Many exciting developments are underway at TICRA, as evidenced by recent and upcoming releases of new EM tools. One of the big news is the release of GRASP 10, which sets new standards for...
Many exciting developments are underway at TICRA, as evidenced by recent and upcoming releases of new EM tools. One of the big news is the release of GRASP 10, which sets new standards for...
A general, accurate, and efficient stand-alone commercial program for antenna diagnostics, DIATOOL, has been developed by TICRA. The software reconstructs the field or the equivalent currents on a...
GRASP has for many years constituted the de facto standard in the space community for advanced reflector antenna modeling. The tool has furthermore found widespread use in the earth station...
The possibility of employing the same spacecraft at several orbital locations, changing the coverage region, and compensating for varying weather conditions are the main reasons why reconfigurable...
In a quasi-optical network the beams are usually focused and guided through the system by means of curved and planar mirrors. Physical Optics (PO) is an accurate analysis tool for these elements,...
A direct approach to the design of a multi-focal antenna system for the reception from several satellites along the orbital arc is presented. The method is based on optimising the reflector shape...
Results are presented of investigations with a laboratory model of a reconformable reflector for MM and sub-MM applications. A configuration with 19 actuators to control the surface has been...
The new light-weight reflector antenna technology being used by several spacecraft companies requires accurate electromagnetic modelling of the reflector surface properties. In particular, the new...
A mechanically controllable reflector has been manufactured by using an electroformed Nickel shell supported and controlled by 19 actuators. If such a system is used as subreflector in a...
The analysis of a polarisation-sensitive reflector system consisting of two individual reflecting surfaces is described. A procedure is given by which all the predictable scattering effects that...
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