How does noise jammer work?

Answer 1

The principle of operation of a noise jammers works on the basis of learn and replicate. the jammer is in most cases associated with a frequency scanner system which identifies the operating frequencies in audio or Rf ranges. based on the detected type of transmission, the jammer emits signals which are similar in characteristics to the noted signal, thus the receiver of radio or Radar whichever is to be noise jammed is now looking at two signals , one from the original source and the other from the jammer. this in turm complicated the listening process and JAMMS its ability to discern the true signal from the false one. Another way of jamming is to forget about first listening and then jamming, all that needs to be done is to identify the frequency band which is to be jammed and direct significant amount of power/ noise form the jammer in that band. this will debilitate the reception of all channels operating in the jammed frequency range and prevent the receiver from receiving the intended signal.