Giuseppe Addamo
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View article: On beam characterization of ground-based CMB radio telescopes using UAV-mounted sources: application to the QUIJOTE TFGI and plans for LSPE-Strip
On beam characterization of ground-based CMB radio telescopes using UAV-mounted sources: application to the QUIJOTE TFGI and plans for LSPE-Strip Open
The Large Scale Polarization Explorer (LSPE) project, funded by the Italian Space Agency (ASI), includes the development of LSPE-Strip, a ground-based radio telescope for observing Cosmic Microwave Background (CMB) anisotropies. LSPE-Strip…
View article: Investigation into Applicability of 3D-Printed Composite Polymers with Enhanced Mechanical Properties in the Development of Microwave Components
Investigation into Applicability of 3D-Printed Composite Polymers with Enhanced Mechanical Properties in the Development of Microwave Components Open
Additive manufacturing is currently regarded as one of the enabling technologies for Space Economy since it allows for the reduction of lead time and costs of payloads and platforms. Typically, metal-based additive manufacturing technologi…
View article: Feasibility Study on Additive Manufacturing of Feed Horn Operating in D-Band
Feasibility Study on Additive Manufacturing of Feed Horn Operating in D-Band Open
This paper presents the outcomes of a feasibility study on the manufacturing of D-band horn antennas through the Low Power Bed Fusion process. Different prototypes have been realized and tested, showing nice results in terms of the co-pola…
View article: Feasibility Study on AM Manufacturing of Feed Horn Operating in D-Band
Feasibility Study on AM Manufacturing of Feed Horn Operating in D-Band Open
This paper presents the outcomes of a feasibility study on the manufacturing of D-band horn antenna through Low Power Bed Fusion process. Different prototypes have been realized and tested showing nice results in terms of co-polarization c…
View article: Ridged Apertures for LEO Direct Radiating Arrays in Ka-Band
Ridged Apertures for LEO Direct Radiating Arrays in Ka-Band Open
This paper presents an extensive performance analysis of open-ended waveguide elements for direct radiating arrays with a high scan angle (±50° /60°). The evaluated designs are based on square and hexagonal apertures loaded with ridges. Bo…
View article: Open-ended Ridged Waveguide Elements for LEO Direct Radiating Arrays in Ka-band
Open-ended Ridged Waveguide Elements for LEO Direct Radiating Arrays in Ka-band Open
This paper presents an extensive performance analysis of open-ended waveguide elements for direct radiating arrays with high scan angle (± 50º/60º). The evaluated designs are based on square and hexagonal apertures loaded with ridges. Both…
View article: Effect of thermal treatments on the surface electrical conductivity of AlSi7Mg produced by laser powder bed fusion
Effect of thermal treatments on the surface electrical conductivity of AlSi7Mg produced by laser powder bed fusion Open
View article: Electromagnetics-Aware Path for UAV-Based Near-Field Antenna Measurements Implemented With a High Dynamic Range SDR
Electromagnetics-Aware Path for UAV-Based Near-Field Antenna Measurements Implemented With a High Dynamic Range SDR Open
View article: List of Reviewers
List of Reviewers Open
View article: List of Reviewers
List of Reviewers Open
View article: How 3D-Printing Is Changing RF Front-End Design for Space Applications
How 3D-Printing Is Changing RF Front-End Design for Space Applications Open
3D-printing is leading to a major transformation in many industrial and application sectors, ranging from medical to aerospace. In the space sector, 3D-printing has firstly been adopted for the development of structural and thermal parts, …
View article: List of Reviewers
List of Reviewers Open
View article: List of Reviewers
List of Reviewers Open
View article: Author Index
Author Index Open
Solving the RFID network planning problem
View article: Additive Manufacturing of RF Waveguide Components
Additive Manufacturing of RF Waveguide Components Open
The exponential growth of publications, in the last years, on the use of additive manufacturing (AM) technologies in the microwave field proves the increasing interest of research institutions and industries in these techniques. Some advan…
View article: The LSPE-Strip beams
The LSPE-Strip beams Open
In this paper we describe the design and characterization of the optical system of LSPE/Strip, a coherent polarimeter array that will observe the microwave sky from the Teide Observatory in Tenerife in two frequency bands centred at 43 and…
