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2. Special Topics in Information Technology

Author

Riva, Carlo G.

Subjects
Electronics, Bioengineering, Computer Engineering, Politecnico di Milano, bic Book Industry Communication::T Technology, engineering, agriculture::TH Energy technology & engineering::THR Electrical engineering, bic Book Industry Communication::M Medicine::MQ Nursing & ancillary services::MQW Biomedical engineering, bic Book Industry Communication::U Computing & information technology::UT Computer networking & communications
Abstract

This open access book presents outstanding doctoral dissertations in Information Technology from the Department of Electronics, Information and Bioengineering, Politecnico di Milano, Italy. Information Technology has always been highly interdisciplinary, as many aspects have to be considered in IT systems. The doctoral studies program in IT at Politecnico di Milano emphasizes this interdisciplinary nature, which is becoming more and more important in recent technological advances, in collaborative projects, and in the education of young researchers. Accordingly, the focus of advanced research is on pursuing a rigorous approach to specific research topics starting from a broad background in various areas of Information Technology, especially Computer Science and Engineering, Electronics, Systems and Control, and Telecommunications. Each year, more than 50 PhDs graduate from the program. This book gathers the outcomes of the best theses defended in 2021-22 and selected for the IT PhD Award. Each of the authors provides a chapter summarizing his/her findings, including an introduction, description of methods, main achievements and future work on the topic. Hence, the book provides a cutting-edge overview of the latest research trends in Information Technology at Politecnico di Milano, presented in an easy-to-read format that will also appeal to non-specialists.

Published
2023
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15. The Physical Basis of Atmospheric Depolarization in Slant Paths in the V Band: Theory, Italsat Experiment and Models.

Author

Paraboni, Aldo, Martellucci, Antonio, Capsoni, Carlo, and Riva, Carlo G.

Subjects
POLARIZATION (Electricity), MATHEMATICAL analysis, TRANSFER matrix, ATMOSPHERIC waves, TELECOMMUNICATION satellites, MEASUREMENT, DATA analysis
Abstract

After a review of the physical/mathematical definitions of anisotropy and canting angle, parameters currently used for describing the depolarization of electromagnetic waves due to hydrometeors, we present some specific algorithms to retrieve these parameters from measurements of the atmospheric polarization transfer matrix, based on data collected during the Italsat propagation experiment at 50 GHz in a slant path with elevation angle 37.7^\circ. The data analysis, conducted after applying particular “ad hoc” procedures and severe editing, allowed to separate in many cases the ice- from the rain-effects, both in single events and statistically. We also present mathematical models derived from the observed behavior of the descriptive parameters, hopefully applicable also in different conditions. [ABSTRACT FROM AUTHOR]

Published
2011
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