Why does the detector not work FHSS?

I am trying to reproduce the detector from the article attached in the file. The problem is that the sequence cannot be detected. Probably something is wrong with the sampling rate or something. Can you take a look and tell me what's wrong with the model?

[Jorge García García-Serrano]

Have you been able to resolve it? Because i have the same problem. I wil thank your help.

[Red]

Noooo ((