9 351 sampling 2

9 351 sampling 2 - Fourier Transforms: Filtering...

Info iconThis preview shows pages 1–9. Sign up to view the full content.

View Full Document Right Arrow Icon
1 1 Fourier Transforms: Filtering Application 2 Filtering With a Low-Pass Filter 5 Hz low pass filter 5 Hz low pass filter
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
2 3 5 Hz low pass filter Filtering With a Low-Pass Filter 5 Hz low pass filter 4 Filtering With a Low-Pass Filter 5 Hz low pass filter 5 Hz low pass filter
Background image of page 2
3 5 Filtering With a Low-Pass Filter 0.5 Hz low pass filter 0.5 Hz low pass filter 6 Filtering With a Low-Pass Filter 0.5 Hz low pass filter 0.5 Hz low pass filter
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
4 7 Filtering With a Low-Pass Filter 0.5 Hz low pass filter 0.5 Hz low pass filter 8 Filtering With a Low-Pass Filter 0.5 Hz low pass filter 1 sec
Background image of page 4
5 9 Analog vs Digital Signals 10 period, T Waveforms static y(t) = A 0 t y(t) A 0 periodic y(t + T ) = y(t) t y(t) A 0 step y(t) = A 0 U(t) t y(t) A 0 ramp y(t) = Kt 0 < t < t f t y(t) t f pulse y(t) = A 0 t 0 < t < t f t y(t) t f t=0 0 A 0 example: y(t) = A 0 + C sin( ω t+ φ ) average (DC offset) amplitude of AC component
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
6 11 Waveforms: Continuous vs Discrete digital signal Figure adapted from Figliola & Beasley analog signal A digital signal is discrete in both time and amplitude. An analog signal is continuous in both time and amplitude. 12 Waveforms: Continuous vs Discrete analog signal digital signal A digital signal is discrete in both time and amplitude.
Background image of page 6
7 13 Integrating Analog and Digital Devices 14 Chapter 7 Transducers are often analog. Controllers and data-acquisition systems are digital. Today: • introduce sampling and aliasing Lab next week: • experiment with sampling and aliasing The following week: • revisit sampling and aliasing They must communicate.
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
8 15 Waveforms: Continuous vs Discrete Figure adapted from Figliola & Beasley, Figure 7.2 analog signal ADC Æ An analog to digital converter
Background image of page 8
Image of page 9
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 19

9 351 sampling 2 - Fourier Transforms: Filtering...

This preview shows document pages 1 - 9. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online