Educational objectives GENERAL
The module provides a consistent knowledge of phenomena, materials, devices, and optical and microwave techniques for space systems, remote sensing and earth observation applications. The student will acquire the expertise to design and to evaluate performance of most microwave and optical sensor systems, including the radiating system.
SPECIFIC
• Knowledge and understanding: knowledge of phenomena, materials, devices optoelectronic and microwave techniques related for the transmission of information, including antennas for space appliations, antenna arrays, the radiometer, the polarimetric radar (including elements of GNSS Reflectometry), fiber optic sensor systems and the lidar systems.
• Applying knowledge and understanding: capabilities to design and to evaluate performance of devices according to the specifications provided, both by lectures and laboratory experiences for space applications.
• Making judgements: expertise to design and to evaluate performance of most optical and microwave components for sensing.
• Communication skills: capabilities to communicate in both written and oral form on the contents of the course, by means of written reports and oral discussions both in the classroom and during the exam.
• Learning skills: capabilities to learn the contents of the course by several means using lecture notes, books, technical and scientific literature available on web, laboratory experiences.
MOD. OPTICAL SENSORS
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GENERAL
The module provides a consistent knowledge of phenomena, materials, devices and optical techniques for space systems, remote sensing and earth observation applications. The student will acquire the expertise to design and to evaluate performance of most optical sensor systems, including fiber optic sensor systems and the lidar systems.
SPECIFIC
• Knowledge and understanding: knowledge of phenomena, materials, devices optoelectronic techniques related for the transmission of information.
• Applying knowledge and understanding: capabilities to design and to evaluate performance of devices according to the specifications provided, both by lectures and laboratory experiences for space applications.
• Making judgements: expertise to design and to evaluate performance of most optical components for sensing.
• Communication skills: capabilities to communicate in both written and oral form on the contents of the course, by means of written reports and oral discussions both in the classroom and during the exam.
• Learning skills: capabilities to learn the contents of the course by several means using lecture notes, books, technical and scientific literature available on web, laboratory experiences.
MOD. MICROWAVE SENSORS
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To know and understand the basic theoretical principles of microwave theory and the operation of microwave remote sensing systems, including the radiating system.To acquire knowledge and skills for the performance analysis of some types of antennas for space applications.
To know and understand the operating principle of an antenna array. To know and understand the operating principle of two microwave remote sensing sensors: the Radiometer and the Polarimetric Radar (including elements of GNSS Reflectometry).
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Educational objectives GENERAL
The course introduces satellite payloads for telecommunications and radar, together with their operating principles. For each of the two payloads: (i) the applications are studied, as well as their performance requirements; (ii) its complete reference space system is analyzed, with its typical space mission; (iii) the main design parameters are identified that have impact on the performance; (iv) the performances are studied as functions of the design parameters and; (v) the platform requirements are analyzed to ensure the correct operation.
As regards telecommunications payloads, satellite broadcast is considered, together with point-to-point data connection, satellite personal communication system, ground transfer of Earth observation data and telemetry. The modulation and coding techniques are studied in depth, together with the antenna systems and their impact on the platform and set-up, and the electrical power sizing.
As regards radar payloads, synthetic aperture radar (SAR) is considered for the formation of high resolution images. The techniques of pulse compression and synthetic antenna formation are studied in depth, together with the antenna systems and their impact on the platform and set-up, electrical power sizing.
SPECIFIC
Knowledge and understanding: At the end, the student has acquired a basic knowledge on the two types of payload considered, on their main design parameters, and on the space systems and missions that are based on them.
Applying knowledge and understanding: at the end of the course the student has acquired the ability to evaluate critically both the payload selection, based on the selection of its main parameters according to operational requirements (from the user requirements), and its integration with the platform.
Making judgements: at the end of the course the student has developed the autonomy of judgment necessary to integrate knowledge on the different types of payloads, to manage the complexity of the technologies used in the various space missions, and to evaluate their performance in the various application contexts.
Communication skills: at the end of the course the student is able to operate in a highly multi-disciplinary context communicating and interacting with information technology design engineers for space, with specialist technicians and non-specialist interlocutors.
Learning skills: at the end of the course the student is able to autonomously investigate the new technologies used in the future evolutions of satellite systems.
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Educational objectives The Electronics for Space Systems course aims to provide the tools for understanding the figures of merit, the project requirements, and the circuit topologies of the subsystems that compose a satellite payload for telecommunications in integrated technology.
Specific learning objectives:
- Understanding and use of the main figures of merit of a radio-frequency electronic system on satellite, and of the main subsystems that compose it: amplifier, mixer, PLL, filter
- Analysis of the most used circuits to create these subsystems in integrated technology
- Understanding the block diagram and components of the satellite power system
- Analysis of the functional limits of electronic devices and circuits in the space environment, and hints to the techniques of Radiation-Hardening of integrated circuits
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Educational objectives The course illustrates the basic estimation and filtering methodologies. The student will be able to use the most important estimation techniques and to formulate and study optimization problem of different kinds.
Specific objectives
- Knowledge and understanding
The student will learn the estimation and filtering methodologies for being applied to different frameworks.
- Use knowledge and understanding
The student will be able to formulate an estimation problem and design the optimal estimate, by implementing it to evaluate the consequent results
- Communication skills
The course will allow the student to communicate and share the main problems in specific application fields, by focusing on the possible design procedures and evaluating their strength or weakness
- Learning skills
The course will empower the analytical skills of the student, from the problem analysis to the study of the available scientific literature and down to the design and implementation.
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Educational objectives - Understand spatial geodesy techniques (GNNS, VLBI, SLR) for the georeferencing of spatial data and methods for multi-temporal processing of optical remote sensing data, radar and lidar.
- Develop skills on space geodesy and satellite and aerial remote sensing techniques for the control, monitoring and prevention of natural or anthropogenic risks that involve degenerative processes on the environment and on the territory (hydrogeological instability, coastal erosion, storage pollution of waste and industrial areas, state of vegetation, etc.)
- Understand the methods and tools for the construction of WEBGIS and georeferenced databases, from urban to territorial scale, useful for the management of goods production systems and the provision of sustainable services (e.g. control of the stability of buildings and infrastructures, maintenance of technological and transport networks, management of green areas, etc.)
- Experience on experimental data in the thematic laboratory to be developed on real case studies
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Educational objectives The module aims to provide basic and broad-spectrum knowledge on remote sensing systems for observing the Earth from aircraft and satellite and on the European Union Copernicus services for monitoring our planet and its environment with the use of satellite data. Copernicus services concern the management of the land and major renewable and non-renewable resources, the marine environment, the atmosphere, and environmental safety in a context of sustainable use of resources and the impact on climate change. The module describes, with a systems approach, the requirements and general characteristics of the system in relation to the final application. It illustrates the physical bases of remote sensing and simple models of electromagnetic interaction with natural means useful for the interpretation of data. It illustrates or recalls the operating principles of the main remote sensing sensors in the different regions of the electromagnetic spectrum. It illustrates the main techniques of remote sensing data processing for the purpose of generating application products, also with the aid of computer exercises. It provides an overview of the information on the terrestrial environment (atmosphere, sea, vegetation, etc.) detectable in the different bands of the electromagnetic spectrum. It describes the main Earth Observation space missions, and the most significant characteristics of the products supplied to end users.
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Educational objectives To know rules for first phase satellite power system design. To manage
relationship between power system and the whole spacecraft system.
To know sizing and outlining procedures for: photovoltaic generators, distribution
circuits, energy storage systems, and electrical protection system.
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