[PDF] Top 20 Investigation Of The Performance Of Circular Polarization Antenna At 1.8 GHz Operating Frequency

... microstrip patch antenna capture electromagnetic energy from RF signals that ha v e. been radiated by the communication system at GSM 1800 frequency range[r] ... See full document

... CHAPTER 1 INTRODUCTION In this project, we are investigating of different array arrangement of microstrip patch antenna and it performances at 28 GHz ...large frequency range microstrip patch ... See full document

... Patch antenna is used because it provides light weight and low cost suitable with the small antenna types other than the used of this technology is already for several ...the antenna is design ... See full document

... EBG Antenna, Reconfiguration, Polarization, Millimeter Wave ...in frequency, radiation patterns or polarization are potential candidates to fulfill the requirements with a minimum of clutter ... See full document

... lower frequency resonance shifts down while a resonance at the higher frequency is also ...4.3 GHz, but also enlarge the bandwidth by merging the two ...linear polarization in the entire ... See full document

... the antenna array calculated with the measurement results, according to the theory, is compared with the simulated ...each antenna. The LPDA [10] antenna is built by assembling 21 dipoles for a ... See full document

... resonator antenna (DRA) for wideband wireless application is ...resonant frequency and axial ...proposed antenna features good measured impedance bandwidth, 87.3% at 4.21 GHz to ...10.72 ... See full document

... CP antenna is fabricated on an FR4 ...W 1 = 2.4 mm, L 1 = 10 mm, L 2 = 5 mm, h = 13 mm, S 1 = 6 mm, S 2 = 8 ...× 1 . 2 mm 2 , and capacitors are simulated as 0 . 8 × ... See full document

... the circular patch can be switched. The antenna is composed of circular radiating patch and switchable feed ...the antenna can achieve reconfigurable quadri-polarization diversity ... See full document

... reflectarray operating at both 20 GHz and 30 GHz is accomplished in ...reflectarray antenna for the SatCom-on-the-move system [8][9] has been reported and the electrical beam scanning ... See full document

... microstrip antenna operating at 1.9 GHz and ...the antenna patch, the proposed antenna in this work has managed to obtain the dual-band characteristic by combining two annular ring ... See full document

... two operating bands, but also reduce the axial ...the operating bands is still greater than 3 dB, and the impedance match at the lower band is not good ...the performance, a rectangular notch is ... See full document

... 2. ANTENNA DESIGN PRINCIPLE The geometry of the proposed antenna is shown in ...Fig. 1. A circular geometry is chosen for simplicity, and it has the advantage of a symmetrical ...RHCP ... See full document

... systems, circular polarization (CP) antennas are used for communication links to reduce the natural loss effect in ...slot antenna based on a parallel split ring resonator with circular and ... See full document

... other antenna configu- ...proposed antenna does not only can reconfigure frequency, but is also capable of switching polar- ization from CP to linear ...achieve frequency reconfiguration with ... See full document

... versus frequency are shown with solid lines in ...an antenna at f 0 = 3 GHz using a ground plane of 5λ 0 ×5λ 0 , which is empirically known to be an adequate approximation of the infinite ground ... See full document

... the performance and compactness the open slot antenna entice sample attention compared to the other antennas, as the slot antenna has advantages of simple structure, light weight, low profile wide ... See full document

... monopole antenna is proposed to achieve dual-band ...monopole antenna generates CP wave because each loop can be considered as a perturbation at the ...proposed antenna is particularly simple in ... See full document

... the antenna acts like a orthogonally crossed bow-tie patch and the electric field vector rotates in the anticlockwise direction which exhibits a RHCP ...proposed antenna with the change of the radius R s of ... See full document

... GNSS antenna with suppressed backward radiation has been designed, fabricated, and ...wideband performance of the antenna is due to the wideband radiation element composed of a back-side slot and ... See full document