Showing 601 - 620 results of 849 for search '"microwave"', query time: 0.04s Refine Results
  1. 601

    Design of UWB Monopole Antenna with Dual Notched Bands Using One Modified Electromagnetic-Bandgap Structure by Hao Liu, Ziqiang Xu

    Published 2013-01-01
    “…The results show that the proposed antenna can satisfy the requirements of VSWR < 2 over UWB 3.1–10.6 GHz, except for the rejected bands of the world interoperability for microwave access (WiMAX) and the wireless local area network (WLAN) at 3.5 GHz and 5.5 GHz, respectively.…”
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  2. 602

    W-Band GaAs pHEMT Power Amplifier MMIC Stabilized Using Network Determinant Function by Seong-Hee Han, Dong-Wook Kim

    Published 2025-01-01
    “…This paper presents a W-band power amplifier monolithic microwave integrated circuit (MMIC) that is designed for high-precision millimeter-wave systems and fabricated using a 0.1 µm GaAs pHEMT process. …”
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  3. 603

    A novel method for the determination of trace sulfonylurea herbicides by introducing a hybrid stationary phase to common capillary by Jing-Hua Yang, Xiao-Mao Zhou, Yu-Ping Zhang, Jun Chen, Hai-Weng Ma

    Published 2017-05-01
    “…In this paper, a novel polymerized fiber doped with metal–organic frameworks (UIO-66(Zr)-NH 2 ) was developed in a capillary by microwave irradiation. The fiber was successfully prepared using 4-vinyl pyridine as the monomer and ethylene glycol dimethacrylate as the cross-linker to reinforce its durability. …”
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    Article
  4. 604

    A Monolayer Frequency-Selective Surface for Wideband Shielding Application with Adequate Out-of-Band Separation and Angular Stability by Ayan Chatterjee, Pratik Dey, Kousik Roy, Susanta Kumar Parui

    Published 2024-01-01
    “…A wide range of potential uses for the proposed design exists, including microwave shielding, wideband filtering, as well as radar cross-section (RCS) reduction, among others. …”
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    Article
  5. 605

    Exploring primordial black holes and gravitational waves with R-symmetric GUT Higgs inflation by Nadir Ijaz, Mansoor Ur Rehman

    Published 2025-02-01
    “…Additionally, the predicted range of the tensor-to-scalar ratio, a key measure of primordial gravitational waves, lies within the observational window of future experiments searching for B-mode polarization patterns in cosmic microwave background data.…”
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  6. 606

    Flexible Microstrip Antenna for Skin Contact Application by Sudhir Shrestha, Mangilal Agarwal, Parvin Ghane, Kody Varahramyan

    Published 2012-01-01
    “…A specific application of the antenna in microwave breast imaging is considered. Analytical results using simulation models and experimental results using skin phantoms are presented and discussed.…”
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    Article
  7. 607

    A High Selectivity, Miniaturized, Low Profile Dual-Band Bandpass FSS with a Controllable Transmission Zero by Wenxing Li, Yuanyuan Li

    Published 2017-01-01
    “…The equivalent circuit model of the FSS and its operating principle are presented and analyzed based on the microwave filter theory. The prototype of this FSS is simulated, fabricated, and measured, and its theoretical analysis, simulation, and measurement results show a good agreement. …”
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    Article
  8. 608

    Investigation on Harmonic Tuning for Active Ku-Band Rectangular Dielectric Resonator Antennas by Anda Guraliuc, Giuliano Manara, Paolo Nepa, Giuseppe Pelosi, Stefano Selleri

    Published 2008-01-01
    “…Simulation results show that the DRA shape factor can be used to provide a fine tuning of the DRA input impedance both at the fundamental frequency and its first harmonics, so synthesizing the proper load for the optimization of the microwave amplifier power-added efficiency (PAE).…”
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  9. 609

    Compact Two-Section Half-Wave Balun Based on Planar Artificial Transmission Lines by Changjun Liu, Zhenyu Yin, Yilan Yang, Wen Huang

