green sine wave

acoustic acoustics amplifier amplify amplitude audio audiowave axis background beam black cathode chart copy copyspace crt decibel diagram display drawing electromagnetic electron electronics equipment fourier frequency glow glowing green illuminate illuminated illustration luminance modulate modulated modulation oscillate oscillation oscilloscope pattern phase pitch radio rave ray science scientific screen shock simulation sine sinusoidal smooth sonar sonic sound space speech synth synthesis synthesiser synthesizer technology television telly test text textspace tone tube vibration wave wavelength