Impulse Response

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16 Oct 2007
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Could someone give me some guidance on how to find the Impulse Response Function. Also if anyone is proficient in MATLAB some hints on how I could plot it in MATLAB would be a great help

System X is described by the expression:

y(n) =
fsgddb4.jpg


I want to find the Impulse Response Function (h(n)).

The Impulse Response of the system is obviously the output response after it recieves an 'impulse'. Where the impulse signal consists of a single 'pulse' at time 0 having amplitude 1. The concept seems awfully simple but somehow it is still causing me problems.
 
Could someone give me some guidance on how to find the Impulse Response Function. Also if anyone is proficient in MATLAB some hints on how I could plot it in MATLAB would be a great help

System X is described by the expression:

y(n) =
fsgddb4.jpg


I want to find the Impulse Response Function (h(n)).

The Impulse Response of the system is obviously the output response after it recieves an 'impulse'. Where the impulse signal consists of a single 'pulse' at time 0 having amplitude 1. The concept seems awfully simple but somehow it is still causing me problems.


n = zeros(21)
n(11) + 1;
x_scale = [-10:10]
Then just program in the function
with inputs of n insied a for loop.

use the plots function to find the result.


The IR is just the function reponse to a diaric delta function, which is zeo everywhere and 1 at the origin.
 
My very helpful housemate says
"You're going to need to integrate something over something, probably. The MATLAB function 'quad' does numerical integration, maybe useful for what you want, sorry, I've forgotton everything useful and I have an exam monday so help me god."

Sorry :(

Burnsy
 
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