Answer / anurag

It is response of a system when impulse signal is inputed
to the system.

Answer / noor g

impulse response of the system is response of the system
when the input is impulse
impulse response is calculated to look at the behavior of
the system by inserting some other signals which may be a
shifted version of impulse responses

Answer / scientiest

it is the mathamatical function that describe the outpou
wave form when the input is exited by unit impulse.

Answer / vijay lohan

a dyanmic system responce at a signal that point is called
impelse responce

Answer / wattoo

Impulse response is the response of a system to a unit impulse at its input.

Any signal can be considered(approximated) as a stream of impulses (These impulses will be immeasurably close to each other in continuous signals, and will be 1 sample apart for discrete signals). These are not unit impulses. (they have magnitude not necessarily 1). So the response of the system to this impulse should be a scaled form of 'unit impulse response'.

So the output of the system for a certain signal can be considered as the superposition of impulse response due to all the impulses in the input signal. This process of scaling the unit impulse response according to the i/p signal values and adding them all is convolution.

Answer / vijeesh

it is response of the system to impulse and which is entirely depend on system parameters

Answer / manjunath

" it is the inverse laplace tansform of tranfer function H(s)"

Answer / sachida

Impulse response is the response of the system in time domain.

Answer / amitesh ranjan

It is the response of a system when any input signal
multiplied by an impulse function is fed as input and whose
input output relationship (transfer function)is directly
indicated by the laplace transform of input signal.

Answer / vivek sharma

in mathematical term it is response when U(n) is applied ie
value is 1 for n>=0 n zero forn<0

an unknown semiconductor has Eg=1.1ev and Nv=Nc.it is doped with 10^15 donors,where the donor level is 0.2ev below Ec. given that Ef is 0.25ev below Ec, calculate ni and the concentration of electrons and holes in the semiconductor at 300k.

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