Antennas for wireless communications apparatus refer to the devices that are used to transmit and receive electromagnetic waves in the wireless communication system. These antennas are designed to convert electrical signals into electromagnetic waves that can be transmitted through the air, and vice versa. The performance of wireless communication systems is highly dependent on the quality and efficiency of the antennas used. Antennas for wireless communications apparatus come in various shapes and sizes, and their design is based on the frequency and bandwidth of the signals they are intended to transmit or receive. The basic function of an antenna is to radiate electromagnetic waves into space, or to capture them from space. The efficiency of an antenna is determined by its ability to radiate or capture the maximum amount of energy in a given direction. The most common types of antennas used in wireless communication systems are dipole antennas, patch antennas, helical antennas, and parabolic antennas. Each of these antennas has its own unique characteristics and is used for specific applications. Dipole antennas are the simplest and most common type of antenna used in wireless communication systems. They consist of two conductive elements that are placed parallel to each other and are fed with a signal. Patch antennas are another type of antenna that is commonly used in wireless communication systems. They are flat and rectangular in shape and are used for applications that require a low profile antenna. Helical antennas are used for applications that require circular polarization, such as in satellite communication systems. Parabolic antennas are used for long-range communication applications, such as in satellite communication systems and radar systems. In conclusion, antennas for wireless communication apparatus are essential components of wireless communication systems. Their design and performance are critical in determining the efficiency and effectiveness of wireless communication systems. The choice of antenna depends on the specific application and the frequency and bandwidth of the signals that need to be transmitted or received.
wireless communication, electromagnetic waves, dipole antennas, patch antennas, helical antennas, parabolic antennas
CITATION : "Matthew Johnson. 'Antennas For Wireless Communications Apparatus.' Design+Encyclopedia. https://design-encyclopedia.com/?E=285192 (Accessed on February 05, 2025)"
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