[PDF] Top 20 Estrategias para la modernización del ejército del Perú

... resonant antenna is designed at the fundamental mode, it has a minimum patch size, but the obtained impedance bandwidth has ultra wide band or narrow ...In UWB it has no practical use for ... See full document

... operating frequencies some techniques have been introduced. A novel antenna design with an inverted square- shaped patch antenna [2] with a Y-shaped feeding line for broadband ... See full document

... quad band patch antenna for mobile communication. The design requirements are to meet the ...proposed antenna consists of a rectangular patch monopole printed antenna in ... See full document

... a novel and compact microstrip-fed monopole antenna with multiresonance characteristic for microwave imaging system applications has been ...new resonance at higher frequencies ...forth ... See full document

... micro-strip patch antenna was proposed by De-Chaps in ...micro-strip patch antenna is its two- dimensional structure. Flat antenna, arrays can have a large aperture, with corresponding ... See full document

... Wide Band (UWB) technology. In London, the first set up for UWB communications system was in 1896 to connect two post offices mail, the distance was more than a mile apart between them (Nikookar and ... See full document

... microstrip patch antenna using proximity feed ...fabricated antenna uses two-layer substrate with the microstrip-line on the lower layer and the patch antenna on upper layer such ... See full document

... the antenna are measured using Vector Network Analyzer. The antenna return loss and VSWR are recorded and sketched with the comparison of the simulated ...the antenna input impedance had good ... See full document

... microstrip patch antennas, they are of high demand in the recent wireless applications [1, ...Microstrip patch antennas are being employed in various applications, beginning from simple telemetry antennas ... See full document

... directive UWB antennas based on monopole ...a novel unidirectional UWB antenna based on a monopole radiator backed with a compact rectangular metallic ...we design a novel ... See full document

... reconfigurable antenna is capable of accommodating the features of a number of ...the antenna make the antenna reconfigured in terms of ...wide- band antennas as they do not have the influence of ... See full document

... During the last decade, wireless communication systems have progressed too fast and become the most important part in notebooks and cellular phones because of mobility and low cost [1, 2]. A WLAN links two or more ... See full document

... the design of a multiband UWB antenna is presented ...multiband UWB antenna is shown in figure ...for UWB application , to obtain any resonance frequency between ... See full document

... of antenna elements such as the dipole, horn, slot, spiral, long wire, and ...controlled. Antenna can be divided into four types and operated at different frequencies based on their structure and ... See full document

... to design and simulate the proposed ...the antenna is shown in ...the patch is ...by using two PIN diodes ...to design the antenna: ... See full document

... The second way is to custom the self-similarity in the geometry to which are multiband. This would permit the machinist to integrate numerous aspects of their system into one antenna. Such antennas could be used ... See full document

... frequency band of UWB applications [2]. UWB system has features such as cost efficient, quiet intricacy and very high data rate for short range communication and approves short distance radio ... See full document

... Objective of this project is to design and fabricate a multi band antenna using sierpinski carpet fractal antenna and microstrip fractal antenna.. Parameters that influence antenna's per[r] ... See full document

... planar antenna with copper and graphene as its conducting media in its tri-band frequency ...the patch provides an increased parametric result for its gain and radiation efficiency, although the bend ... See full document

... presents multi-band double inverted L-slot patch antenna for wireless ...This antenna structure is build by cutting double inverted L-slots in the ...the antenna has ... See full document