Gotowe bibliografie tematyczne / DUAL FREQUENCY ANGULAR RING MICROSTRIP ANTENNA

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Gotowa bibliografia na temat „DUAL FREQUENCY ANGULAR RING MICROSTRIP ANTENNA”

Autor: Grafiati

Data publikacji: 11 września 2023

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Artykuły w czasopismach na temat "DUAL FREQUENCY ANGULAR RING MICROSTRIP ANTENNA"

Muhamad Nadzir, Norsaidah, Mohamad Kamal A. Rahim, Noor Asniza Murad, Mohamed Himdi i Osman Ayop. "Circular Complementary Split Ring Resonator Rotation for Linear Array Millimeter Wave Microstrip Patch Antenna". ELEKTRIKA- Journal of Electrical Engineering 20, nr 3 (27.12.2021): 43–47. http://dx.doi.org/10.11113/elektrika.v20n3.343.

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This paper proposes multiple linear array millimeter wave MPAs that could operate at various frequencies depending on the angular rotation of the CSRR structure. The main contribution of this work is the range of frequencies of the linear array MPA found when the position of the CSRR structure is changed angularly. This is achieved by positioning the CSRR structure on the ground plane of the MPA and rotate it to an incremental of 22.5°. Computer Simulation Technology software is used to simulate the antenna designs. The performance of the antenna is evaluated against the single element millimeter wave MPA with similar angular rotation to the CSRR structure. The reflection coefficient graph shows at 0° rotation, the antenna has dual band performance at 26 GHz and 28 GHz. At 22.5° and 45° CSRR structure rotation, the antenna shows triple band performance with different operational frequencies and different polarization depending on the frequencies. Finally, at 67.5° CSRR structure rotation, the antenna now is operational only at 20 GHz frequency with horizontal polarization performance. Plus, the results between the single element MPA with circular CSSRR and the linear array MPA with circular CSRR shows similar behavior in which the rotation of the CSRR did not affect the antenna differently even with an increase of the number of elements. The millimeter wave MPA with CSRR angular rotation can be utilized in various applications as it covers multiple frequencies depending on the angle of rotation of the CSRR structure.

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Dahele, J., K. Lee i D. Wong. "Dual-frequency stacked annular-ring microstrip antenna". IEEE Transactions on Antennas and Propagation 35, nr 11 (listopad 1987): 1281–85. http://dx.doi.org/10.1109/tap.1987.1143997.

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Cheng, Yong, i Hui Liu. "A Novel Concentric Annular-Ring Slot Dual-Band Circularly Polarized Microstrip Antenna". International Journal of Antennas and Propagation 2018 (13.12.2018): 1–8. http://dx.doi.org/10.1155/2018/7560567.

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A simple structure concentric annular-ring slot dual-band circularly polarized (CP) microstrip antenna operating at ISM band (2.45 GHz) and 5G band (3.5 GHz) is proposed in this paper. The antenna achieves dual-band operation by digging two concentric annular-ring slots on the ground. And on the angular positions with 45 degrees inclined of each annular slot, two bent structures are loaded to generate circularly polarized radiation. The radiation of this antenna is bidirectional, and the directions of rotation are opposite. The measured results of the annular-ring slot microstrip antenna show good performance of dual-band circularly polarized characteristics.

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Row, J. S. "Dual-frequency circularly polarised annular-ring microstrip antenna". Electronics Letters 40, nr 3 (2004): 153. http://dx.doi.org/10.1049/el:20040123.

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Shan, Zhiyong, i Mingrong Gao. "Dual-frequency Hexagonal Helical Microstrip Slot Antenna Loaded with Resonant Ring". Journal of Physics: Conference Series 2290, nr 1 (1.06.2022): 012078. http://dx.doi.org/10.1088/1742-6596/2290/1/012078.

