Noise floor a A receiver input signal that produces an audio output of the same strength as the internally generated noise in ... radiated from the ignition system or electrical system of a vehicle and causing interference to the reception of radio signals. ... The amplitude of the complex wave is displayed over changing time.
|Title||:||The ARRL Extra Class License Manual|
|Author||:||Larry D. Wolfgang, Dana G. Reed, R. Jan Carman|
|Publisher||:||Amer Radio Relay League - 2002|