fig, ax = plt.subplots(1, 1, figsize=(10, 7))
ax.plot(FTs[0][0], FTs[0][1], 'k', linewidth=1)
ax.set_xlabel(r'Frequency [s$^{-1}$]', fontsize=17)
ax.set_ylabel('Fractional Amplitude', fontsize=17)
ax.tick_params(axis='both', which='major', labelsize=15)
plt.savefig("Figures/FTExample.pdf", bbox_inches='tight')