Search for dissertations about: "thesis on satellite communication"

Showing result 21 - 25 of 44 swedish dissertations containing the words thesis on satellite communication.

2. 21. The Anticoincidence System of the PAMELA Satellite Experiment : Design of the data acquisition system and performance studies

   Author : Johan Lundquist; Mark Pearce; Tony Weidberg; KTH; []
   Keywords : NATURVETENSKAP; NATURAL SCIENCES; PAMELA; satellites; astroparticle physics; electronics; anticoincidence system; trigger system; Astroparticle physics; Astropartikelfysik;

   Abstract : PAMELA is a satellite-borne cosmic ray experiment. Its primary scientific objective is to study the antiproton and positron components of the cosmic radiation. This will be done with unprecedented statistics over a wide energy range (~10MeV to ~100GeV). READ MORE

4. 22. Reliable and Efficient Distributed Machine Learning

   Author : Hao Chen; Ming Xiao; Mikael Skoglund; Yan Zhang; KTH; []
   Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Distributed machine learning; federated learning; communication efficiency; decentralized optimization; Electrical Engineering; Elektro- och systemteknik;

   Abstract : With the ever-increasing penetration and proliferation of various smart Internet of Things (IoT) applications, machine learning (ML) is envisioned to be a key technique for big-data-driven modelling and analysis. Since massive data generated from these IoT devices are commonly collected and stored in a distributed manner, ML at the networks, e.g. READ MORE

5. 23. Coexistence, Deployment and Business Models of Heterogeneous Wireless Systems Incorporating High Altitude Platforms

   Author : Zhe Yang; Blekinge Tekniska Högskola; []
   Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Wireless communication; Coexistence; High altitude platforms; Resource sharing; Capacity; Business model; Techno-economic;

   Abstract : The increased demand for broadband communications has led to the rapid development of the conventional terrestrial and satellite wireless communications systems. One of the main challenges to next generation wireless systems is to deliver high-capacity and cost-efficient solutions to cope with an increasing usage of broadband services and applications. READ MORE

6. 24. Processing and On-Wafer Test of Ferroelectric Film Microwave Varactors

   Author : Jang-Yong Kim; Alexander Grishin; Dag Winkler; KTH; []
   Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; : ferroelectrics; sodium potassium niobates; silver tantalite niobate; barium strontium titanate; thin films; pulsed laser deposition; rf magnetron sputtering; coplanar waveguide; photolithography; Electrical engineering; electronics and photonics; Elektroteknik; elektronik och fotonik;

   Abstract : Microwave materials have been widely used in a variety of applications ranging from communication devices to military satellite services, and the study of materials properties at microwave frequencies and the development of functional microwave materials have always been among the most active areas in solid-state physics, materials science, electrical and electronic engineering. In recent years, the increasing requirements for the development of high speed, high frequency circuits and systems require complete understanding of the properties of materials function at microwave frequencies. READ MORE

7. 25. Strategies of power in multilingual global broadcasters : How the BBC, CNN and Aljazeera shape their Middle East news discourse

   Author : Leon Barkho; Lars-Åke Engblom; Robert Picard; Golam Rahman; Jönköping University; []
   Keywords : SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Media and communication studies; Medie- och kommunikationsvetenskap; Middle East; Mellanöstern;

   Abstract :  This study deals with the Middle East reporting of three gigantic media companies which together are largely responsible for refining and shaping our views of events in the world. The informational and communicative arm of these giants – Aljazeera, the BBC and CNN – is unprecedented in the history of human communication. READ MORE