Antenna systems are essential components in communication technology, enabling the transmission and reception of radio waves. They convert electrical signals into electromagnetic waves and vice versa, facilitating wireless communication for devices like cell phones, radios, and satellites. Antennas come in various shapes and sizes, each designed for specific frequencies and applications. These systems can be classified into different types, such as dipole antennas, parabolic antennas, and array antennas. The design and placement of an antenna significantly affect its performance, including factors like gain, directivity, and bandwidth. Properly engineered antenna systems are crucial for effective communication in both civilian and military applications.