Verified answer

there are many types of signals, what kind of it?

1-deterministic

a-periodic

b-aperiodic

c-stationary

d-nonstationary

e-etc....

2-stocastic

a-rader signal

b-biomedical signals

c-speech and audio and music signals

d-image signal 2D signal

e-etc......

be more accurate

Eng\Ayman

You may have more luck if you phrase your question a little differently.

What kind of signals are you talking about? Radio?

Do you want to know what the basic properties are?

if you could see my hands they would be signaling ,,,what kind of signals are you refering to