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Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 7 of 7 for “"High-Gain Antenna"”.
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Advanced Design Methodologies and Novel Applications of Reflectarray Antennas
Reflectarray antennas combine the numerous advantages of printed antenna arrays and reflector antennas and create a hybrid high-gain antenna with a low-profile, low-mass, and diversified radiation performance. Reflectarrays are now emerging as the new generation of high-gain antennas for …
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Distribution power level by GSM900 base station for RF energy harvesting
… operating at microwave frequency. Rectenna is a high gain antenna receiver that's good in rectifiers able to converse radio frequency (RF) energy to DC (direct current) power is an evidence of achievement in the field of electronic microwave. With the rapid development in the field of wireless …
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Exploring the Concept of a Deep Space Solar-Powered Small Spacecraft
… that acts as both a solar concentrator and a high gain antenna. This paper explores a working design concept for a small spacecraft to operate up to 100 astronomical units (AU) from the sun. Deployable reflector designs, thermal and radiation environments, communications and power …
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Precise orbit determination of the Mars Odyssey spacecraft and geodetic inversion for the Martian gravity field
… density). To obtain such results, many high-precision data sets and models are combined: electromagnetic wave propagation, with tropospheric and ionospheric corrections; tracking station positions, including tidal and tracking station corrections; solar and thermal radiation; ephemerides …
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Superdirectivity and the Application of Complementary Split Ring Resonators in Directivity Enhancement of Millimeter-Wave Antennas
… absorption and material losses, millimeter wave antennas suffer from low radiation performance. Motivated by this limitation, this work investigates superdirectivity for millimeter wave antenna designs. Superdirectivity happens when a radiating body exceeds its maximum theoretical directivity …
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Broadband Approaches And Beam-Scanning Techniques For Reflectarray Antenna
<p>Reflectarray antennas combine the numerous advantages of reflector antennas and phased array antennas and create a hybrid high-gain antenna with a low-profile, low-mass, easy-fabrication, and diversified radiation performance. However, it still has some inherent drawbacks, such as limited …
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Design and Implementation of a Real-Time Environmental Monitoring Lab with Applications in Sustanibility Education
… and uses the campus wireless network through a high-gain antenna to transmit data to remote clients in real-time. Its power budget consisting of consumption (14 W), electrical storage, and generation (80 W, peak) is balanced to enable 24/7 operation regardless of weather conditions. An embedded …