Three croaks of a crow
three croaks of a crow
In "The Last of the Mohicans," the gesture Hawkeye gave to Duncan Heyward was a signal to keep quiet and not make any noise. It was meant to warn Heyward of potential danger or an enemy's presence nearby. Hawkeye's gesture was a nonverbal way to communicate and ensure their safety in the forest.
suggest another circiut for generating the ASK signal
Carrier
One caveman waving at another to signal"over here".
Stop light is another name for a traffic signal.
communication
Transmission Media
Near end crosstalk
digital signal processor
The radio signal itself, of course, is not an energy transformation - energy transformation means that energy is changed from one type to another. There is an energy transformation when the radio signal is created, and another one when it is absorbed.
Signal: Behavior that causes a change in another animal's behavior.Communication: is the reception of and response to signals.Both of them work together to affect another animal's behavior.