telescopes. For spiral galaxies, bandwidths in excess of 1.5 GHz are required. Correction for Galactic Faraday rotation must account for common gradients of order 10 rad m−2 per de

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Calonico, Sebastian, Matias D. Cattaneo, Max H. Farrell, and Rocío Titiunik. "Rdrobust: Software for Regression-discontinuity Designs." Stata Journal: Promoting communications on statistics and Stata 17, no. 2 (2017): 372–404. http://dx.doi.org/10.1177/1536867x1701700208.

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We describe a major upgrade to the Stata (and R) rdrobust package, which provides a wide array of estimation, inference, and falsification methods for the analysis and interpretation of regression-discontinuity designs. The main new features of this upgraded version are as follows: i) covariate-adjusted bandwidth selection, point estimation, and robust bias-corrected inference, ii) cluster–robust bandwidth selection, point estimation, and robust bias-corrected inference, iii) weighted global polynomial fits and pointwise confidence bands in regression-discontinuity plots, and iv) several new b

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González, Javier Poncela. "Design of Receiver Preamplifier with Bandwidth Adjustment Capabilities." Journal of Applied Engineering & Technology (JAET) 3, no. 1 (2019): 1–6. http://dx.doi.org/10.55447/jaet.03.01.13.

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The challenge of communication world today is to create a new environment of wireless links using infrared. This challenge is during new innovation in the design of optical transceivers, because the received optical signal is very weak at the frond-end. This work is to design an infrared optical receiver with bandwidth adjustment capabilities. The measured result show a bandwidth can achieve between 10MHz to 100MHz.

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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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Soursos, Sergios, Costas Courcoubetis, and Richard Weber. "Dynamic Bandwidth Pricing: Provision Cost, Market Size, Effective Bandwidths and Price Games." JUCS - Journal of Universal Computer Science 14, no. (5) (2008): 766–85. https://doi.org/10.3217/jucs-014-05-0766.

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Nowadays, in the markets of broadband access services, traditional contracts are of "static" type. Customers buy the right to use a specific amount of resources for a specific period of time. On the other hand, modern services and applications render the demand for bandwidth highly variable and bursty. New types of contracts emerge ("dynamic contracts") which allow customers to dynamically adjust their bandwidth demand. In such an environment, we study the case of a price competition situation between two providers of static and dynamic contracts. We investigate the resulting reaction curves,

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Massaccesi, Andrea, Gianluca Dassano, and Paola Pirinoli. "Beam Scanning Capabilities of a 3D-Printed Perforated Dielectric Transmitarray." Electronics 8, no. 4 (2019): 379. http://dx.doi.org/10.3390/electronics8040379.

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In this paper, the design of a beam scanning, 3D-printed dielectric Transmitarray (TA) working in Ka-band is discussed. Thanks to the use of an innovative three-layer dielectric unit-cell that exploits tapered sections to enhance the bandwidth, a 50 × 50 elements transmitarray with improved scanning capabilities and wideband behavior has been designed and experimentally validated. The measured radiation performances over a scanning coverage of ±27 ∘ shown a variation of the gain lower than 2.9 dB and a 1-dB bandwidth in any case higher than 23%. The promising results suggest that the proposed

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SANDI, EFRI, WISNU DJATMIKO, and RIZKITA KURNIA PUTRI. "Desain U-slot Ganda untuk Meningkatkan Bandwidth Antena MIMO 5G Millimeter-wave." ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika 8, no. 1 (2020): 150. http://dx.doi.org/10.26760/elkomika.v8i1.150.

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ABSTRAK  Pada penelitian ini dikembangkan rekayasa antena mikrostrip (MSA) dengan penambahan U-slot ganda untuk meningkatkan performansi bandwidth antena mikrostrip. Penelitian sebelumnya berfokus pada penambahan U-slot tunggal dan didesain untuk frekuensi di bawah 15 GHz. Kebutuhan utama antena 5G adalah memiliki bandwidth yang lebar dan kemampuan Multiple Input Multiple Output (MIMO). Untuk itu perlu dikembangkan desain antena MIMO 5G dengan bandwidth yang lebih lebar pada frekuensi millimeter-wave 28 GHz sebagai kandidat utama alokasi frekuensi untuk komunikasi seluler 5G. Pada

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Cattaneo, Matias D., Rocío Titiunik, and Gonzalo Vazquez-Bare. "Power calculations for regression-discontinuity designs." Stata Journal: Promoting communications on statistics and Stata 19, no. 1 (2019): 210–45. http://dx.doi.org/10.1177/1536867x19830919.

