Custom Stereo Foldable Headphone
Parabolic Dish Antenna
A parabolic dish antenna is a type of antenna that uses a parabolic reflector to focus radio waves onto a single point, called the focal point. The parabolic shape of the reflector allows the antenna to have a high gain, meaning it can receive or transmit signals over long distances.
The parabolic dish antenna consists of a metal reflector, usually made of aluminum, with a parabolic shape. The reflector is curved in such a way that all incoming radio waves are reflected off its surface and converge at the focal point. At the focal point, there is a feed horn, which is a device that sends or receives the radio waves.
The parabolic shape of the reflector is important because it allows the antenna to have a high gain. The gain of an antenna is a measure of its ability to focus radio waves in a specific direction. The larger the reflector, the higher the gain. This is because the larger the reflector, the more radio waves it can collect and focus onto the focal point.
Parabolic dish antennas are commonly used for point-to-point communication, where two antennas are used to send signals to each other over a long distance.