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Abstract A hexagonal helical microstrip slot dual-frequency antenna loaded with resonant ring is presented in this letter. By loading the resonant ring and slot, the dual frequency of the antenna is realized and the antenna gain is improved. The best performance of the antenna is obtained by the optimization experiment. The simulation results show that when the reflection coefficient of the antenna is less than -10dB, the impedance bandwidth is 1.45GHz-1.78GHz and 2.39GHz-2.52GHz, the corresponding relative bandwidths are 20.4% and 5.3% respectively, and the maximum gain is 3.54dB. The antenna has better performance, it can be used in modern communication systems such as global positioning system (GPS), bluetooth, wireless local area network (WLAN) and WIFI.

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Singh, Ashish, Mohammad Aneesh i J. A. Ansari. "Analysis of Microstrip Line Fed Patch Antenna for Wireless Communications". Open Engineering 7, nr 1 (10.11.2017): 279–86. http://dx.doi.org/10.1515/eng-2017-0034.

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AbstractIn this paper, theoretical analysis of microstrip line fed rectangular patch antenna loaded with parasitic element and split-ring resonator is presented. The proposed antenna shows that the dualband operation depends on gap between parasitic element, split-ring resonator, length and width of microstrip line. It is found that antenna resonates at two distinct resonating modes i.e., 0.9 GHz and 1.8 GHz for lower and upper resonance frequencies respectively. The antenna shows dual frequency nature with frequency ratio 2.0. The characteristics of microstrip line fed rectangular patch antenna loaded with parasitic element and split-ring resonator antenna is compared with other prototype microstrip line fed antennas. Further, the theoretical results are compared with simulated and reported experimental results, they are in close agreement.

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Liu, Ji-Chyun, Cheng Chung Chaw, Kang-Hsian Fann i Shuh Tai Lu. "Dual-frequency double-ring microstrip antenna with voltage/current couplings". Microwave and Optical Technology Letters 21, nr 3 (5.05.1999): 209–11. http://dx.doi.org/10.1002/(sici)1098-2760(19990505)21:3<209::aid-mop15>3.0.co;2-o.

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Ahmed, Sadiq, i Madhukar Chandra. "Design of a dual linear polarization antenna using split ring resonators at X-band". Advances in Radio Science 15 (6.11.2017): 259–67. http://dx.doi.org/10.5194/ars-15-259-2017.

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Abstract. Dual linear polarization microstrip antenna configurations are very suitable for high-performance satellites, wireless communication and radar applications. This paper presents a new method to improve the co-cross polarization discrimination (XPD) for dual linear polarized microstrip antennas at 10 GHz. For this, three various configurations of a dual linear polarization antenna utilizing metamaterial unit cells are shown. In the first layout, the microstrip patch antenna is loaded with two pairs of spiral ring resonators, in the second model, a split ring resonator is placed between two microstrip feed lines, and in the third design, a complementary split ring resonators are etched in the ground plane. This work has two primary goals: the first is related to the addition of metamaterial unit cells to the antenna structure which permits compensation for an asymmetric current distribution flow on the microstrip antenna and thus yields a symmetrical current distribution on it. This compensation leads to an important enhancement in the XPD in comparison to a conventional dual linear polarized microstrip patch antenna. The simulation reveals an improvement of 7.9, 8.8, and 4 dB in the E and H planes for the three designs, respectively, in the XPD as compared to the conventional dual linear polarized patch antenna. The second objective of this paper is to present the characteristics and performances of the designs of the spiral ring resonator (S-RR), split ring resonator (SRR), and complementary split ring resonator (CSRR) metamaterial unit cells. The simulations are evaluated using the commercial full-wave simulator, Ansoft High-Frequency Structure Simulator (HFSS).

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Bie, Shuhang, i Shi Pu. "Array Design of 300 GHz Dual-Band Microstrip Antenna Based on Dual-Surfaced Multiple Split-Ring Resonators". Sensors 21, nr 14 (19.07.2021): 4912. http://dx.doi.org/10.3390/s21144912.

