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Unformatted text preview: Systems exist all around us, in many different forms. Some systems include: Transducer transform signals from one form to another (voltage to acoustic) Filter remove noise or undesired frequencies from signals amplifier increase or decrease amplitude of a signal motors, generators, modulator, demodulator, mixer In EE 3120 systems will be modeled as a black box. The black box system will have at least one input terminal and one output terminal. System i input signals, excitation, or cause k output signals, response, or effect ( ) i x t ( ) k y t Linear Systems and Signals Lecture 2: Systems EE3120 Chapter 1 Lecture 4 Introduction to Systems Systems A signal can be applied or measured at any terminal, input or output. The contents or structure of the black box may or may not be known, and can be found by observation or derivation using the physical laws of the system. Ex. Circuits can be modeled mathematically using Kirchoffs laws. There are three main areas of system study: mathematical modeling analysis Design This course will mainly deal with analysis, but will also cover mathematical modeling....
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This note was uploaded on 02/06/2012 for the course EE 2120 taught by Professor Aravena during the Fall '08 term at LSU.
 Fall '08
 ARAVENA
 Volt

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