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DESIGN OF AIRBORNE DIGITAL COMPUTERS
Lecture 2
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DESIGN OF AIRBORNE DIGITAL COMPUTERS

Lecture 2

5. Kotelnikov's theorem

4. Signal recovery methods (extrapolation and interpolation)

3. Sampling and quantization

2. Classification of signals

1. ABDC's architecture, the main units

Plan

RAM

ROM

Architecture of airborne digital computers

Discrete time - discrete value

Continuous time - discrete value

Continuous value - discrete time

Sampling - the process of converting an analog signal to discrete one.

The signals can be:

  • analog
  • discrete
  • digital

Analog and discrete signals using the example of current in the microphone circuit

Sampling

The process of measuring the instantaneous values of continuous-time signal in a discrete form.

Quantization

Each sample voltage is rounded off (Quantized) to the closest available level and then converted to its correspondence code.

Least square method (LS)

Difference between Interpolation and Extrapolation

Signal recovery methods (extrapolation and interpolation)

What is Interpolation and Extrapolation ?

The chose of sampling interval

Kotelnikov´s theorem

Aliasing and Nyquist

Kotelnikov´s theorem

Thanks!

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