compact circularly polarized radiation
A Single-Layer and Compact Circularly Polarized Wideband Slot Antenna Based on ``Bent Feed''
... the circularly polarized radiation mechanism, the simulated time-varying surface current distributions of the proposed antenna are shown in ...left-hand circularly polarized (LHCP) in ...
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Design of Compact EBG Structure and effect on Circularly Polarized Triangular Patch with Stub
... and radiation efficiency of this antenna are improved significantly when antenna is above EBG in comparison to antenna without ...simulated radiation patterns of the antenna exhibit reduction in backward ...
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A Circularly-Polarized Compact Wideband Patch Antenna Loaded by Metamaterial Structures
... performance advantages over linear polarization (LP). As an example, within a Wi-Fi network, CP antenna delivers better connectivity with both fixed and mobile devices. Additionally, advanced signal propagation ...
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A Compact Wideband Circularly Polarized Crossed-Dipole Antenna with Broad Beamwidth
... a compact wideband circularly polarized (CP) crossed-dipole antenna with wide half-power beamwidth (HPBW) and broad 3 dB axial ratio beamwidth (ARBW) is ...CP radiation and broadband ...
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Broadband Circularly Polarized Slot Antenna Array Using a Compact Sequential-Phase Feeding Network
... broadband circularly polarized (CP) slot antenna array fed by an asymmetric coplanar waveguide (CPW) with stepped and inverted T-shaped strips is ...Good radiation characteristics with gain more than ...
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Single-Fed Low-Profile Circularly Polarized Antenna Using Quarter-Mode Substrate Integrated Waveguide with Enhanced Bandwidth
... single-fed compact circularly polarized quarter-mode substrate integrated waveguide (QMSIW) antenna with improved bandwidth is designed based on a single-layer ...a circularly polarized ...
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Compact Circularly Polarized Crossed Dipole Antenna with Chip Inductors and Square Rings Loading for GPS Applications
... Abstract—A compact circularly polarized (CP) crossed dipole antenna with chip inductors and square rings loaded for Global Positioning System (GPS) is proposed in this ...CP radiation is ...
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Compact CPW-Fed Circularly Polarized Antenna for WLAN Application
... Circularly polarized antenna can be achieved by using various types of feeding methods: CPW- fed [11], microstrip line fed [12–14], inset fed and using mutual coupling [15, 16], aperture couple [17] ...
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Compact Dual-Band Circularly-Polarized Antenna with C-Slots for CNSS Application
... dual-band circularly-polarized microstrip antennas have been ...bidirectional radiation patterns and besides adds to the disadvantage of integrated system at the same ...
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A Compact Stacked Circularly Polarized Annular-Ring Microstrip Antenna for GPS Applications
... According to the design procedure for the stacked ARMSA, the required side length of the ground plane and the thickness of substrate are also considered. When other dimensions are fixed, the change of the two parameters ...
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Design of a Compact Wideband Circularly Polarized Crossed-Dipole Antenna Using a Modified Cavity
... Figure 1 shows the geometry of the proposed crossed-dipole antenna. The antenna consists of two crossed dipoles with parasitic square slots and a modified cavity, which is fed by a 50 Ω coaxial cable. The arms at the top ...
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A Compact Circularly Polarized Microstrip Ring Antenna Using a Slotted Ground for GNSS Applications
... Abstract—A compact circularly polarized microstrip ring antenna is presented for Global Navigation Satellite systems (GNSS) application in this ...a radiation patch which is fed by a T-like ...
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A Circularly Polarized Compact Antenna for UHF Band RFID Reader
... the isolation port from the input port of the hybrid patch coupler. Apparently, it is found the energy is absorbed by the matching load terminated to the isolation port of the hybrid patch coupler rather than ...
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CPW-Fed Square Slot Antenna with Lightening-Shaped Feedline for Broadband Circularly Polarized Radiation
... A new CPW-fed square slot antenna with lightening-shaped feedline for the circularly polarized radiation has been proposed. The structure obtained good broadband circularly polarized ...
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A Reconfigurable Dual-Broadband Circularly Polarized Antenna by Orthogonal Slot Technique for RFID Reader
... The simulated and measured gains are shown in Fig. 7. The gain is about 2.4 dBic for UHF band, and it is changed little for UHF band. The peak gain is 3.6 dBic for 2.4 GHz band. Figs. 8 and 9 show surface current ...
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A Novel Compact Printed Antenna with Circularly Polarized Characteristic
... and circularly polarized radiation have also been reported, but the size of these antennas is still not small enough and their structures are too complex, and the bandwidths of some do not met the ...
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A Compact Circularly Polarized Microstrip Antenna with Bandwidth Enhancement
... [1–4]. Circularly polarized microstrip antennas (CPMAs) combine the advantages of both microstrip antenna and circular polarization, thus have aroused extensive interest in the research ...the ...
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Broadband Low-Profile Circularly Polarized Antenna with Stepped Sequential Feeding Structure
... The evolution of the antenna is shown in Fig. 2. Circularly polarized wave is obtained by two pairs of dipoles which are excited by sources with equal power and phase difference of 90 ◦ . Parasitic rings and ...
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Removal of Beam Squinting Effects in a Circularly Polarized Offset Parabolic Reflector Antenna Using a Matched Feed
... The use of an offset parabolic reflector configuration becomes limited due to its serious drawback of introducing the beam squinting effects [1–3], when illuminated by a circularly polarized primary feed. The ...
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Tunable circularly polarized terahertz radiation from magnetized gas plasma
... THz radiation sources from gas [8–18] or solid [19, 20] plasmas irradiated by fs intense laser pulses thanks to their high radiation strength and bandwidth up to 100 ...THz radiation of multi-MV/cm ...
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