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%modulate_seq  調制序列產生子程序         即在每個擴頻碼片中加載 5個載波  每個載波采樣6個點
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function [modulate_seq]=modulate_seq(connections_1,begin_state_1,connections_2,begin_state_2)            %carrier_frequency   載波頻率   采用BPSK調制
%fc=carrier_frequency;                         %該程序中設定每個擴頻CHIP中含5個載波 每個載波6個采樣點 即45度間隔
eject_seq=eject_seq(connections_1,begin_state_1,connections_2,begin_state_2);
sample_value=[0 0.5 0.5 0 -0.5 -0.5 0 0.5 0.5 0 -0.5 -0.5 0 0.5 0.5 0 -0.5 -0.5 0 0.5 0.5 0 -0.5 -0.5 0 0.5 0.5 0 -0.5 -0.5];
A=length(eject_seq);
modulate_seq=zeros(1,6*A*5);
eject_seq1=eject_seq;
for i=1:A
    if eject_seq1(i)==1
        for j=1:30
            modulate_seq((i-1)*30+j)=sample_value(j);
        end
    elseif eject_seq1(i)==-1
        for j=1:30
            modulate_seq((i-1)*30+j)=-sample_value(j);
        end
    end
end
t=1:2075760;
stairs(t,modulate_seq);axis([0,2075765,-2,2]);