How to solve a noise added differential equation?

3 次查看（过去 30 天）
Ms. Sita
Ms. Sita 2022-2-8
评论： Ms. Sita 2022-2-11
I want to study the stoichastic resonance in the duffing oscillator. The duffing oscillator equation with noise is term is given as,
,
where is the white gaussian noise and f is the forcing amplitude. My question is how to solve it and how to find corresponding signal to noise ratio(SNR)?

请先登录，再回答此问题。

采纳的回答

Benjamin Thompson
I would model the differential equation in Simulink. Integrator blocks will you enter initial values for x(0) and xdot(0). Solve your equation for the second derivative of x, calculate that in Simulink using blocks, and then integrate that twice to get x(t). You must feed x, xdot, and xdotdot back to complete the equation in blocks in Simulink. Go to your textbook for their definition of SNR, really not sure what they would want.
For additional help, give your problem a try then ask specific questions about problems using Mathworks software.

更多回答（0 个）

类别

在 Help Center 和 File Exchange 中查找有关 Block Libraries 的更多信息

标签

产品

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!

Translated by