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In this article, we introduce two commands, rdpow and rdsampsi, that conduct power calculations and survey sample selection when using local polynomial estimation and inference methods in regression-discontinuity designs. rdpow conducts power calculations using modern robust bias-corrected local polynomial inference procedures and allows for new hypothetical sample sizes and bandwidth selections, among other features. rdsampsi uses power calculations to compute the minimum sample size required to achieve a desired level of power, given estimated or user-supplied bandwidths, biases, and varianc

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Mousavirazi, Zahra, Mohamed Mamdouh M. Ali, Peyman PourMohammadi, Peng Fei, and Tayeb A. Denidni. "High-Performance CP Magneto-Electric Dipole Antenna Fed by Printed Ridge Gap Waveguide at Millimeter-Wave." Sensors 24, no. 24 (2024): 8183. https://doi.org/10.3390/s24248183.

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This paper presents a high-performance circularly polarized (CP) magneto-electric (ME) dipole antenna optimized for wideband millimeter-wave (mm-wave) frequencies, specifically targeting advancements in 5G and 6G technologies. The CP antenna is excited through a transverse slot in a printed ridge gap waveguide (PRGW), which operates in a quasi-transverse electromagnetic (Q-TEM) mode. Fabricated on Rogers RT 3003 substrate, selected for its low-loss and cost-effective properties at high frequencies, the design significantly enhances both impedance and axial ratio (AR) bandwidths. The antenna ac

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Lee, Joon Ho, and Nyeonju Kang. "Effects of online-bandwidth visual feedback on unilateral force control capabilities." PLOS ONE 15, no. 9 (2020): e0238367. http://dx.doi.org/10.1371/journal.pone.0238367.

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Amador, Mariana, André Rouco, Daniel Albuquerque, and Pedro Pinho. "Overview of Vivaldi Antenna Selection for Through-Wall Radar Applications." Sensors 24, no. 20 (2024): 6536. http://dx.doi.org/10.3390/s24206536.

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This paper analyzes broadband antennas, with a special focus on Vivaldi antennas, for their suitability for through-wall radar applications. It assesses various antenna designs, emphasizing high gain, wide impedance bandwidth, and effective wall penetration capabilities. Vivaldi antennas are superior due to their broad bandwidth, high gain, and directional radiation patterns. This study further explores structural optimizations, feeding techniques, and performance enhancement strategies to refine Vivaldi antenna designs for through-wall radar systems. Through a comparative analysis and technic

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Korkmaz, Semih. "Tunable ultra-wideband band-stop filters based on a metal-insulator-metal waveguide with triangle resonators." Afyon Kocatepe University Journal of Sciences and Engineering 24, no. 6 (2024): 1395–402. https://doi.org/10.35414/akufemubid.1446467.

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This study introduces the design and analysis of ultra-wideband band-stop filters based on a metal-insulator-metal (MIM) waveguide with triangle resonators. The optical features of the filters are determined numerically. Transmission values and field distributions have been obtained. To show the tunability of the resonances of the filters, parameter sweep analysis has been done. This feature provides the shifted wideband bandwidths from visible to mid-infrared regimes. The highest bandwidth is 859 nm for band-stop filtering in this work. Higher bandwidths can be achieved by increasing the numb

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Abdullah, M. F. L., and Amirrul Aiman din Abdul Rehman. "CMOS Amplifier Receiver with AGC Bandwidth Circuit." Journal of Applied Engineering & Technology (JAET) 2, no. 1 (2018): 14–21. http://dx.doi.org/10.55447/jaet.02.01.8.

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This research work focuses on the concept of wireless optical communication system. A „CMOS Amplifier Receiver with Gain and Bandwidth Adjustment Capabilities‟ has been designed to detect the gain and bandwidth of the transmitted signal. Configurations of receivers had been designed using LMH6624 as the front-end transimpedance amplifier and the LMH6504 amplifier as the Automatic Gain Control (AGC) circuit. Furthermore, this research work also use LMH6732 amplifier at the output in order to have the capability of controlling the bandwidth. The output frequency response achieved by transimpedan

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Yan, Li, and Chen Yao. "The Research on Design of Authentication and Charging System in Mechanical Devices." Advanced Materials Research 681 (April 2013): 126–29. http://dx.doi.org/10.4028/www.scientific.net/amr.681.126.

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It was presented how to design a management system under FreeBSD. The system can be used in Mechanical devices to authenticate and charge the client through PPPoE based on RADIUS, and built-in batch card generation, management functions, and can the number of user connections and bandwidth control to achieve powerful management capabilities and user self-management capabilities.

