What is the antenna ?
Best insight from top research papers
An antenna is a metallic structure that captures and/or transmits radio electromagnetic waves . It consists of a radiating element, an adaptable surface with variable impedance, and a controller that controls the adaptable surface based on the desired direction of the electromagnetic wave . The radiating element and the adaptable surface are integrated within a housing, which forms a recess for the waves and has an opening for the electromagnetic wave to be emitted to the outside . Antennas efficiently transmit and receive radio waves, providing a transition between guided electromagnetic waves and free space . They are used in various practical applications such as ship navigation, aircrafts, air traffic control, satellites, and radio and TV broadcasting . Antennas can also include additional components such as substrate, signal lines, ground conductors, and reflective units .
Answers from top 5 papers
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| Papers (5) | Insight |
|---|---|
| The paper is about an antenna design. It provides details about the structure and components of the antenna, but it does not explicitly define what an antenna is. | |
| The paper is about an antenna for receiving and transmitting radio signals. It consists of a reflective unit with a central reflective element and peripheral reflective elements, as well as at least one radiation unit. | |
| An antenna is an electromagnetic device that efficiently transmits and receives radio waves, providing a transition between guided electromagnetic waves and free space. | |
| An antenna is a metallic structure that captures and/or transmits radio electromagnetic waves. | |
| The paper is about an antenna for transmitting and/or receiving an electromagnetic wave. The antenna comprises a radiating element, an adaptable surface with variable impedance, and a controller. |
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