[PDF] Top 20 Plan de mejoramiento de la Escuela de Aviación INEC Pereira

... an antenna with fractal shape, similar surface current distribution is obtained for different frequencies ...i.e. multiband behavior is ...microstrip patch antenna to achieve ... See full document

... fractal antenna presented in [1–3] supports researchers to the great extent in this ...fractal antenna as an introductory scientific ...an antenna without compromising its ...fractal ... See full document

... the analysis and synthesis of the square multiband Sierpinski carpet fractal ...the analysis of the Sierpinski carpet fractal antenna, the length of the carpet ( a ) and scaling ... See full document

... Fractal antenna design has created a major role due to its compactness as well as wider application in UWB ...The sierpinski carpet is inserted into the triangular patch as a slot, and Koch ... See full document

... and multiband operation has increased because such antennas are important for integrating more than one communication standard in a single system to effectively improve the portability of modern wireless ...obtain ... See full document

... between patch and feed point for proper impedance matching ...strip patch as shown in Figure ...the patch and this kind of feed arrangement has the advantage that the feed can be etched on the same ... See full document

... shape antenna elements present various advantages like wide bandwidth, multiband [10, 11], and reduced antenna size, among ...others. Sierpinski fractal geometry exhibits well-known features ... See full document

... and analysis the performance of a metamaterial (MTM) based microstrip patch antenna (MPA) by introducing three dual isosceles triangular slots on the metallic ...microstrip patch ... See full document

... GHz multiband operation. To obtain the multiband operation two slots were introduced to modify the shape of the ...Parametric analysis of the depth of the slots was performed and observed to change ... See full document

... the patch or used the stack geometry or bandwidth is directly perportional to hight of the substrate, bandwidth is inversely proportional to dieletic constant of the substrate ...microstrip patch ... See full document

... square patch with dimension etched on layer 1 and connected to layer 2 by four via holes (points P, Q, R and S) at the four edges of the square ...square patch is of length and width and can be tuned ... See full document

... comparative analysis of rectangular and triangular microstrip patch antenna it can be conclude that TPA can be a good substitute for rectangular patch, due to its physical smaller ... See full document

... microstrip patch antenna dimensions are used to design Sierpinski carpet fractal antenna up to three iterations using inset feeding techniques to calculate return loss, bandwidth, gain, and ... See full document

... compact triangular slot array multi-broadband planar antenna is proposed for mobile handsets in the ...The antenna has an inverted triangle structure radiator with fourteen units triangular ... See full document

... microstrip patch antenna, different methods could be ...proposed antenna due to its simplicity. The antenna has the best performance when the transmission line is placed at a point where the ... See full document

... In Figure 5, it can be seen from that the operating frequency is 7.8 GHz which is the frequency band allocated for WiMAX application for IEEE standard 802.16a. From the Figure 5, it can be observed that the return loss ... See full document

... proposed patch antenna system resonates at ...shaped patch antenna is much suitable for MIMO ...proposed antenna is less than 2 over entire operating frequency ...proposed ... See full document

... dipole antenna is proposed. The antenna is an amalgamation of traveling wave antennas that require large elctrical lengths and fractal curves that are known for excellent form factor ...The antenna ... See full document

... The reflection coefficient of the proposed quad band antenna is presented in Fig 5. The return loss at fundamental resonant frequency is around -25 dB, -21 dB at second resonant frequency, -17 dB at third resonant ... See full document

... An antenna that have the ability to modify its characteristics, such as operating frequency, polarization or radiation pattern is referred to as a reconfigurable ...Reconfigurable antenna is used for to ... See full document