👉 In radio engineering, a homodyne system is an antenna that measures only one of two frequencies. It is often used in radar systems to detect and track aircraft or other objects on the ground when they are not transmitting. The term "homodyne" comes from the Greek word for "home," which means "where" or "within," as it refers to a system where the output signal is only one of two possible signals that can be received. In this context, it's used in
