function [eq_signal,eq_noise,ber,numErrors] = duobinary_target(EQ, MLSE,M, rx_signal, tx_symbols, tx_bits)
    
    %Duobinary Targeting

    [eq_signal, eq_noise] = EQ.process(rx_signal,Duobinary().encode(tx_symbols));

    % dir = [1,1];
    eq_signal = MLSE.process(eq_signal);

    eq_signal = Duobinary().decode(eq_signal);

    % M = numel(unique(tx_symbols.signal));
    rx_bits = PAMmapper(M,0).demap(eq_signal);

    [~,numErrors,ber,~] = calc_ber(rx_bits.signal,tx_bits.signal,"skip_front",100,"skip_end",150,"returnErrorLocation",1);
    
end