Results 1 to 10 of about 5,496,642 (229)
IEEE Open Journal of Antennas and Propagation, 2020 A new approach to controlling cross-polarization (XP), for either suppressing XP or exciting circular polarization (CP), in single-fed microstrip antennas using novel grid defected ground structures (GDGSs) is proposed.
Yujie Zhang +4 more
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Harmonic Suppressed Slot Antennas Using Rectangular/Circular Defected Ground Structures [PDF]
International Journal of Antennas and Propagation, 2012 Two wide rectangle-shaped microstrip-fed 2.6-GHz slot antennas using defected ground structures (DGSs) with a low design complexity are proposed to achieve wideband harmonic suppression.
Mohammad Saeid Ghaffarian +2 more
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TCM Analysis of Defected Ground Structures for MIMO Antenna Designs in Mobile Terminals
IEEE Access, 2017 In this paper, the theory of characteristic modes (TCMs) is used for the first time to analyze the behavior of defected ground structures (DGS), when added to antenna designs.
Asim Ghalib, Mohammad S. Sharawi
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A Compact Second-order Chebyshev Bandpass Filter Using U-shaped Resonator and Defected Ground Structure [PDF]
Radioengineering, 2020 A compact bandpass filter using U-shaped resonators and Defected Ground Structures is proposed and designed at 5.8 GHz. The U-shaped resonators are placed around an indirectly coupled feed line while the Defected Ground Structures are positioned beneath
N. O. Ali +4 more
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A Low Mutual Coupling Circle Microstrip Array Antenna for 5.8 GHz Band [PDF]
Hangkong bingqi, 2022 In order to effectively suppress the influence of mutual coupling between array elements on antenna radiation performance, a novel dual-circle microstrip patch array antenna with low mutual coupling and low correlation is proposed.
Si Qingqing, Zeng Qingsheng, Shi Yuan, Zhang Yandong
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Compact Near Field Wireless Energy Transfer Systems Using Defected Ground Structures
IEEE Journal of Microwaves, 2023 Near-Field Wireless Power Transfer systems have attracted attention for their potential applications, such as implanted medical devices, radio frequency identification, and portable electronic devices in general.
Filipe Ferreira +4 more
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Combined DMS and DGS Techniques for Compact and Low Cutoff Frequency LPF Design [PDF]
Journal of Engineering Research - Egypt, 2018 high performance and compact size low pass filters with narrow stopband and sharp cutoff characteristics are highly required in numerous wireless communication systems for noise and interference suppression.
Sara Meeper, Amr Hussein, Mahmoud Attia
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Bibechana, 2023 This study examined the effect of Tc & Nb impurity atoms on MoS2 (Tc-MoS2 & Nb-MoS2 ), and adsorption of water molecule on impurities defected MoS2 (Tc-W-MoS2 & Nb-W-MoS2) material from first-principles calculations.
Hari Neupane +3 more
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International Journal of Antennas and Propagation, 2020 Suppressing higher-order modes up to sixth harmonics of the fundamental working frequency in a single-layer microstrip line-fed patch antenna has been successfully demonstrated. Higher-order modes of the antenna are suppressed by simultaneously employing
Jun Fan +4 more
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Micromachines, 2023 This paper proposed a right-handed circularly polarized (RHCP) micro-strip antenna for multi-navigation system applications. The size of the antenna is 70 mm × 70 mm × 2 mm, which is fabricated on an FR4 substrate. A meandering technique on a patch layer
Zhenyang Ma, Xinyi Huang
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