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Digital Signal Processing

By Admin on

Basic Concepts about Signal:
 
A Signal carries information and can be described as a function of independent variables in mathematics.

Classification of Signal:

1.analog signal

2.digital signal

Signal Processing:

Representation, transformation and manipulation of signals and the information they contain.

Signal operation include:

(1) Transform, filter, inspection, spectrum analysis;

(2) Modulation and coding;

(3) Analog Signal Processing;

(4) Digital Signal Processing.

APPLICATIONS:

IMAGE PROCESSING

  1. Pattern recognition
  2.  Robotic vision
  3.  Image enhancement
  4.  Satellite weather map
  5.  animation

INSTRUMENTATION & CONTROL:

  1. Spectrum analysis
  2.  Position and rate control
  3.  Noise reduction
  4.  Data compression

SPEECH & AUDIO

  1. Speech recognition
  2.  Speech synthesis
  3.  Text to speech
  4.  digital audio

Biomedical

  1. Patient monitoring
  2.  Scanners
  3.  ECG (Electrocardiograph)
  4.  X-ray storage/enhancement

MILITARY:

  1. Secure communication
  2.  Radar processing
  3.  Sonar processing
  4.  Missile guidance

Consumer applications;

  1. digital, cellar mobile phones
  2.  universal mobile telecommunication system
  3.  digital television
  4.  digital camera
  5.  internet music, phones and video
  6.  digital answer machines, fax and modems
  7.  voice mail system
  8.  interactive entertainment systems




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