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SHARP, R. S., and S. A. HASSAN. "On the Performance Capabilities of Active Automobile Suspension Systems of Limited Bandwidth." Vehicle System Dynamics 16, no. 4 (1987): 213–25. http://dx.doi.org/10.1080/00423118708968879.

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Li, Yan, and Yao Chen. "Research on Design of Authentication and Charging System in Mechanical Devices." Applied Mechanics and Materials 251 (December 2012): 75–78. http://dx.doi.org/10.4028/www.scientific.net/amm.251.75.

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It was presented how to design a management system under FreeBSD. The system can be used in Mechanical devices to authenticate and charge the client through PPPoE based on RADIUS.And the built-in batch card generation, management functions can help in the number of user connections and bandwidth control,thus to achieve powerful management capabilities and user self-management capabilities.

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COHEN, NATHAN. "BODY-SIZED WIDEBAND HIGH FIDELITY INVISIBILITY CLOAK." Fractals 20, no. 03n04 (2012): 227–32. http://dx.doi.org/10.1142/s0218348x1250020x.

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A human-sized microwave invisibility cloak has been realized. The invisibility cloak uses fractal metamaterials with two cloaking layers to achieve a high fidelity re-attainment of the intensity of an unobstructed direct path over a better than 50% bandwidth. A human subject was cloaked demonstrating a new milestone in diverted imaging capabilities: electrically large; high fidelity; and broad bandwidth. Transformational optics must now be considered less limiting in the guidance of practical applications.

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Kiela, Karolis, Marijan Jurgo, Vytautas Macaitis, and Romualdas Navickas. "5G Standalone and 4G Multi-Carrier Network-in-a-Box Using a Software Defined Radio Framework." Sensors 21, no. 16 (2021): 5653. http://dx.doi.org/10.3390/s21165653.

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In this work, an open Radio Access Network (RAN), compatible, scalable and highly flexible Software Defined Radio (SDR)-based Remote Radio Head (RRH) framework is proposed and designed. Such framework can be used to implement flexible wideband radio solutions, which can be deployed in any region, have common radio management features, and support various channel bandwidths. Moreover, it enables easier access for researchers to nonsimulated cellular networks, reduce system development time, provide test and measurement capabilities, and support existing and emerging wireless communication techn

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Mohamed Omar, Mohamad Faiz, Asrulnizam Abd Manaf, Mohd Fadzil Ain, and Sharul Kamal Abdul Rahim. "A Review on Multi-Geometrical Antenna Reflector." ELEKTRIKA- Journal of Electrical Engineering 23, no. 3 (2024): 77–83. https://doi.org/10.11113/elektrika.v23n3.580.

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Parabolic antennas are among the most important devices for long-distance communications because of their significant advantages in terms of directivity, gain, and power handling capabilities. Hat feeds are frequently used as feeders for parabolic antennas because they exhibit low levels of cross-polarisation, low sidelobes, and low reflection coefficients. However, hat feeds possess a limited impedance bandwidth (IBW) range of just 30% and are not suitable for use in wideband applications. More work is being done with the objective of increasing the hat feed’s bandwidth capacity. The fundamen

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R.Kennady, Et al. "Increased Task Execution with a Bandwidth-Aware Hadoop Scheduling Approach." International Journal on Recent and Innovation Trends in Computing and Communication 11, no. 2 (2023): 189–93. http://dx.doi.org/10.17762/ijritcc.v11i2.9830.

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This research presents a novel bandwidth-aware Hadoop scheduling method that addresses the challenge of task scheduling in Hadoop clusters while considering the real-time network conditions. The proposed method involves the establishment of a job time completion model and a mathematical model for a Hadoop scheduling system. Furthermore, it transforms the Hadoop task scheduling problem into an optimization problem to find the task scheduling method that minimizes job completion time. By leveraging Software-Defined Networking (SDN) capabilities, a time slot-based network bandwidth allocation mec

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Wang, Bihui, and Haiyan Zhang. "Research on speed of LADRC PMSM based on improved error." Journal of Physics: Conference Series 3043, no. 1 (2025): 012155. https://doi.org/10.1088/1742-6596/3043/1/012155.

