[PDF] Top 20 Design and Realization of a Flat-Top Shaped-Beam Antenna Array

... with shaped-beam radia- tion patterns have been widely used for better power managements [1– ...The shaped radiation patterns are usually realized by controlling the feeding amplitudes and phases of ... See full document

... the realization for the generation of ramp and stair- step patterns using amplitude control and phase-only control techniques, to avoid the complexity involved in conventional analytical synthesis methods ...the ... See full document

... transmit beam with pre- fixed amplitude distribution was reported by Ares et ...reconfigurable array antennas that can produce asymmetrical pencil and flat- top beam patterns using ... See full document

... "Smart antenna" can improve wireless performance .Smart antenna may contain switched- beam or fully adaptive configuration that electronically steer the pattern toward an individual ... See full document

... pattern antenna arrays based on simulated annealing algorithm have been described by Diaz et ...reconfigurable array antennas with asymmetrical pencil and flat-top beam patterns using ... See full document

... The feasibility of this PAA is predicated on the realization of cylindrical-shaped plasma discharges that achieve the desired density in the prescribed range of neutral pressure. As mentioned in Section 1, ... See full document

... The antenna array element chosen is a printed dipole integrated with the wide band microstrip balun above the metal ground, which can be extended to print the feeding network ...microstrip array ... See full document

... slot array antenna of integrated CP two elements SIW with CubeSat, which have been designed, fabricated and ...slot array antenna has very narrow ...an antenna by optimizing the ... See full document

... ring antenna arrays with the ability to produce dual pattern have many applications in communications and radar ...for design of an optimized reconfigurable concentric ring array with dual pattern of ... See full document

... single array element can provide only broadside direction; therefore, to allow conical beam pattern for all the polarization senses, six unit cells arranged in a windmill-shaped are integrated to ... See full document

... phased array-based antenna for multibeam surveillance and tracking radar to support a Fire Control ...1) design and implemention of a 16 x 16 x 4 sided large array antenna, which each ... See full document

... monopole array in which the main beam is steered only in one direction, but the measured gain was reduced, due to the size reduction, to ...circular top loading shape (5.10 dBi). The main beam ... See full document

... Antenna can be defined as a device used for radiating and receiving electromagnetic waves. Substrate, patch and ground plane are the three basic layers of any Microstrip Patch Antenna (MPA). Substrate is ... See full document

... arranged on the obverse side of the Teflon glass fiber substrate. The slot lines and the slot ring including four diodes are arranged on the reverse side. The dimensions for the slot lines and the microstrip lines are ... See full document

... radiating antenna arrays were presented in [15]. Dragon, flap, twig fractal array antennas are proposed to fulfill the requirements such as abated side-lobe levels and wide variation between the main ... See full document

... Phased Array has been used in field as diverse as Radar, Communications, Electronic Warfare, & Radio ...Phased Array continues to contribute to the defence of many countries and valuable platforms such ... See full document

... an antenna array with E-shaped antenna element has been design to improve the gain, BW and ...multiple antenna elements, exited through single feed point via the transmission ... See full document

... single design. This antenna was developed by Brown in 1998 ...reconfigurable antenna can be seen at its switches that are being used as the RF switch to change the antenna ... See full document

... each antenna signal are generated in the digital domain using the Harris HSP50214 programmable down ...The beam forming system described in this paper is being used to evaluate the processing requirements ... See full document

... quasi-Yagi antenna with broad band characteristics designed by ...uniplanar antenna with broadband ...dipole array antenna is fed by a microstrip-to-coplanar strip transition, and uses the ... See full document