Definitions from the Web
Directional Antenna
A directional antenna, also known as a directive antenna, is an antenna designed to transmit or receive signals in a specific direction. It focuses its radiation pattern into a beam, allowing for increased signal strength and range in the desired direction while reducing interference from other directions.
Senses & Usages:
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Wireless Communication:
In wireless communication, directional antennas are commonly used to establish point-to-point or point-to-multipoint connections over long distances. These antennas are predominantly used in applications such as Wi-Fi networks, cellular communication, and satellite communication.
Sample Sentence: The directional antenna on the rooftop boosted the Wi-Fi signal, providing high-speed internet access to the entire neighborhood.
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Television Broadcasting:
Directional antennas play a crucial role in television broadcasting by enabling broadcasters to transmit their signals to a specific geographic area. These antennas are used in both analog and digital broadcasting systems.
Sample Sentence: The local news channel improved its coverage by installing a powerful directional antenna, reaching more homes in the neighboring towns.
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Amateur Radio:
Directional antennas are widely used in amateur radio (ham radio) to establish long-distance communication. These antennas allow operators to target their transmissions towards specific regions or other amateur radio stations.
Sample Sentence: The amateur radio operator eagerly assembled his directional antenna to communicate with fellow hams across the country.
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