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Abstract In the permanent magnet synchronous motor (PMSM) drive system, the bandwidth of conventional linear active disturbance rejection controllers (C-LADRC) limits their ability to track and compensate for disturbances. To improve the anti-disturbance and dynamic response capabilities without significantly increasing the complexity and bandwidth of the system, this paper proposes an improved LADRC (I-LADRC) that combines feedforward differential compensation and error control principles. In the I-LADRC, a new error quantity is introduced according to the deviation control theory, which enab

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Moustafa, Lina, Raphael Gillard, Federico Peris, Renaud Loison, Herve Legay, and Etienne Girard. "The Phoenix Cell: A New Reflectarray Cell With Large Bandwidth and Rebirth Capabilities." IEEE Antennas and Wireless Propagation Letters 10 (2011): 71–74. http://dx.doi.org/10.1109/lawp.2011.2108633.

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Boeschen, Nils, Tobias Ziegler, and Carsten Binnig. "GOLAP: A GPU-in-Data-Path Architecture for High-Speed OLAP." Proceedings of the ACM on Management of Data 2, no. 6 (2024): 1–26. https://doi.org/10.1145/3698812.

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In this paper, we suggest a novel GPU-in-data-path architecture that leverages a GPU to accelerate the I/O path and thus can achieve almost in-memory bandwidth using SSDs. In this architecture, the main idea is to stream data in heavy-weight compressed blocks from SSDs directly into the GPU and decompress it on-the-fly as part of the table scan to inflate data before processing it by downstream query operators. Furthermore, we employ novel GPU-optimized pruning techniques that help us further inflate the perceived read bandwidth. In our evaluation, we show that the GPU-in-data-path architectur

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Pistea, Ana Maria, and Hamidreza Saligheh Rad. "On the Cross Correlation Properties of MIMO Wideband Channels under Nonisotropic Propagation Conditions." International Journal of Antennas and Propagation 2015 (2015): 1–13. http://dx.doi.org/10.1155/2015/904153.

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Wideband (WB) and ultrawideband (UWB) systems combined with multiple-input multiple-output (MIMO) technology increase both the systems performances and the complexity of the channel models required to evaluate their capabilities. Because in real scenarios waves propagate nonisotropically, the accuracy of the channel model is increased if nonisotropic propagation is considered. The channel bandwidth is the key term in the evaluation process of these systems because large bandwidths introduce frequency selectivity, a unique phenomenon of WB and UWB systems with more complexity in the latter case

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Liu, Hongyu, Hong Ni, and Rui Han. "A Link Status-Based Multipath Scheduling Scheme on Network Nodes." Electronics 13, no. 3 (2024): 608. http://dx.doi.org/10.3390/electronics13030608.

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Traditional internet protocol (IP) networks, adhering to a “best-effort” service model, typically utilize shortest-path routing for data transmission. Nevertheless, this methodology encounters limitations, especially considering the increasing demands for both high reliability and high bandwidth. These demands reveal shortcomings in this routing strategy, notably its inefficient bandwidth utilization and fault recovery capabilities. The method of multipath transmission has been extensively researched as a solution to these challenges. With the emergence of innovative Internet architectures, no

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Albasir, Abdurhman, Valuppillai Mahinthan, Kshirasagar Naik, Abdulhakim Abogharaf, Nishith Goel, and Bernard J. Plourde. "Performance Testing of Mobile Applications on Smartphones." International Journal of Handheld Computing Research 5, no. 4 (2014): 36–47. http://dx.doi.org/10.4018/ijhcr.2014100103.

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Smartphones became the preferred means of communication among users due to the availability of thousands of applications (apps). Although the hardware and software capabilities of smartphones are on the rise, the apps are primarily constrained by the wireless bandwidth and battery life. In this paper, the authors present a test architecture to: (i) evaluate the energy performance of two different designs of the same mobile app service; and (ii) evaluate the bandwidth and energy impacts of advertisements (ads) on smartphones. The authors' measurements on two video players show that, the proper

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HUNG, REGANT Y. S., and H. F. TING. "A NEAR-OPTIMAL BROADCASTING PROTOCOL FOR MOBILE VIDEO-ON-DEMAND." International Journal of Foundations of Computer Science 20, no. 01 (2009): 45–55. http://dx.doi.org/10.1142/s0129054109006449.

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The advance of wireless and mobile technology introduces a new type of Video-on-Demand (VOD) systems, namely the mobile VOD systems, that provide VOD services to mobile clients. It is a challenge to design broadcasting protocols for such systems because of the following special requirements: (1) fixed maximum bandwidth requirement: the maximum bandwidth required for broadcasting a movie should be fixed and independent of the number of requests, (2) load adaptivity: the total bandwidth usage should be dependent on the number of requests; the fewer the requests the smaller the total bandwidth us

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Huang, Chenn-Jung, Kai-Wen Hu, Mei-En Jian, Yi-Hung Lien, and Hao-Wen Cheng. "Supporting Immersive Video Streaming via V2X Communication." Electronics 13, no. 14 (2024): 2796. http://dx.doi.org/10.3390/electronics13142796.

