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multiplying any function with the 'gate' or 'window' function etc.

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dougy83

Well-Known Member
Q1: the signal is not 'shifted' but scaled. Yes, if 1/a<1 then the resultant would be smaller than the original

Q2: any power of t is symmetrical about the y axis. For any even power, both sides of the y axis will only have positive values for t^EVEN . For any odd power, the negative side of the axis will have negative values for t^ODD and the positive side of the axis will be positive; as they are symmetrical they have the same (but opposite sign) area and consequently adding them together results in zero.
 
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PG1995

Active Member
Thank you, Dougy.

Your replies were very helpful.

Regards
PG

PS: Fore more help on the Q2, please use this or the attached PDF.
 
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