[PDF] Top 20 Wide Beam Circularly Polarized Microstrip Antenna with Parasitic Ring for CNSS Application

... of circularly- polarized microstrip antennas, such as using the materials with high permittivity, decreasing the ground size and so ...feed circularly- polarized microstrip ... See full document

... helix antenna (QHA) [2–7] is a typical solution to meet circular polarization and wide spatial coverage ...Besides, microstrip antennas with a three-dimensional square ground [11] and four unequal ... See full document

... between parasitic patch and annular ring — ...the parasitic patch and annular ...entire antenna, the impedance and AR bandwidth, shown in ... See full document

... “Printed Circularly Polarised Asymmetric Ultra-Wideband Antenna”, Progress In Electromagnetics Research M, ...Sierpinski Antenna on a Flexible, Organic Substrate With Novel DC Biasing Technique, ... See full document

... dual-band circularly-polarized microstrip antennas have been ...stacked microstrip antennas can easily achieve good dual-band CP characteristics, they have been widely used in modern wireless ... See full document

... circular parasitic patch suspended above the ring is employed for not only improving the impedance matching and bandwidth, but enhancing the performances of axial ratio ...of parasitic patch and ... See full document

... terminals. Microstrip patch antenna is one of the popular ...compact circularly polarized microstrip antennas are reported by embedding four unequal circular-patches or cutting slots in ... See full document

... the antenna is achieved by use of two resonances: a patch resonance and a backfire resonance, it has maximum gain ...conventional microstrip antenna. the CP antenna provides good and stable ... See full document

... coupled microstrip antenna is a sensitive function of length and width of the microstrip feed ...a microstrip antenna has wide beamwidth in one hemisphere, two back-to-back ... See full document

... Abstract—A wide-beamwidth circularly polarized (CP) asymmetric microstrip antenna is proposed by etching four novel unequal fan-shaped notches at the vertexes of the square ... See full document

... Circularly polarized printed slot antennas are widely used in satellite communication and recent wireless communication application due to their advantages such as large impedance bandwidth, low ... See full document

... proposed antenna has a more compact size thanks to the use of the annular-rings and the reduction of the substrate ...dual-band antenna shown in [6] presents a compact size because it is composed of only ... See full document

... A microstrip-fed broadband circularly polarized (CP) monopole antenna ...This antenna used a monopole architecture, except for it ground plane and asymmetric ...of antenna ... See full document

... wideband circularly polarized microstrip ...the antenna impedance bandwidth and circularly polarized ...reflector antenna, makes it possible to maximize the utilization of ... See full document

... Microstrip antennas are very popular because of their many advantagessuch as low profile, conformable to planar and non-planar surfaces, simple design and lower cost to fabricate using modern printed-circuit ... See full document

... CP microstrip antenna which utilizes a circular radiating patch with a ring slot is ...the ring slot for the upper CP radiation resonant ...the antenna is etched on two substrates with ... See full document

... patch antenna that can have wideband ...proposed antenna has impedance bandwidth of 60% in the frequency range ...The antenna has axial ratio bandwidth of ...The antenna is useful for wideband ... See full document

... The multiband CP antenna is able to operate at different frequency bands on a single antenna and can be useful for several applications. Hence, the optimization goal is to obtain multiple CP bands with good ... See full document

... dual-band circularly-polarized microstrip antenna is proposed, and the antenna for GPS is ...proposed antenna is effective and useful in the design for dual-band ... See full document

... The VSWR of the antenna, as shown in Figure 4, can be seen that VSWR is less than 2dB in both frequency bands. It can be seen from the points marked in the Figure 4 that it is 1.7832 in the 1.207GHz band and ... See full document