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A novel design of printed ${V}$ -band quasi-parabolic reflector antenna is discussed. Two possible excitation methods are proposed which are used subsequently to design a more complex antenna with beam-steering capability. The radiation performance of the designed antenna is studied using full-wave simulations based on the finite-element method. The simulation results are verified experimentally.
A design of printed V-band quasi-parabolic reflector antenna is discussed. A novel planar feeding method is proposed for this antenna which later is used to achieve beam-steering capability. The radiation performance of the designed antenna is studied using full-wave simulations based on finite-element method.
Active-loaded antenna elements (i.e. radiating elements being connected to active devices with gain, e.g. Gunn diodes and amplifiers) can be used to design optimized reflectarrays with enhanced performance overcoming the undesirable illumination edge taper. It is shown that the reflecting surfaces formed by active-loaded periodic structures, can be used for power-combining and hence, improving the...
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