why NMSE approaches 5?

[wang-777]

Hi,
using your code, there is a problem,
I wonder why NMSE approaches 5?

Looking forward to your early reply

[shobhitt10]

Hi, can you please help me in finding the nmse as its code is not present in the git repo. I wonder how did you plot the graph.

[xuelianp]

Hi，I didn't find the NMSE code on git, can you share how you plotted the curves and I would appreciate it if you could send me an attachment.