Essays about: "Strålningsmönster"
Showing result 1 - 5 of 6 essays containing the word Strålningsmönster.
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1. Antenna measurements of HF antennas using low cost UAVs
University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)Abstract : High-frequency signal far-field measurement systems usually involve the use of complex and expensive equipment, since the measurements must be made at a distance of multiple wavelengths from the antenna. Helicopter surveyors are commonly utilized. READ MORE
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2. Ray Tracing Algorithm for Dielectric Domes
University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)Abstract : Almost hemispherical scanning capabilities are required for modern wireless communication systems to produce broad coverage without performance degradation. Phased array antennas are commonly used as a fully-electronic beam-steering solution for its rapidity in beam switching. READ MORE
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3. Design of a Dielectric Radome using a Ray-Tracing Model for Satellite Communications
University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)Abstract : In recent years, there has been a huge increase in the use of satellite communications. This has led to a need for more capacity, which can be solved by moving towards higher frequency bands in search of higher bandwidths. READ MORE
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4. Geodesic Lens Antenna for sub-THz Imaging
University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)Abstract : The Millimiter Wave (mmW) frequency band, characterized by a high atmospheric attenuation and wide available bandwidth has become of big interest for high accuracy radar imaging applications. The continuous development of the Monolithic Microwave Integrated Circuit (MMIC) technology yields to the appearance of different commercial-off-the-shelf (COTS) radar transceivers at that frequency band, where the antennas are fully integrated into the chip. READ MORE
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5. An investigation on the possibility for bandwidth improvement of dielectric antennas via modification of their geometry
University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)Abstract : The dielectric antenna is an interesting alternative to a metallic antenna. This is mainlydue to its low manufacturing cost and the possibility to fabricate complex antennageometry with the aid of additive manufacturing (AM). Sophisticated AM technologyprovides new degrees of freedom in shaping the outer and inner geometry of antennas. READ MORE