Function diagnose_passband_window 

pub fn diagnose_passband_window(
    pkt_audio: &[f32],
    cfg: &OfdmConfig,
) -> PassbandDiagnostics

Produces diagnostics for one passband packet window.

Parameters:

• pkt_audio: passband packet waveform window.
• cfg: modem configuration. Returns:
• PassbandDiagnostics: sync/CFO/equalization diagnostics.