Transcription of EI2400 Applied Antenna Theory Lecture 8: Reflector antennas
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EI2400 Applied Antenna Theory Lecture 8: Reflector antennas
School of Electrical Engineering EI2400 Applied Antenna Theory Lecture 8: Reflector antennas Reflector antennas Reflectors are widely used in communications, radar and radio astronomy. The largest Reflector Antenna in the world is the radio telescope in Arecibo which has a spherical Reflector with a diameter of 300m. KTH School of Electrical Engineering 2. Parts of a Reflector Antenna Reflector antennas can have many different forms. Normally they consist of one or more reflectors which are designed to collimate an incident plane wave by reflection and transmission via each Reflector to a focal point at a convenient location. - The first Reflector on reception is the largest and is called the main Reflector . - The next Reflector is called the sub- Reflector . The feed Antenna is located in the focal point. - It is normally a horn Antenna or a dipole above a ground plane. KTH School of Electrical Engineering 3.
EI2400 Applied Antenna Theory Lecture 8: Reflector antennas. ... •Reflector antennas can have many different forms. •Normally they consist of one or more reflectors which are designed to collimate an incident plane wave by ... 12 P.-S. Kildal, “Foundations of Antennas: A Unified Approach for ...
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