cpm_modulator.m

CPM调制的线性均衡器

function cpm_data_vector = cpm_modulator(cpm_param,input_data_vector)
disp('CPM modulation process has started!');

phase_vector=zeros((cpm_param.samples_per_frame),1);
cpm_state.current_phase=cpm_param.initphase;
cpm_state.preIk=cpm_param.initIk;

for i=1:(cpm_param.symbols_per_frame)
    cpm_state.Ik=input_data_vector(i);
    start_index=(i-1)*(cpm_param.samples_per_symbol)+1;
    end_index=i*(cpm_param.samples_per_symbol);
    [phase_vector(start_index:end_index),cpm_state.current_phase]=cpm_phase_encoder(cpm_param,cpm_state);
    cpm_state.preIk=cpm_state.Ik;
end

cpm_data_vector.sine=sin(phase_vector);
cpm_data_vector.cosine=cos(phase_vector);
save('modulation_waveform.mat','cpm_data_vector');

disp('CPM modulation process has finished!');