@FFT SW (EveIR)
Not currently in use. Currently set to be the same as the received Alice signal.
- Decide whether to use the data of @FFT_FILE (EveIR).
*Is store as '''fft_sw''' in the fortran code.
example
@FFT_SW .FALSE.
Which mean the simulator won't use the data in @FFT_FILE (EveIR).