A signal as referred to in communication systems, signal processing, and electrical engineering “is a function that conveys information about the behavior or attributes of some phenomenon”. In the physical world, any quantity exhibiting variation in time or variation in space (such as an image) is potentially a signal that might provide information on the status of a physical system, or convey a message between observers, among other possibilities.
A signal
is a real (or complex) valued function of one or more real variable(s).
When the function depends on a single variable, the signal is said to be onedimensional.
A speech signal, daily maximum temperature, annual rainfall
at a place, are all examples of a one dimensional signal.When the function
depends on two or more variables, the signal is said to be multidimensional.
An image is representing the two dimensional signal,vertical and horizontal
coordinates representing the two dimensions. Our physical world is four
dimensional(three spatial and one temporal).
R.VAISHNAVI
A signal is a physical quantity which varies with respect to time,space … design and analysis of systems that manipulate physical signals.
R.VAISHNAVI
A signal is a physical quantity which varies with respect to time,space … design and analysis of systems that manipulate physical signals
RANJIT VARADARAJAN
A signal as referred to in communication systems, signal processing, and electrical engineering “is a function that conveys information about the behavior or attributes of some phenomenon”. In the physical world, any quantity exhibiting variation in time or variation in space (such as an image) is potentially a signal that might provide information on the status of a physical system, or convey a message between observers, among other possibilities.
A signal is a physical quantity which varies with respect to time,space . design and analysis of systems that manipulate physical signals
bm2rnjg8
A signal
is a real (or complex) valued function of one or more real variable(s).
When the function depends on a single variable, the signal is said to be onedimensional.
A speech signal, daily maximum temperature, annual rainfall
at a place, are all examples of a one dimensional signal.When the function
depends on two or more variables, the signal is said to be multidimensional.
An image is representing the two dimensional signal,vertical and horizontal
coordinates representing the two dimensions. Our physical world is four
dimensional(three spatial and one temporal).
A signal is a physical quantity which varies with respect to time and space and is used for analysis in various kinds of operations.