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With the rapid advancement of autonomous driving and network technologies, future vehicles will function as network nodes, facilitating information transmission. Concurrently, in-vehicle entertainment systems will undergo substantial enhancements. Beyond traditional broadcasting and video playback, future systems will integrate immersive applications featuring 360-degree views and six degrees of freedom (6DoF) capabilities. As autonomous driving technology matures, vehicle passengers will be able to engage in a broader range of entertainment activities while on the move. However, this evolutio

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Tang, Renzhi, Guowei Shen, Chun Guo, and Yunhe Cui. "SAD: Website Fingerprinting Defense Based on Adversarial Examples." Security and Communication Networks 2022 (April 7, 2022): 1–12. http://dx.doi.org/10.1155/2022/7330465.

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Website fingerprinting (WF) attacks can infer website names from encrypted network traffic when the victim is browsing the website. Inherent defenses of anonymous communication systems such as The Onion Router(Tor) cannot compete with current WF attacks. The state-of-the-art attack based on deep learning can gain over 98% accuracy in Tor. Most of the defenses have excellent defensive capabilities, but it will bring a relatively high bandwidth overhead, which will seriously affect the user’s network experience. And some defense methods have less impact on the latest website fingerprinting attac

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Zhao, Hua Long. "Design and Verification of a Scalable Enhanced High Performance DMA Architecture for Complex SoC." Applied Mechanics and Materials 556-562 (May 2014): 4303–8. http://dx.doi.org/10.4028/www.scientific.net/amm.556-562.4303.

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As the demand of higher image quality and greater processing capabilities are growing, obtaining higher data bandwidth for on-chip processing is becoming a more and more important issue. DMA (Direct Memory Access) component, as the key element in stream processing SoC (System on Chip) [1], should be deeply researched and designed to satisfy the high data bandwidth requirement of processing units. In this paper, we introduce a scalable high-performance DMA architecture for complex SoC to satisfy rigorous high sustained bandwidth and versatile functionality requirements. Several techniques and s

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Dawood, Dr Ranya M., Dr Raed M. Shaaban, Dr Ra’ed Malallah, and Zeki A. Ahmed. "Development and Implementation of Wideband Elliptical Ring Microstrip Antennas for 5G and X-Band Use." Journal of Wireless Mobile Networks, Ubiquitous Computing, and Dependable Applications 16, no. 1 (2025): 121–33. https://doi.org/10.58346/jowua.2025.i1.007.

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This study introduces an innovative design of a microstrip antenna with an elliptical ring patch, specifically designed for usage in the 5G and X-band frequencies. The antenna consists of four pairs of elliptical rings of different diameters, with each pair consisting of two elliptical rings that are perpendicular to each other. The design was modeled with the help of the Ansoft High Frequency Structure Simulator (HFSS). Analysed metrics included density of electric surface current, return loss, VSWR, bandwidth, and patterns of radiation. The antenna being suggested demonstrates dual band capa

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GUPTA, APARNA, and LINGYI ZHANG. "PRICING FOR END-TO-END ASSURED BANDWIDTH SERVICES." International Journal of Information Technology & Decision Making 07, no. 02 (2008): 361–89. http://dx.doi.org/10.1142/s021962200800296x.

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The Internet today mostly offers a simple best-effort mode of service. The capabilities of the Internet will be significantly enhanced if it supports better QoS modes, especially when QoS is provided for end-to-end services. This enhancement requires both technological development and economic mechanisms to support better QoS service modes. In this article, we study a Multi-ISP Overlay Provider's (MOP's) pricing problem for delivering end-to-end services with expected bandwidth assurance. A categorization based pricing scheme is developed, where end-to-end bandwidth services are classified bas

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Lu, Peng, Meijiao Yu, and Renyong Zhang. "Implementation of Facial Recognition System for Metaverse using sbRIO FPGA and NB-IOT Module." Academic Journal of Science and Technology 6, no. 1 (2023): 14–21. http://dx.doi.org/10.54097/ajst.v6i1.8275.

