+## model_ctf refers to the Contrast Transfer Function propagation model. use 1 if you want to simulate propagation with the CTF model, or 0 otherwise.
+## should be equal to 0 or 1
+% model_ctf = 1
+% model_ctf = 0
+
+## model_Fresnel refers to the Fresnel propagation model. Use 1 if you want to simulate propagation with the fresnel model, or 0 otherwise.
+## should be equal to 0 or 1
+% model_Fresnel = 1
+% model_Fresnel = 0