Signal processing on computer is called digital

  • No School
  • AA 1
  • 37

This preview shows page 8 - 20 out of 37 pages.

Signal Processing on Computer is called Digital Signal Processing Dr Sajjad Zaidi - DSP 8
Image of page 8

Subscribe to view the full document.

Signal Types Continuous Time Discrete Time Dr Sajjad Zaidi - DSP 9 Continuous Mag Discrete Mag
Image of page 9
Digital Signal Processing Vs Signal Processing Conventional Signal Processing Digital Signal Processing Dr Sajjad Zaidi - DSP 10
Image of page 10

Subscribe to view the full document.

Digital vs Analog Signal Processing Pros Noise performance - quantized signal Use a general computer - flexibility, upgrde Stability/duplicability Novelty Cons Limitations of A/D & D/A Baseline complexity Power consumption DSP Example Dr Sajjad Zaidi - DSP 11
Image of page 11
Dr Sajjad Zaidi - DSP 12 Operations on Signals
Image of page 12

Subscribe to view the full document.

Signal Sampling Discrete time signal often obtained by sampling a continuous-time signal Sequence {x[n]} = x a (nT), n=… - 1,0,1,2… T= sample Period; 1/T= sample frequency Dr Sajjad Zaidi - DSP 13
Image of page 13
Operation on Signals Sequences Can write a sequence by listing values Arrow indicates where n=0 Can we identify x[-1] = x[0] = x[2] = Dr Sajjad Zaidi - DSP 14
Image of page 14

Subscribe to view the full document.