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Facial recognition is crucial for identity verification in the metaverse, but it requires significant processing and operation overhead. Transmitting high-definition images to a server PC for processing is not feasible in low-capacity, low-bandwidth, or low-processor virtual environments. To overcome these challenges, we developed a narrow-bandwidth framework integrating embedded FPGA technology with a low-power NB-IOTcommunication module. Our approach uses a DNN-based DeepFace model with front face detection and 7-layer DNN convolution result extraction performed on the Zynq FPGA chip of sbRI

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Ma, Binyi, Jing Li, Yu Chen, et al. "A 60 GHz Slotted Array Horn Antenna for Radar Sensing Applications in Future Global Industrial Scenarios." Micromachines 15, no. 6 (2024): 728. http://dx.doi.org/10.3390/mi15060728.

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This paper presents the design of a 60 GHz millimeter-wave (MMW) slot array horn antenna based on the substrate-integrated waveguide (SIW) structure. The novelty of this device resides in the achievement of a broad impedance bandwidth and high gain performance by meticulously engineering the radiation band structure and slot array. The antenna demonstrates an impressive impedance bandwidth of 14.96 GHz (24.93%), accompanied by a remarkable maximum reflection coefficient of −39.47 dB. Furthermore, the antenna boasts a gain of 10.01 dBi, showcasing its outstanding performance as a high-frequency

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Fraccari, Raquel L., Marco Carminati, Giacomo Piantanida, Tina Leontidou, Giorgio Ferrari, and Tim Albrecht. "High-bandwidth detection of short DNA in nanopipettes." Faraday Discussions 193 (2016): 459–70. http://dx.doi.org/10.1039/c6fd00109b.

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Glass or quartz nanopipettes have found increasing use as tools for studying the biophysical properties of DNA and proteins, and as sensor devices. The ease of fabrication, favourable wetting properties and low capacitance are some of the inherent advantages, for example compared to more conventional, silicon-based nanopore chips. Recently, we have demonstrated high-bandwidth detection of double-stranded (ds) DNA with microsecond time resolution in nanopipettes, using custom-designed electronics. The electronics design has now been refined to include more sophisticated control features, such a

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Luo, Gang, Yuanchao Geng, Deen Wang, Qiang Yuan, Dongxia Hu, and Wanguo Zheng. "Integrated Wavefront Sensing and Processing Method Utilizing Optical Neural Network." Photonics 11, no. 4 (2024): 351. http://dx.doi.org/10.3390/photonics11040351.

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Wavefront sensors and processors are vital components of adaptive optical (AO) systems, directly impacting the operating bandwidth. As application scenarios become increasingly complex, AO systems are confronted with more extreme atmospheric turbulence. Additionally, as optical systems scale up, the data processing demands of AO systems increase exponentially. These challenges necessitate advancements in wavefront sensing and processing capabilities. To address this, this paper proposes an integrated wavefront sensing and processing method based on the optical neural network architecture, capa

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Andreev, Sergej, Roman Tregubov, and Alexander Mironov. "Pronlem of Selecting Communication Channels Bandwidth of Transport Network Taking into Account imbalance of Various Priority Traffic." SPIIRAS Proceedings 19, no. 2 (2020): 412–45. http://dx.doi.org/10.15622/sp.2020.19.2.7.

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The paper proposes a solution to the problem of selecting the bandwidth capabilities of digital communication channels of a transport communication network taking into account the imbalance of data traffic by priorities. The algorithm for selecting bandwidth guarantees the minimum costs associated with renting digital communication channels with optimal bandwidth, provided that the requirements for quality of service of protocol data blocks of the first, second, and k-th priority in an unbalanced in terms of priorities transport communication network are met. At the first stage of solving the

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Khan, S. D., M. I. Abbasi, I. M. Ibrahim, et al. "BANDWIDTH AND GAIN PERFORMANCE OF REFLECTARRAY ANTENNAS FOR 5G COMMUNICATIONS: A REVIEW." ASEAN Engineering Journal 15, no. 1 (2025): 93–102. https://doi.org/10.11113/aej.v15.22408.

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The increasing necessity for quicker data rates in various applications is resulting in the development of future 5G/6G communication systems that possess a wider operating bandwidth. This requires the construction of appropriate antennas to meet specific parameters. Reflectarrays are being considered for 5G/6G systems because of its benefits such as because of its high gain, beam shaping, beam scanning, reconfigurability, and multi-beam capabilities. Reflectarrays are effective, although their narrowband nature has limited their use. This work comprehensively investigates the present conditio

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di Toma, Annarita, Giuseppe Brunetti, Nabarun Saha, and Caterina Ciminelli. "Fully Reconfigurable Photonic Filter for Flexible Payloads." Applied Sciences 14, no. 2 (2024): 488. http://dx.doi.org/10.3390/app14020488.

