A sampled sine wave 1.0 0.5 - - PowerPoint PPT Presentation

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a sampled sine wave
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A sampled sine wave 1.0 0.5 - - PowerPoint PPT Presentation

Jan 10, 2023 837 likes •920 views

A sampled sine wave 1.0 0.5 r(t) 0.0 0.5

slide-1
SLIDE 1

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ATEX

A sampled sine wave

  • 5

10 15 20 −1.0 −0.5 0.0 0.5 1.0 t r(t)

  • 4 levels; -0.75; -0.25; 0.25; 0.75
  • Decision thresholds: -0.5; 0; 0.5
slide-2
SLIDE 2

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ATEX

Adding ISI

+

d

  • 0.4

gain

slide-3
SLIDE 3

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ATEX

What we receive

input = sin(t/3)

  • 5

10 15 20 −1.0 −0.5 0.0 0.5 1.0 t r(t)

slide-4
SLIDE 4

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ATEX

What we receive (cont.)

input = sin(1.4 × t)

  • 5

10 15 20 −1.0 −0.5 0.0 0.5 1.0 t r(t)

slide-5
SLIDE 5

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ATEX

With equalization (time domain)

  • input = sin(t/3)
  • e(t) = r(t) + 0.4 r(t − 1) + 0.16 r(t − 2)
  • 5

10 15 20 −1.0 −0.5 0.0 0.5 1.0 t r(t)

slide-6
SLIDE 6

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ATEX

With equalization (time domain)

  • input = sin(3t)
  • 5

10 15 20 −1.0 −0.5 0.0 0.5 1.0 t r(t)