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Yasir I. A. Al-Yasir, Hana?a A. Alhamadani, Ahmed S. Kadhim, Naser Ojaroudi Parchin, Ameer L. Saleh, Issa T. E. Elfergani, Jonathan Rodriguez and Raed A. Abd-Alhameed
This paper presents a new compact microstrip filtering antenna with modified shaped slots to improve the impedance bandwidth. The proposed microstrip filtering antenna consists of three parts: the monopole radiating patch antenna; the Stepped Impedance R...
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Jingrong Yu, Limin Deng, Dongran Song and Maolin Pei
This paper proposes a virtual impedance-based bandwidth control method for multi-parallel harmonic-compensation grid-connected inverters (HCGIs). Firstly, the influence of the resonance points caused by the interaction of multiple HCGIs on the control ba...
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Jingrong Yu, Limin Deng, Dongran Song and Maolin Pei
This paper proposes a virtual impedance-based bandwidth control method for multi-parallel harmonic-compensation grid-connected inverters (HCGIs). Firstly, the influence of the resonance points caused by the interaction of multiple HCGIs on the control ba...
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Simon Hjorth Jessing Lund, Peter Billeschou and Leon Bonde Larsen
Dynamic compliant robotics is a fast growing field because of its ability to widen the scope of robotics. The reason for this is that compliant mechanisms may ensure safe/compliant interactions between a robot and an external element?for instance, a huma...
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Zubin Chen, Baijun Lu, Yanzhou Zhu and Hao Lv
In this paper, a printed monopole antenna design for WiMAX/WLAN applications in cable-free self-positioning seismograph nodes is proposed. Great improvements were achieved in miniaturizing the antenna and in widening the narrow bandwidth of the high-freq...
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Zubin Chen, Baijun Lu, Yanzhou Zhu and Hao Lv
In this paper, a printed monopole antenna design for WiMAX/WLAN applications in cable-free self-positioning seismograph nodes is proposed. Great improvements were achieved in miniaturizing the antenna and in widening the narrow bandwidth of the high-freq...
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Roni Luhtala, Henrik Alenius and Tomi Roinila
Rapidly increasing demand for renewable energy has created a need for the photovoltaic and wind farms to be placed in various locations that have diverse and possibly time-variant grid conditions. A mismatch between the grid impedance and output admittan...
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Bismah Hasan, Kamran Raza
Pág. 227 - 238
Slotted circular printed layered patch antenna is designed, simulated and fabricated for 5G (Fifth Generation) wireless communication applications. The antenna consists of slots in the main radiating circular patch element for miniaturizing the size of t...
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Michele Bonnin, Fabio L. Traversa and Fabrizio Bonani
Circuit theory and nonlinear dynamics are instrumental to design efficient energy harvesters for ambient mechanical vibrations. In this work, we show that an impedance matching networks can be designed that maximizes the harvested power, and improves the...
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Raj Kumar, Yedukondalu Kamatham, Samineni Peddakrishna, Ajitha Gaddam
Pág. 66 - 76
A compact triple T-shaped stub with meander loaded strip antenna for penta band applications is proposed. The rectangular patch antenna with meandered and open-ended slot cuts is utilized to realize four operating bands at 2.45 GHz, 3.1 GHz, 5.3 GHz, and...
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Javed Iqbal, Usman Illahi, Muhammad Abbas Khan, Abdul Rauf, Esraa Mousa Ali, Inam Bari, Haider Ali, Muhammad Amir Khan, Mohammad Alibakhshikenari and Mariana Dalarsson
In this research article, a single-fed dual-band circular polarized (CP) dielectric resonator antenna (DRA) for dual-function communication, such as GPS and WLAN, was made. Initially, the proposed design process was initiated by designing a linearly pola...
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Kwok Kan So, Kwai Man Luk, Chi Hou Chan and Ka Fai Chan
By employing the complementary dipole antenna concept to the normal waveguide fed slot radiator, an improved antenna element with wide impedance bandwidth and symmetrical radiation patterns is developed. This is achieved by mounting two additional metall...
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Abhishek Gautam, Alper Celik and Mahdi Azarpeyvand
This study investigates the acoustic performance of a system of two Helmholtz resonators experimentally and numerically. The distance between the Helmholtz resonators was varied to assess its effect on the acoustic performance of the system quantitativel...
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Peberlin Parulian Sitompul, Josaphat Tetuko Sri Sumantyo, Farohaji Kurniawan and Mohammad Nasucha
Radio beacons enable measurements of ionospheric radio scintillations and total electron content (TEC). These beacons transmit unmodulated, phase-coherent waves in S-band frequencies. Many satellite applications require circularly polarized (CP) wideband...
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Franklin Drummond and Gregory Huff
An Unmanned Aerial System (UAS) has been developed which is based on an aerodynamically functionalized planar wideband antenna. The antenna utilizes a planar circular dipole metallization scheme. The aerodynamic structure implements a planform similar to...
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Ming-An Chung, Chia-Chun Hsu, Siao-Rong Huang and Pin-Rui Huang
This paper presents a small-size broadband slot monopole chip antenna for millimeter wave application. Using a 0.18 µm CMOS process, through metal_1, the artificial magnetic conductor (AMC) of the metal layer increased the impedance bandwidth of the chip...
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Tarek S. Abdou, Rola Saad and Salam K. Khamas
This paper presents a novel 28 GHz circularly polarized rectangular dielectric-resonator antenna (DRA) array for millimeter-wave (mmWave) off-body applications. A feed network incorporating cross slots was utilized in the rectangular DRA design to realiz...
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Van-Thang Nguyen and Jae-Young Chung
This paper presents the design of an H-band planar antenna array with broad bandwidth and narrow beam width for an IR-UWB radar application. The basic single wideband microstrip antenna is achieved by adding slots and the inset-fed technique. Then, we pr...
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Ubaid Ur Rahman Qureshi, Muhammad Ismail Khan and Bin Hu
In this study, an ultra-wideband actively tunable terahertz absorber composed of four identical arc-shaped structures made of phase transition material vanadium dioxide (VO2) is presented. A metal ground plane is placed at the bottom and an insulating sp...
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Byungwook Kim and Sanggeun Jeon
This paper presents a CMOS wideband amplifier operating in the full Ka-band, with a low gain variation. An inductive neutralization is applied to the amplifier to compensate for the gain roll-off in the high-frequency region. Neutralization inductance is...
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