A linear system is a system that responds to input linearly. A spring-point-mass system is an example because the point-mass’s displacement (output) is proportional to the applied force (input). We can also say that the equation of motion that governs the dynamics of a linear system is a linear differential equation. The coefficient of all the terms is constant.

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Linear Systems and Frequency Domain Analysis

  • Sanichiro Yoshida

摘要

A linear system is a system that responds to input linearly. A spring-point-mass system is an example because the point-mass’s displacement (output) is proportional to the applied force (input). We can also say that the equation of motion that governs the dynamics of a linear system is a linear differential equation. The coefficient of all the terms is constant.