View article: Large Horizontal Near-Field Scanner Based on a Non-Tethered Unmanned Aerial Vehicle
Large Horizontal Near-Field Scanner Based on a Non-Tethered Unmanned Aerial Vehicle Open
A horizontal planar scanner with an approximate size of 40 m m has been implemented using the Unmanned Aerial Vehicle (UAV) technology. The UAV is not wired to the ground to maintain the flexibility and short setup time of a non-tethered …
View article: The LSPE-Strip feed horn array
The LSPE-Strip feed horn array Open
In this paper we discuss the design, manufacturing and characterization of the feed horn array of the Strip instrument of the Large Scale Polarization Explorer (LSPE) experiment. Strip is a microwave telescope, operating in the Q- and W-ba…
View article: Measurement of the LOFAR-HBA beam patterns using an unmanned aerial vehicle in the near field
Measurement of the LOFAR-HBA beam patterns using an unmanned aerial vehicle in the near field Open
An unmanned aerial vehicle (UAV) is exploited to characterize in situ the high-band antennas (HBAs) of the low-frequency array (LOFAR) CS302 station located in Exloo, The Netherlands. The size of an HBA array is about 30 m. The Fraunhofer …
View article: Very High Q-Factor Bandpass Filter Using Additive Manufacturing
Very High Q-Factor Bandpass Filter Using Additive Manufacturing Open
<p>A spherical bandpass filter is presented. The main feature of the proposed filter is the use of the spherical mode TE 101 , which presents a higher unloaded Q-factor than the fundamental mode and its proximate higher order modes. …
View article: Preliminary Studies on CIMR Antenna Pattern Brightness Temperature Compensation
Preliminary Studies on CIMR Antenna Pattern Brightness Temperature Compensation Open
Spaceborne microwave radiometry provides an essential contribution to monitoring the Earth with varying spatial resolution both related to the reflector dimension and the frequency of operation. The ESA's Copernicus imaging microwave radio…
View article: Enhanced Efficiency and Reduced Side Lobe Level Convex Conformal Reflectarray
Enhanced Efficiency and Reduced Side Lobe Level Convex Conformal Reflectarray Open
In this work, the design of a convex conformal reflectarray (CRA), suitable to be used for high gain on board antenna in mobile communication systems, is presented. The reflector is not planar, as in usual reflectarray configurations, but …
View article: Dual-Band Piecewise-Linear Profile Feed-Horns for the Copernicus Imaging Microwave Radiometer Mission
Dual-Band Piecewise-Linear Profile Feed-Horns for the Copernicus Imaging Microwave Radiometer Mission Open
This letter presents the design strategy and the experimental results on the Ku/Ka dual-band feed-horn developed within the Phase A/B1 study of the Copernicus imaging microwave radiometer, which is one of the new six expansion missions of …
View article: Thermal Vacuum Cold Target for the Metop SG MicroWave Imager
Thermal Vacuum Cold Target for the Metop SG MicroWave Imager Open
The assessment of the Metop-SG microwave imager radiometric performance is based on a complete set of thermal vacuum tests. Such an extensive experimental campaign requires the development of large calibration targets (black bodies) with c…
View article: 3D Printing of a Monolithic K/Ka-Band Dual-Circular Polarization Antenna-Feeding Network
3D Printing of a Monolithic K/Ka-Band Dual-Circular Polarization Antenna-Feeding Network Open
In this paper, a Ka/K-band antenna-feeding network in dual-circular polarization is reported. The design of the system was carried out in view of its monolithic manufacturing through selective laser melting in AlSi10Mg alloy. As a proof-of…
View article: High-performance microwave waveguide devices produced by laser powder bed fusion process
High-performance microwave waveguide devices produced by laser powder bed fusion process Open
Additive manufacturing technologies are currently envisaged to boost the development of a next generation of microwave devices intended for satellite telecommunications. Due to their excellent electromagnetic and mechanical properties, met…
View article: Modeling, Design and Experimental Characterization of the Q-band OMTs and Polarizers for the STRIP-LSPE Balloon Experiment
Modeling, Design and Experimental Characterization of the Q-band OMTs and Polarizers for the STRIP-LSPE Balloon Experiment Open
This paper reports on the Q-band polarizers and ortho-mode transducers developed for the STRatospheric Italian Polarimeter (STRIP) coherent multi-feed instrument. A split-block design of groove polarizers and an ad-hoc assembly procedure h…