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超宽带定位系统中的两种信号形式

clear;
tx=1;
c0=10^(-47/20);
d=2;
gamma=1.7;
[rx,ag]=cp0801_pathloss(tx,c0,d,gamma);
TMG=ag^2;
[bits,THcode,Stx,ref]=cp0201_transmitter_2PPM_TH;
SRX0=Stx.*ag;
numpulses=2000;
exno=[0 3 6 9];
[output,noise]=cp0801_Gnoise2(SRX0,exno,numpulses);
fc=50e9;
[h0,hf,OT,ts,X] = cp0802_IEEEuwb(fc,TMG);
SRX=conv(Stx,hf);
SRX=SRX(1:length(Stx));
RX(1,:)=SRX+noise(1,:);
RX(2,:)=SRX+noise(2,:);
RX(3,:)=SRX+noise(3,:);
RX(4,:)=SRX+noise(4,:);
C=SRX+noise(1,:);
figure(1);
hold on;
grid on;
plot(C,'r');
axis([0 10e-8 -8e-4 6e-4]);