Search for dissertations about: "dual-frequency"
Showing result 1 - 5 of 12 swedish dissertations containing the word dual-frequency.
-
1. Analysis of Conformal Antennas and Periodic Structures
Abstract : In the last decades much attention has been paid to the design of high-performance antennas. Accurate control of the radiation properties is very important in electromagnetic engineering applications. READ MORE
-
2. Modern numerical methods in electromagnetics applied to the design of reflector antennas and horn feeds
Abstract : .... READ MORE
-
3. On the analysis of soft surfaces, frequency selective surfaces and conformal antennas
Abstract : .... READ MORE
-
4. Sea Ice Concentration Estimation and Ice Type Classification from Dual-Frequency Satellite Synthetic Aperture Radar
Abstract : The sea ice cover in the Arctic has undergone dramatic changes in recent years. The perennial sea ice extent is decreasing by 12.2 % per decade while annual mean sea ice thickness has decreased by more than 2 m for the central Arctic Basin from 1975 to 2012. READ MORE
-
5. On the Analysis of Horns, Reflectors, and Periodic Structures
Abstract : The design and manufacturing of a dual-frequency horn is presented. The dual-depth corrugated horn is fed by a circular and a coaxial waveguide, in the upper and lower frequency band, respectively. The reason for choosing a waveguide-only feeding network is discussed. READ MORE