circularly polarized antenna systems
Dual-Band Dual-Polarized Microstrip Antenna for Compass Navigation Satellite System
... other systems are in use or under development such as the Russian Global Navigation Satellite System (GLONASS), European Union Galileo Positioning System and Chinese Compass Navigation Satellite ...dual-band ...
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A Multi-Band Circularly Polarized Square Patch Antenna
... A circularly polarized antenna can receive signals in all ...patch antenna, this can accomplished by adjusting the physical dimensions of the patch and using either single, or two or more ...a ...
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Wideband Single-Feed Circularly Polarized Antenna
... Circularly polarized antennas are of great importance in modern wireless communication, radar, RFID and sensor systems, due to their stability of signal reception and smashing ...the antenna ...
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Design of a Broadband Circularly Polarized Antenna Array
... [3], circularly polarized array antennas are widely used in modern wireless communication systems such as satellite, radar, and mobile ...for circularly polarized antenna arrays ...
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Multiband Circularly Polarized Stacked Microstrip Antenna
... multiband circularly polarized microstrip antennas are in great demand in current wireless communication system because they overcome the problems of mutual coupling and negative effect on the overall system ...
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A Broadband Circularly Polarized Antenna Based on Cross-Dipoles
... Circularly polarized microstrip patch antennas are highly popular in a vast number of applications such as Satellite Communications Systems, Global Positioning System (GPS), and Radio Frequency ...
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Fractal-Based Triangular Slot Antennas with Broadband Circular Polarization for RFID Readers
... RFID systems operate at widely differing frequencies, ranging from 125 kHz to ...reader antenna is an important component in RFID systems and is often designed with circularly polarized ...
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Edge Fed Square Truncated Circularly Polarized Antenna For Wireless LAN Communication And Medical Applications
... of antenna design become a challenging task for the engineer ...communication systems and functional devices need one antenna model with no of operating frequencies and band selectivity case as the ...
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Circularly Polarized SIW Antenna Array Based on Sequential Rotation Feeding
... Circularly polarized (CP) antennas have an ability to solve problems in wireless channels such as polarization mismatch with the result of Faraday Effect and interference generated by the multi-path ...
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Multilayer Dielectric Resonator Antenna Transmitarray for Near-Field and Far-Field Fixed RFID Reader
... with circularly polarized (CP) operation because the tag antenna (which is linearly polarized) will receive enough power from the transmitter irrespective of its ...CP antenna with a ...
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Microstrip Fed Broadband Circularly Polarized Monopole Antenna
... of circularly polarized (CP) waves have attracted much attention due to their significance in resisting inclement weather as compared to linearly polarized (LP) ...communication systems that ...
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A Stacked Broadband Circularly Polarized Microstrip Antenna
... broadband circularly polarized microstrip patch ...the antenna impedance bandwidth and circularly polarized ...reflector antenna, makes it possible to maximize the utilization of ...
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Bandwidth Enhancement of Circularly Polarized Square Slot Antenna
... Circularly polarized (CP) antennas are preferred over linearly polarized antennas because they do not require alignment of electric field vector between the transmitter and receiver ...radio ...
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Single Feed Square Aperture Circular Polarized Antenna
... presented antenna with and without reflector were simulated and fabricated using flame retardant 4 (FR4) board as shown in ...anechoic antenna measurement system and network ...
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Circularly Polarized Slit Loaded Broadband Coplanar Capacitive Coupled Probe Fed Microstrip Antenna for Wireless Communication System
... from feed strip line are negligible but as the operating frequency increases, the radiation losses are effective. The separation between radiator patch and the feed strip is essentially an asymmetrical gap that means two ...
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A Circularly Polarized Circularly-Slotted-Patch Antenna with Two Asymmetrical Rectangular Truncations for Nanosatellite Antenna
... a circularly polarized antenna with a combination of circular slot and asymmetrical truncation on the patch diagonal is ...proposed antenna is printed on a substrate with the thickness of ...
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Circularly Polarized Microstrip Patch Antenna for WiMAX Applications
... As shown in Fig.2 it is the geometrical design of the microstrip patch antenna by using various slots and truncated corner.A good CP bandwidth is also effectively enabled by the conventional technique of ...
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Design and Simulation Based Studies of a Dual-Band Circularly-Polarized Square Microstrip Antenna
... measured value | /measured value × 100 [%]. The simulated return loss and axial ratio agree with the measured results. The simulated and measured bandwidths of 10 dB — return loss with 3 dB — axial ratio in the L1 band ...
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Broadband CPW-Fed Circularly Polarized Antenna with an Irregular Slot for 2.45 GHz RFID Reader
... slot antenna fed by CPW is proposed in this paper. This antenna consists of an irregularly slot and an L-shaped feed ...the antenna. The planar structure of the antenna makes it easy to ...the ...
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Stacked Circularly Polarized Microstrip Antenna for RFID Applications
... Lower patch is placed on substrate FR4 (h1 = 3.2 mm, εr1 = 4.2, and tanδ1 = 0.02).Upper patch is placed on substrate FR4 (h3= 1.6 mm, εr3= 4.4, and tanδ3= 0.02). Air substrate (h2= 23 mm, εr2= 1.0006) is sandwiched ...
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