Contributions to the design of sub-reflectarrays

E'qab Almajali
In this thesis we show how the ellipsoidal and hyperboloidal subreflectors, which are used in dual reflector antenna systems, can be emulated by reflectarrays (hereafter referred to as sub-reflectarrays). To achieve this we derive the basic design equations required to provide the proper phase correction at each element of the sub-reflectarray to end up with radiated amplitude and phase patterns that are indeed close to those of the emulated ellipsoidal or hyperboloidal subreflectors. To calculate...
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