where can i find phase difference dataset, where i have data with a specific phase difference set?

i am experimenting with phase differencebetween 2 vibrational sine waves, i have validated my model with the data directly created in code, i needed to verify my model with the real time datasets, i am unable to find datasets with recorded phase difference so that i can validate my model.

Itll be of great help if i get some real time dataset for phase difference where the phase difference is recorded.