An antenna array is a group of individual antennas that work together to increase the overall performance of the system. It is widely used in various communication systems, including radar, wireless communication, and satellite communication. In this article, we will explore the meaning and definition of antenna array, its origin, and its associations.
Definitions
An antenna array is a group of antennas that work together to increase the overall performance of the system. It is used to improve the signal strength, directivity, and radiation pattern of the system. Antenna arrays can be classified into two types: active and passive. Active antenna arrays use electronic circuits to control the phase and amplitude of the individual antennas, while passive antenna arrays rely on the physical arrangement of the antennas to achieve the desired performance.
Origin
The concept of antenna arrays dates back to the early 20th century when radio communication was in its infancy. The first practical application of antenna arrays was in the form of directional antennas, which were used to improve the signal strength of radio communication systems. Over the years, antenna arrays have evolved into complex systems that are used in a wide range of applications, including radar, wireless communication, and satellite communication.
Meaning in different dictionaries
The meaning of antenna array is consistent across different dictionaries. According to the Oxford Dictionary, an antenna array is “a group of antennas that work together to increase the overall performance of the system.” The Merriam-Webster Dictionary defines it as “a group of antennas arranged in a specific pattern to achieve a desired radiation pattern or beam direction.”
Associations
Antenna arrays are associated with various fields, including electrical engineering, telecommunications, and aerospace engineering. They are used in a wide range of applications, including radar systems, wireless communication systems, and satellite communication systems. Antenna arrays are also used in scientific research to study the properties of electromagnetic waves.
Synonyms
Some synonyms of antenna array include antenna system, antenna cluster, and antenna group. These terms are used interchangeably to refer to a group of antennas that work together to achieve a desired performance.
Antonyms
There are no direct antonyms of antenna array, as it is a specific term that describes a group of antennas working together. However, the opposite of an antenna array would be a single antenna that operates independently.
The same root words
The root words of antenna array are antenna and array. Antenna refers to a device used to transmit or receive electromagnetic waves, while array refers to a group of similar objects arranged in a specific pattern.
Example Sentences
- The radar system uses an antenna array to detect the location of aircraft.
- The wireless communication system uses an active antenna array to improve the signal strength.
- The satellite communication system uses a passive antenna array to achieve a desired radiation pattern.
- The research team used an antenna array to study the properties of electromagnetic waves.
- The antenna array was arranged in a specific pattern to achieve a desired beam direction.