carrier wave
waveform (usually sinusoidal) that is modulated (modified) with an input signal for the purpose of conveying information
en-GB/ˈkæɹɪə ˈweɪv/
en-US/ˈkɛɹiɚ ˈweɪv/
waveform (usually sinusoidal) that is modulated (modified) with an input signal for the purpose of conveying information