Continuous Wave Modulation

Continuous Wave (CW) modulation is a method of transmitting information by modifying a steady, unchanging carrier wave over time. Instead of sending pulses or bursts, the wave remains continuous while its properties—such as amplitude, frequency, or phase—are altered to encode data. For example, in amplitude modulation, the wave's strength varies to represent different signals. This technique is fundamental in radio communications, allowing signals to be sent over long distances efficiently. CW ensures that the basic signal is always present, with the information embedded through subtle changes, making it a reliable and straightforward method for transmitting data wirelessly.