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To meet the increasing need of high-data-rate and broadband wireless communication systems, the devices and its circuits R&D under Millimeter, Sub-Millimeter, or even Terahertz (THz) frequency bands are attracting more and more attention from not only academic, but also industrial areas. Most of the former research on the THz waveband (0.1–10 THz) antenna design is mainly focused on realizing high directional gain, such as horn antennas, even though the coverage area is very limited when comparing with the current Wi-Fi system. One solution for the horizontally omnidirectional communication antenna is using the structure of multiple split-ring resonators (MSRRs). Aiming at this point, a novel 300 GHz microstrip antenna array based on the dual-surfaced multiple split-ring resonators (DSMSRRs) is proposed in this paper. By employing the two parallel microstrip transmission lines, different MSRRs are fed and connected on two surfaces of the PCB with a centrally symmetric way about them. The feeding port of the whole antenna is in between the centers of the two microstrip lines. Thus, this kind of structure is a so-called DSMSRR. Based on the different size of the MSRRs, different or multiple working wavebands can be achieved on the whole antenna. Firstly, in this paper, the quasi-static model is used to analyze the factors affecting the resonance frequency of MSRRs. Simulation and measured results demonstrate that the resonant frequency of the proposed array antenna is 300 GHz, which meets the design requirements of the expected frequency point and exhibits good radiation characteristics. Then, a dual-band antenna is designed on the above methods, and it is proved by simulation that the working frequency bands of the proposed dual-band antenna with reflection coefficient below −10 dB are 274.1–295.6 GHz and 306.3–313.4 GHz.

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Singh, Indrasen, Vijay Shanker Tripathi i Sudarshan Tiwari. "Dual-Band Microstrip Patch Antenna Miniaturization Using Metamaterial". Journal of Engineering 2013 (2013): 1–5. http://dx.doi.org/10.1155/2013/928078.

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A dual-band microstrip patch antenna is designed and analyzed using metamaterial artificial substrate. Metamaterial based substrate is designed using Square Split Ring Resonator (SSRR) and Wire Strip. The antenna is tuned to work at two resonating frequencies in the frequency range from 1 GHz to 4 GHz depending on the geometric specifications of SSRR, strip line, radiating patch, and feed location point. Proposed antenna provides good return loss behavior at both resonating frequencies. The obtained VSWR at both resonating frequencies is very much near to 1. Proposed antenna covers applications in mobile communication and Wi-MAX. Proposed patch antenna is compared with the conventional patch antenna, which shows the significant miniaturization as compared to conventional patch antenna.

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Rozprawy doktorskie na temat "DUAL FREQUENCY ANGULAR RING MICROSTRIP ANTENNA"

GAURAV, KUMAR. "DESIGN & ANALYSIS OF DUAL FREQUENCY ANGULAR RING MICROSTRIP ANTENNA WITH PERTURBATION METHOD USING MAPLESOFT". Thesis, 2012. http://dspace.dtu.ac.in:8080/jspui/handle/repository/14018.

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Angular Ring Microstrip Antenna (ARMA) with perturbation at its centre is designed and is studied for its frequency characteristics .A microstrip antenna in its simplest configuration consists of radiating patch on one side of a dielectric substrate (εr ) ,which has a ground plane on the other side. However they suffer from a drawback that surface waves are formed .These waves reduce antenna efficiency and gain, limit bandwidth, increase end-fire radiation, and limit the applicable frequency antenna. In 1977 , L. Lewin initiated the concept of analyzing microstrip curve structure with the help of perturbation method .These structure were extensively used in the optical range .However the increasing research and application in the Microwave range led to the frequency of operation to shift into the GHz range. These structures operating in the microwave region are called curve waveguide model. By using second order perturbation radiating power improve up to -60 dB. The project deals with design and analysis of Angular Microstrip Antenna (ARMA) for making perturbed structure, a curved microstrip bend at any general angle α. Compute perturbation of chamfered α region with respect to α region. Use of second order perturbation & fourth iteration the frequency response of antenna improve. Mathematical software MAPLESOFT was used to solving such equation and MATLAB used for comparing the result. Further a study of the effect of different R/w and angle α on the performance of the antenna is presented and discussed in this thesis.

