function rx_bits = rx_model(Rx,Ref,Phdiod,Lp_phdiod,Scpe,Eq,Pmap)

%%%%% Local Parameter %%%%%%%%
fsym = Ref.fs; 

    
%%%%%% Square Law %%%%%% 
    Rx_sig = Phdiod.process(Rx);
 
%%%%%% Lowpass PhDiode %%%%%%
    Rx_sig = Lp_phdiod.process(Rx_sig);
    % Rx_sig.spectrum("displayname","Received Signal after PhD","fignum",201);
    

%%%%%% Scope %%%%%% 
    Scpe_sig = Scpe.process(Rx_sig);
    Scpe_sig.plot("displayname","SIgnal after Scope","fignum",1999);
    % Scpe_sig.spectrum("displayname",'after scope','fignum',123);

    
%%%%%% Sample to 2x fsym %%%%%% 
    Scpe_sig =  Scpe_sig.resample("fs_in",Scpe.fadc,"fs_out",2*fsym);
    % Scpe_sig.plot('fignum',12345,'displayname','bla')
    

%%%%%% Sync Rx signal with reference %%%%%% 
   [Scpe_sig,D,cuts] = Scpe_sig.tsynch("reference",Ref,"fs_ref",fsym);

    
%%%%% EQUALIZE %%%%%%
    [EQ_sig] = Eq.process(Scpe_sig,Ref);
    % EQ_sig.normalize("mode","rms").plot('fignum',23,'displayname','before eq')
    

%%%%% DEMAP %%%%%%
    rx_bits = Pmap.demap(EQ_sig);
    
%%%% Look at Pam levels %%%%%
    if 1
    a = Pmap.separate_pamlevels(EQ_sig);
    figure(14);hold on;scatter(1:EQ_sig.length,a,1,'.');
    end

end