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DSP in MATLAB - impulse responses, calculation of output

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amindzo

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DSP in MATLAB

Hi, i'm new in DSP and i have solve some problems, here is the problem:

Given a causal FIR filter described by the following equation:
y[n]= x[n]-2x[n-1]+3x[n-2]
a) Find the filter impulse response Answer:h[n]=?
b) Using MATLAB find the output when the input to the filter is x[n]=[1 -3 4 0 5 6 1 -2 3]
Answer: y[n]=?
 

Homework?
 

To answer the first question you must obviously compute the impulse response, to do that, you replace:
\[x[n] = \delta [n]\] where \[ \delta [n]\] is the unit impulse(kroneker delta)
and you get:
\[y[n] = h[n] = \delta [n]-2\delta [n-1]+3\delta[n-2]\]
that's it!
For the second point, use Matlab
 
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Re: DSP in MATLAB

amindzo said:
Hi, i'm new in DSP and i have solve some problems, here is the problem:

Given a causal FIR filter described by the following equation:
y[n]= x[n]-2x[n-1]+3x[n-2]
a) Find the filter impulse response Answer:h[n]=?
b) Using MATLAB find the output when the input to the filter is x[n]=[1 -3 4 0 5 6 1 -2 3]
Answer: y[n]=?
Click to expand...


No homework solutions here. Try your self and ask when you are stuck
 

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