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Behera, Subhrakanta. "Design And Analysis Of Microstrip Ring Antennas For Multi-frequency Operations". Thesis, 2011. https://etd.iisc.ac.in/handle/2005/2059.

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In this research we attempted several modifications to microstrip ring/loop antennas to design multi-frequency antennas through systematic approaches. Such multi-frequency antennas can be useful while building compact terminals to operate at multiple wireless standards. One of the primary contributions was the use of a capacitive feed arrangement that enables simultaneous excitation of multiple concentric rings from an underlying transmission line. The combined antenna operates in the same resonant bands as the individual rings and avoids some of the bands at harmonic frequencies. A similar feeding arrangement is used to obtain dual band characteristics from just one ring, with improved bandwidth. This is made possible by widening two adjacent sides of a square ring antenna symmetrically, and attaching an open stub to the inner edge of the side opposite to the feed line. Use of fractal segments replacing the side with the stub also results in a similar performance. Use of fractal geometries has been widely associated with multi-functional antennas. It has been observed from the parametric studies that, the ratio of the resonant frequencies can range from 1.5 to 2.0. This shows some flexibility in systematically designing dual-band antennas with a desired pair of resonant frequencies. An analysis technique based on multi-port network modeling (MNM) has been proposed to accurately predict the input characteristics of these antennas. This approach can make use of the ordered nature of fractal geometries to simplify computations. Several prototype antennas have been fabricated and tested successfully to validate simulation and analytical results.

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Behera, Subhrakanta. "Design And Analysis Of Microstrip Ring Antennas For Multi-frequency Operations". Thesis, 2011. http://etd.iisc.ernet.in/handle/2005/2059.

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Części książek na temat "DUAL FREQUENCY ANGULAR RING MICROSTRIP ANTENNA"

Goswami, Sivaranjan, Kumaresh Sarmah, Angana Sarma, Kandarpa Kumar Sarma i Sunandan Baruah. "Design Considerations Pertaining to the Application of Complementary Split Ring Resonators in Microstrip Antennas". W Advances in Computer and Electrical Engineering, 25–56. IGI Global, 2019. http://dx.doi.org/10.4018/978-1-5225-7539-9.ch002.

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Metamaterial-based design of microstrip antennas and other microwave structures have gained enormous popularity worldwide among researchers. The complementary split ring resonator (CSRR) is one of the most commonly used metamaterial structures in this direction. The CSRR structure yields a negative value of its effective permittivity at a narrow band near its resonant frequency. CSRR structure was initially proposed as a notch filtering element in microstrip transmission lines because of the negative permittivity. Later, the CSRR structure found its use in antennas and other microwave applications. The CSRR structure is reported to enhance the performance of a microstrip antenna in terms of its gain and bandwidth. In addition, CSRR structure is also used in the design of dual band antennas and antennas with integrated filters. This chapter deals with the practical design aspects relative to these applications of CSRR structures.

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Streszczenia konferencji na temat "DUAL FREQUENCY ANGULAR RING MICROSTRIP ANTENNA"

Sato, Shuhei, Sakuyoshi Saito i Yuichi Kimura. "A frequency-tunable dual-band multi-ring microstrip antenna fed by an L-probe with varactor diodes". W 2017 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting. IEEE, 2017. http://dx.doi.org/10.1109/apusncursinrsm.2017.8072724.

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Ikeda, Toru, Sakuyoshi Saito i Yuichi Kimura. "A Frequency-Tunable Dual-Band Single-Layer Shorted Multi-Ring Microstrip Antenna Fed by an L-probe with Varactor Diodes". W 2019 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting. IEEE, 2019. http://dx.doi.org/10.1109/apusncursinrsm.2019.8888596.

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Honda, Shohei, Sakuyoshi Saito i Yuichi Kimura. "A Miniaturized Frequency-Tunable Varactor-Loaded Dual-Band Shorted Multi-Ring Microstrip Antenna Fed by an L-probe with a Thick Dielectric Substrate". W 2020 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting. IEEE, 2020. http://dx.doi.org/10.1109/ieeeconf35879.2020.9330183.

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