What is the basic shape of a wave generated by a transmitter?

The basic shape of a wave generated by a transmitter is a sine wave. This waveform is fundamental in the study of signal processing and telecommunications.

Sine waves represent a smooth, continuous oscillation and are characterized by their single frequency with no harmonics, making them the simplest form of wave. This uniform shape allows for efficient transmission of information over various media, such as radio waves in wireless communication. The sine wave's predictable pattern makes it essential for understanding modulation techniques used in transmitting data, as they can easily be manipulated without losing integrity.

While other waveforms like square and triangular waves do exist and have their applications, they are more complex and contain multiple frequencies, which can complicate the transmission of signals. Therefore, the sine wave is the foundational shape for understanding wave propagation in many engineering and communication contexts.