Results 11 to 20 of about 12,388 (315)
Cyclostationary-Based Vital Signs Detection Using Microwave Radar at 2.5 GHz
Sensors, 2020 Non-contact detection and estimation of vital signs such as respiratory and cardiac frequencies is a powerful tool for surveillance applications. In particular, the continuous wave bio-radar has been widely investigated to determine the physiological ...
Fatima Sekak +5 more
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Graphene‐Based Microwave Circuits: A Review [PDF]
Advanced Materials, 2022 AbstractOver the past two decades, research on 2D materials has received much interest. Graphene is the most promising candidate regarding high‐frequency applications thus far due to is high carrier mobility. Here, the research about the employment of graphene in micro‐ and millimeter‐wave circuits is reviewed.
Saeed, Mohamed +11 more
openaire +3 more sources
3D Absorptive Frequency-Selective Reflection and Transmission Structures With Dual Absorption Bands
IEEE Access, 2018 This paper presents a 3D absorptive frequency-selective reflection structure (AFSR) and absorptive frequency-selective transmission structure (AFST) with one reflection/transmission band and two absorption bands.
Yufeng Yu +6 more
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Simulation and Automated Modeling of Microwave Circuits: State-of-the-Art and Emerging Trends
IEEE Journal of Microwaves, 2021 Microwave modeling and simulation are essential to designing microwave circuits and systems. Although fundamental concepts and approaches for modeling and simulation are mature, the drive to higher frequencies, tighter design margins, and more ...
Qi-Jun Zhang +4 more
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IEEE Access, 2019 In this paper, the integration design of a millimeter-wave filtering patch antenna array fed by a substrate integrated waveguide (SIW) four-way anti-phase filtering power divider is proposed.
Huayan Jin +4 more
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Sensors, 2022 This paper presents a novel substrateless packaging solution for the D-band active e mixer MMIC module, using a waveguide line with a glide-symmetric periodic electromagnetic bandgap (EBG) hole configuration.
Weihua Yu +3 more
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Compact Dual-Broadband Dual-Polarized Antenna With Additional Ground Platform
IEEE Access, 2019 A compact dual-polarized antenna element covering the frequency bands of 0.773~1.0405 GHz and 1.69~2.83 GHz is proposed in this paper. The nested scheme is adopted and the performances of the lower- and upper-band element are analyzed, respectively.
Xi Wang Dai +4 more
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Multi-layer transmission line of spoof surface plasmon polaritons
EPJ Applied Metamaterials, 2022 In modern microwave technology, multi-layer structure is widely adopted in compact circuit design. In a multi-layer microwave system, the transmission line (TL) plays an important role.
Lu Yuxi, Tang Wenxuan, Cui Tie Jun
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Vertically‐integrated differential filtering patch antenna excited by a balun bandpass filter
IET Microwaves, Antennas & Propagation, 2019 This study develops a differential‐fed filtering patch antenna, which features superior frequency selectivity, compact size, low cross‐polarisation, and symmetrical radiation patterns. The proposed antenna consists of a rectangular patch on the top layer,
Huayan Jin +5 more
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3D Printed Alumina for Low-Loss Millimeter Wave Components
IEEE Access, 2019 This paper compares the performance of three different materials and processing techniques suitable for low-loss mm-Wave components. The comparison is made by fabricating the same 2D photonic crystal structure in the W-band. Rogers RT/duroid® 6010.
Alejandro Jimenez-Saez +7 more
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