Antonio Guidoni - Academia.edu (original) (raw)

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Papers by Antonio Guidoni

Research paper thumbnail of Conformal Antennas and Integrated Design Procedures

At present radio communications and radio assistance services aboard aircrafts and helicopters ar... more At present radio communications and radio assistance services aboard aircrafts and helicopters are generally scattered among a number of antennas and sensors across the whole airframe. This policy, which is probably convenient from the point of view of equipment procurement, inevitably causes installation problems on medium/small aircraft, helicopters and UAVs, where only a reduced portion of the airframe surface is usually available for antenna location. Consequently, performance reductions have to be accepted, both due to antenna pattern distortion from the aircraft structures and to EMI among the sensors. This problem will probably become even more serious on multi-role vehicles, where different requirements have to be satisfied depending on the mission goal. A possible solution to the problem of antenna proliferation could be found in the field of conformal and multi-band antennas. An activity of analysis, modelling and evaluation has been performed and has dealt with the follow...

Research paper thumbnail of A Design Framework for Integrated Modelling of Spacecraft Antenna

As known, spacecraft antenna design is an ever- demanding task, due to the tight requirements on ... more As known, spacecraft antenna design is an ever- demanding task, due to the tight requirements on performance and the small available space. Moreover, the trend of installing array antennas onboard makes this task even more complex. For this reason, every antenna design must be verified against its installation constraints, in term of pattern distortion, due to interaction with spacecraft structure, inter-antenna coupling with nearby antennas, which can be remarkable due to the reduced available space, and generation and propagation of passive inter- modulation products (PIM), that can seriously affect the performance of transponders. For the above reasons, a Design Framework has been developed in the frame of an ESA contract. In this activity, European universities, industry and research centers cooperated in order to integrate within a single environment different prediction codes providing the required modeling capabilities. The system is able to guide the user from the antenna de...

Research paper thumbnail of Conformal Antennas and Integrated Design Procedures

At present radio communications and radio assistance services aboard aircrafts and helicopters ar... more At present radio communications and radio assistance services aboard aircrafts and helicopters are generally scattered among a number of antennas and sensors across the whole airframe. This policy, which is probably convenient from the point of view of equipment procurement, inevitably causes installation problems on medium/small aircraft, helicopters and UAVs, where only a reduced portion of the airframe surface is usually available for antenna location. Consequently, performance reductions have to be accepted, both due to antenna pattern distortion from the aircraft structures and to EMI among the sensors. This problem will probably become even more serious on multi-role vehicles, where different requirements have to be satisfied depending on the mission goal. A possible solution to the problem of antenna proliferation could be found in the field of conformal and multi-band antennas. An activity of analysis, modelling and evaluation has been performed and has dealt with the follow...

Research paper thumbnail of A Design Framework for Integrated Modelling of Spacecraft Antenna

As known, spacecraft antenna design is an ever- demanding task, due to the tight requirements on ... more As known, spacecraft antenna design is an ever- demanding task, due to the tight requirements on performance and the small available space. Moreover, the trend of installing array antennas onboard makes this task even more complex. For this reason, every antenna design must be verified against its installation constraints, in term of pattern distortion, due to interaction with spacecraft structure, inter-antenna coupling with nearby antennas, which can be remarkable due to the reduced available space, and generation and propagation of passive inter- modulation products (PIM), that can seriously affect the performance of transponders. For the above reasons, a Design Framework has been developed in the frame of an ESA contract. In this activity, European universities, industry and research centers cooperated in order to integrate within a single environment different prediction codes providing the required modeling capabilities. The system is able to guide the user from the antenna de...

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