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Reconfigurable photonic filters represent cutting-edge technology that enhances the capabilities of space payloads. These advanced devices harness the unique properties of light to deliver superior performance in signal processing, filtering, and frequency selection. They offer broad filtering capabilities, allowing for the selection of specific frequency ranges while significantly reducing Size, Weight, and Power (SWaP). In scenarios where satellite communication channels are crowded with various signals sharing the same bandwidth, reconfigurable photonic filters enable efficient spectrum man

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Diaz, Christian, Helmuth Trefftz, Lucia Quintero, Diego A. Acosta, and Sakti Srivastava. "Collaborative Networked Virtual Surgical Simulators (CNVSS) Implementing Hybrid Client–Server Architecture: Factors Affecting Collaborative Performance." Presence: Teleoperators and Virtual Environments 23, no. 4 (2014): 393–409. http://dx.doi.org/10.1162/pres_a_00208.

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Currently, surgical skills teaching in medical schools and hospitals is changing, requiring the development of new tools to focus on (i) the importance of the mentor’s role, (ii) teamwork skills training, and (iii) remote training support. Collaborative Networked Virtual Surgical Simulators (CNVSS) allow collaborative training of surgical procedures where remotely located users with different surgical roles can take part in the training session. To provide successful training involving good collaborative performance, CNVSS should guarantee synchronicity in time of the surgical scene viewed by

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Lowdermilk, W. H. "Athena — an advanced Nd: glass laser driver for ICF." Laser and Particle Beams 9, no. 2 (1991): 297–307. http://dx.doi.org/10.1017/s0263034600003359.

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The design for an advanced, flash-lamp-pumped Nd: glass laser for inertial confinement fusion (ICF) research and applications is summarized. The laser consists of multiple beam lines, each of which delivers 145-kJ, O.35-μm, 8-ns laser pulses, with pulse shape and bandwidth capabilities consistent with requirements for driving ICF capsules to high gain.

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CUCCHIARA, RITA, COSTANTINO GRANA, and ANDREA PRATI. "SEMANTIC VIDEO TRANSCODING USING CLASSES OF RELEVANCE." International Journal of Image and Graphics 03, no. 01 (2003): 145–69. http://dx.doi.org/10.1142/s0219467803000956.

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In this work we present a framework for on-the-fly video transcoding that exploits computer vision-based techniques to adapt the Web access to the user requirements. The proposed transcoding approach aims at coping with both user bandwidth and resources capabilities, and with user interests in the video's content. We propose an object-based semantic transcoding that, according to the user-defined classes of relevance, applies different transcoding techniques to the objects segmented in a scene. Object extraction is provided by on-the-fly video processing, without manual annotation. Multiple tr

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Fatome, Julien, Miro Erkintalo, and Stéphane Coen. "Time-division multiplexing of Mbit/s data-packets within Gbit/s data sequences through nonlinear temporal focusing." EPJ Web of Conferences 287 (2023): 06030. http://dx.doi.org/10.1051/epjconf/202328706030.

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In this work, we report on an all-optical, real-time, nonlinear temporal compression technique based on a counter-propagating degenerate four-wave mixing interaction in birefringent optical fibres. As a proof-of-concept, we demonstrate the extreme temporal focusing and interleaving of a 10-Mbit/s data packet into a 10-Gbit/s data sequence, with record temporal compression factors ranging from 3 to 4 orders of magnitude and including non-trivial on-demand time-reversal capabilities. Our approach is scalable to different photonic platforms and offers great promise for ultrafast arbitrary optical

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D., Abijuru, R. Hamid M., Seman N., and Himdi M. "A coplanar waveguide tapered slot antenna with beam switching capabilities." Indonesian Journal of Electrical Engineering and Computer Science 20, no. 1 (2020): 275–80. https://doi.org/10.11591/ijeecs.v20.i1.pp275-280.

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A wideband tapered slot antenna (TSA) with three radiating elements for beam switching purpose is presented in this paper. The integrated radiating taper slots in assistance with metal strips acting as switches provided the proposed design with the capability of switching its beam into three different directions while maintaining the antenna performance stable. To verify the accuracy of the presented design, the prototype was fabricated and measurements were conducted in terms of scattering parameter (S11), radiation pattern and realized gain towards the three different operating modes. By seq

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Karami, Farzad, Halim Boutayeb, Ali Amn-e-Elahi, Alireza Ghayekhloo, and Larbi Talbi. "Developing Broadband Microstrip Patch Antennas Fed by SIW Feeding Network for Spatially Low Cross-Polarization Situation." Sensors 22, no. 9 (2022): 3268. http://dx.doi.org/10.3390/s22093268.

