Linear, recursive difference equation example

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Noisy, discrete-time waveform 

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Experiment #1

Difference equation definition 
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Initial condition and constant α 
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Time domain 
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Frequency domain 
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Filter frequency response 
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Experiment #2

Difference equation definition 
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Initial condition and constant α 
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Time domain 
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Frequency domain 
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Filter frequency response 
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Experiment #3

Difference equation definition 
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Initial condition and constant α 
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Time domain 
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Frequency domain 
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Filter frequency response 
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Converted by Mathematica      January 28, 2003