The Effect of High-Frequency Parametric Excitation on a Stochastically Driven Pantograph-Catenary System

<table>Mean and variance of the amplitude of the slow system (<a href="https://static.hindawi.com/articles/sv/volume-2014/792673/figures/#EEq12">12</a>).</table>

Shock and Vibration

fig7

Figure 7

Figure 7: The Effect of High-Frequency Parametric Excitation on a Stochastically Driven Pantograph-Catenary System 