PERFORMANCE ANALYSIS OF VIBRATION ISOLATION SYSTEM BASED ON FORCED OSCILLATION OF SPRING OSCILLATOR IN NON-INERTIAL FRAME

Spring oscillator and its forced vibration is an important model in physics and has wide applications in engineering field. Ground vibration noise is the vital constraint in many precision measurement experiments. Most of the schemes to isolate and suppress ground vibration noise are based on the response characteristics of spring oscillators. Aiming at the vibration isolation system based on spring oscillator, this paper proposes a method to analyze the performance of vibration isolation system in non-inertial frame by directly quoting the response characteristics of forced vibration of spring oscillator and introducing inertial forces, and gives a simple analysis example. The introduction of the analysis method based on non-inertial reference frame in university physics teaching can help students to understand the vibration isolation characteristics of spring oscillators, and also strengthen the teaching on the connection and application of multiple knowledge points in physics.