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From the Ground Up

Chapter 0

What is in this chapter?

Signals and systems and digital technologies

Complex numbers and Phasors

• Applications

Analog or discrete?

Soft introduction to MATLAB - numerical and symbolic

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• Adaptive Noise Canceller

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Basic Circuit Laws

Kirchhoff’s current law [KCL]

At any node (junction) in an electrical circuit, the sum of currents flowing into that node is equal to the sum of currents flowing out of that node

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Basic Circuit Laws

Kirchhoff’s voltage law [KVL]

The directed sum of the electrical potential differences (voltage) around any closed network is zero

Basic Circuit Elements

Resistor:

Capacitor:

Inductor:

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Differentiator and Integrator

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Leonard Euler (1707-1783), SwissAdvisor: John BernoulliStudent: Joseph Lagrange

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