    Published 2015-01-01
    “…The balun features excellent amplitude and phase balance in microwave power combining and a reasonable bandwidth of the return loss as well.…”
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    Article
  10. 610

    Design of a Narrow Bandwidth Bandpass Filter Using Compact Spiral Resonator with Chirality by Weiping Li, Zongxi Tang, Xin Cao

    Published 2016-01-01
    “…By comparing to other filters in the references, it is shown that the proposed filter has the advantage of skirt selectivity and compact size, so it can be integrated more conveniently in modern wireless communication systems and microwave planar circuits.…”
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    Article
  11. 611

    Assessment of Heavy and Toxic Metals in the Blood and Hair of Saudi Arabia Smokers Using Modern Analytical Techniques by Majed Alrobaian, Hassan Arida

    Published 2019-01-01
    “…Prior to the analysis, the blood and hair samples of Saudi Arabia smokers were collected, treated, and digested by microwave digestion system. The number of cigarettes per day as well as the smoking period was taken in consideration in this study. …”
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  12. 612

    Radiation Characteristics of 3D Resonant Cavity Antenna with Grid-Oscillator Integrated Inside by L. A. Haralambiev, H. D. Hristov

    Published 2014-01-01
    “…It is found that the use of 3D antenna resonant cavity in case of small or medium gain microwave active cavity antenna leads to effective and stable power combining and radiation. …”
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  13. 613

    Video Classification and Adaptive QoP/QoS Control for Multiresolution Video Applications on IPTV by Huang Shyh-Fang

    Published 2012-01-01
    “…Worldwide Interoperability for Microwave Access (WIMAX) is a good candidate for delivering video signals because through WIMAX the delivery quality based on the quality-of-service (QoS) setting can be guaranteed. …”
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  14. 614

    X-Parameter Measurement of Pulse-Compression Nonlinear Transmission Lines by Ming Li, Rony E. Amaya, Robert G. Harrison, N. Garry Tarr

    Published 2010-01-01
    “…X-parameters provide a powerful and eminently practical solution for interoperable measurement, modeling, and simulation of nonlinear microwave and RF components. Using X-parameters to do large-signal measurements has been brought into the spotlight. …”
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  15. 615
  16. 616

    Biological Reduction of Perchlorate from Spent Modified Reed Mediated by an Enriched Microbial Culture by Salem Baidas, Khaled Al-Deyain, Xiaoguang Meng, Baoyu Gao

    Published 2023-01-01
    “…The secondary aim of this research was the development and testing of a microwave-assisted extraction (MAE)-facilitated accurate perchlorate quantitation method. …”
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    Article
  17. 617

    Synthesis and Antidepressant Activity of Some New 5-(1H-Indol-3-yl)-3-(substituted aryl)-4,5-dihydroisoxazoline Derivatives by Pravin O. Patil, Sanjay B. Bari

    Published 2013-01-01
    “…In an attempt to identify potential lead antidepressant agents, a number of indole molecules, incorporating isoxazoline, were synthesized by microwave-assisted synthesis. The antidepressant activity of the synthesized compounds (3a–3n) was evaluated by forced swim test in mice and their locomotor activity was assessed using actophotometry. …”
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    Article
  18. 618

    The Comparison of Performance between Contrast Source Inversion and Its Related Algorithms and Several Improved Methods by Meng Wang, Guizhen Lu

    Published 2021-01-01
    “…The contrast source inversion (CSI) is an effective method for solving microwave imaging problems which is widely utilized. …”
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    Article
  19. 619

    Biomass derived carbon/platinum nanoparticles as electrocatalyst for the hydrogen evolution by Shimaa M. Ali

    Published 2025-02-01
    “…Platinum nanoparticles (Pt NPs) is successively prepared by the microwave-assistant citrate method on a biomass-based support, and characterized by X-rays diffraction, scanning and transmission electron microscopy. …”
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  20. 620