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DT1130 HT19 (50000)
Hemtal 5
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Hemtal 5

  • Due 4 Dec 2019 by 8:15
  • Points 1
  • 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 LaTeX: f_sfs efter att först ha bandbegränsats med ett lågpassfilter till LaTeX: \frac{f_s}{2}fs2

a) Skissa LaTeX: \left|X\left(\omega\right)\right||X(ω)| - spektrum av LaTeX: x_1\left(t\right)x1(t)

b) Hur ska man välja LaTeX: f_sfs 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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Total points: 5 out of 5