Publishers pdf, also known as version of record includes final page. Index termsreconfigurable antennas, reflectarrays, reflector antennas, array lenses, transmitarrays, lens antennas, antenna ar rays, microstrip. This is a pdf file of an unedited manuscript that has been accepted for publication. An enabling technology for nasas dualfrequency ace radar. To design and analyze this kind of antennas, a simple method based on an equivalent circuit model. Pdf analysis, design and applications of reflectarrays. The concept of reflectarray antennas was first conceived by berry, malech, and. Microstrip phasedarray antennas technische universiteit eindhoven. Pdf novel algorithm for designing reflectarray antennas. Design and analysis of microstrip patch antenna arrays. The final design of the proposed reflectarray antenna. Phased array fed reflector pafr antenna architectures for spacebased sensors michael cooley northrop grumman electronic systems 7323 aviation blvd. Because of their advantages if compared to phasedarrays and parabolic reflectors, reflectarray. The infinite array approach can be used, in principle for.
Reflect array antenna consists of an array of micro strip patches on the grounded dielectric substrate and is illuminated by a primary feed horn which is placed at a. Reflect array antennas pdf passive and reconfigurable reflectarray antennas, mostly for space applications. Dual frequency xband reflect array antenna using dual gap. Pdf reflectarray antenna consisting of circular disk elements. Several parameters of reflectarray antenna such as bandwidth performance and static phase range are discussed in this paper. Reflectarray antenna design with arbitrary incident and reflection. Novel approaches to the design of phased array antennas eecs. Phased arrays antennas and direction of arrival estimation.
The element is designed to be operated at kuband frequency and formed a solar reflect array antenna used for terrestrial applications. Antennas and propagation slide 24 chapter 4 general array synthesis procedure expand af in a cosine power series af is a polynomial in x, where xcos u choose a desired pattern shape polynomial of same order equate coefficients of polynomials. Pdf analytical model and practicle validation of phase. Novel algorithm for designing reflect array antennas based on analytical methods. Reflectarray antennas wiley online books wiley online library.
Array summation or farfield transforma tion of currents is then used to calculate the radiation pattern of the reflectarray antenna. Uneven dielectric reflectarray antennas request pdf. The first one is a lowprofile broadside radiating flat cassegrain reflectarray featuring a. Furthermore, an array antenna of 2 2 arrangement using cpfpra as element with a compact sequential rotation feeding scheme is also proposed and fabricated to enhance the gain and to improve the. Analytical model and practicle validation of phase variation of reflect array antenna article pdf available in procedia engineering 53. Pdf performance enhancement of array antennas using. Sparse array antenna signal reconstruction using compressive. Two reflectarrays are designed to justify the pro posed flbc and mssm. Reflectarray antennas have attracted special attention for implementing high gain antennas as they combine some advantages of phased arrays and reflectors, such aslow losses, ease of manufacture in flat panels, low cross polarization and the possibility of an electronic control the beam. Reconfigurable reflectarrays and array lenses for dynamic. The gain of these antennas is between the ranges between 8dbi to 20dbi.
Phased arrayfed reflector pafr antenna architectures. Also, for large apertures, a reflectarray in flat panels can be easier to. Analytical model and practicle validation of phase variation of. Reflect array antenna on hfss environment any ideas for a simple design thanks alot for your kind help regards what about array antennas and reflector combination on. Pdf research and development of reflectarray antennas. A simple reflect array antenna structure is proposed. Multiple unit steerable antenna array developed by friis and feldman for short. Radiation analysis approaches for reflectarray antennas.