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Engineering and Comp Sci Homework Help
Is This System Time Invariant?
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[QUOTE="ttttrigg3r, post: 4539126, member: 348942"] [h2]Homework Statement [/h2] y(n)=x(4n+1). Is this system T.I or NOT T.I The professor marked this question wrong for my homework. He says it's NOT time invariant. I proved it is time invariant. [h2]Homework Equations[/h2] System is time invariant if a shift in time in input results in the same shift in time when the output is shifted. [h2]The Attempt at a Solution[/h2] shift in the x: y1=x(4(n-n0)+1) y2=shift in y=y(n-n0)=x(4(n-n0)+1) They are the same, therefore they system is time invariant. The professor marked this problem wrong for me, and he gave me the run-around when I asked for him to prove it. Did I do this right? [/QUOTE]
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Is This System Time Invariant?
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