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Due
4 Dec 2019 by
8:15
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Points
1
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Available
29 Oct 2019 at 0:00 - 31 Dec 2019 at 23:59
This assignment was locked 31 Dec 2019 at 23:59.
En analog sågtandsvåg x1(t) med frekvensen 1000 Hz samplas med samplingsfrekvensen
fs efter att först ha bandbegränsats med ett lågpassfilter till
fs2
a) Skissa
|X(ω)| - spektrum av
x1(t)
b) Hur ska man välja
fs om man vill behålla alla deltoner vars amplitud är minst en tiondel av den starkaste deltonens amplitud?
Tips: Utnyttja fourierserien för sågtandsvåg (se formelsamling)
1575443700
12/04/2019
08:15am
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