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A stacked multi-layer substrate integrated waveguide (SIW) microstrip patch antenna with broadband operating bandwidth and low cross-polarization radiation is provided. A complete study on the propagating element bandwidth and cross polarization level is presented to demonstrate the importance of the design. The proposed antenna includes three stacked printed circuit board (PCB) layers, including one layer for the radiating 2 × 2 rectangular patch elements and two SIW PCB layers for the feeding network. There are two common methods for excitation in cavity-backed patch antennas: probe feeding

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Karami, Farzad, Halim Boutayeb, Ali Amn-e-Elahi, Alireza Ghayekhloo, and Larbi Talbi. "Developing Broadband Microstrip Patch Antennas Fed by SIW Feeding Network for Spatially Low Cross-Polarization Situation." Sensors 22, no. 9 (2022): 3268. http://dx.doi.org/10.3390/s22093268.

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A stacked multi-layer substrate integrated waveguide (SIW) microstrip patch antenna with broadband operating bandwidth and low cross-polarization radiation is provided. A complete study on the propagating element bandwidth and cross polarization level is presented to demonstrate the importance of the design. The proposed antenna includes three stacked printed circuit board (PCB) layers, including one layer for the radiating 2 × 2 rectangular patch elements and two SIW PCB layers for the feeding network. There are two common methods for excitation in cavity-backed patch antennas: probe feeding

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Zhang, Honglin, Zhenzhan Fu, Binjie Hu, Zhijian Chen, Shaowei Liao, and Bing Li. "Wideband Omnidirectional Antenna Featuring Small Azimuthal Gain Variation." Micromachines 14, no. 12 (2023): 2218. http://dx.doi.org/10.3390/mi14122218.

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Wideband omnidirectional antennas are essential components in radio monitoring and communication systems, enabling the reception of signals from all directions over a wide bandwidth. This paper presents a novel wideband omnidirectional antenna design that achieves a 1-dB gain variation across its azimuthal plane within a bandwidth of 1.8 GHz to 7.77 GHz. The antenna’s exceptional performance is attributed to two flower-bud-shaped monopoles that, through pattern superposition, generate a wideband omnidirectional radiation pattern. Analysis shows that the use of a circular ground plane also redu

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Corsinovi, Nico, Matteo Bertolucci, Simone Vagaggini, and Luca Fanucci. "FPGA Design, Implementation, and Breadboard Development of an Innovative SCCC Telemetry + Pseudo-Noise Ranging Satellite System." Electronics 14, no. 9 (2025): 1786. https://doi.org/10.3390/electronics14091786.

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In recent years, missions requiring payload telemetry data transmission to ground stations have increasingly demanded a higher bandwidth. Traditional ranging techniques for spacecraft position determination often use a dedicated spectrum, reducing the available bandwidth for telemetry. To overcome this limitation, a transmission system capable of simultaneously sending high data-rate telemetry and ranging signals within the same bandwidth represents a key advancement for modern space missions, particularly Lagrangian science missions and planetary probes. To enhance the technological readiness

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Witriani, Findi Nur, Yahya Syukri Amrullah, Fajri Darwis, et al. "Gain Enhancement of Double-Slot Vivaldi Antenna using Corrugated Edges and Semicircle Director for Microwave Imaging Application." Jurnal Elektronika dan Telekomunikasi 21, no. 2 (2021): 85. http://dx.doi.org/10.14203/jet.v21.85-90.

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Microwave imaging, such as images for radiological inspection in the medical profession, is one of the applications utilized in ultra-wideband (UWB) frequency ranges. The Vivaldi antenna is one of the most popular antennas for this purpose. The antenna is utilized because of its simple, lightweight, and compact design, as well as its excellent efficiency and gain capabilities. In this work, we present a high-gain Vivaldi antenna for microwave imaging applications. The proposed Vivaldi antenna is designed using a double-slot structure method with the addition of corrugated edges and a semicircl

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Blefari-Melazzi, N., and G. Reali. "Improving the efficiency of circuit-switched satellite networks by means of dynamic bandwidth allocation capabilities." IEEE Journal on Selected Areas in Communications 18, no. 11 (2000): 2373–84. http://dx.doi.org/10.1109/49.895042.

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