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Silas Oettinghaus
2023-05-15 10:32:24 +02:00
parent c2804fe2a0
commit 55db794162
4 changed files with 190 additions and 16 deletions
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16
comm_tb.m
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@@ -16,7 +16,6 @@ kover = 16;
fsimu = kover * fdac ;
%SIMULATE
for i = 1:log2(M)
@@ -28,7 +27,6 @@ pamData = pam_mapping(bitpattern,M,0);
shapedData = applyPulseShaping(pamData,fsym,fdac);
awg = AWG('preset','M8196A','fdac',fdac,'kover',kover,'lpf_active',1);
awgSignal = awg.process_channel(shapedData);
@@ -43,7 +41,12 @@ laserfield = eml.process(filtered);
att = Amplifier("amplification_db",10,"amp_mode","gain","type","ideal","saturation_mode",0,'saturation_power',10);
att_out = att.process(laserfield);
%fib = Fiber("fiber_length",2,"alpha",0.2,"D",17,"lambda0",1550);
fib = Fiber("fsimu",fdac*kover,"fiber_length",20,"alpha",0.2,"D",17,"lambda0",1550);
fib_out = fib.process(att_out);
phdiode = Photodiode("fsimu",fdac*kover,"dark_current",2e-08,"responsivity",1,"temperature",20);
phdiod_out = phdiode.process(fib_out);
figure;
@@ -53,6 +56,7 @@ plot(awgSignal,'DisplayName','skew 0');
plot(filtered,'DisplayName','filtered');
plot(abs(laserfield),'DisplayName','laser');
plot(abs(att_out),'DisplayName','att_out');
plot(abs(fib_out),'DisplayName','att_out');
hold off
@@ -139,8 +143,4 @@ function yout = applyPulseShaping(xin,fsym,fdac)
warning('Check signal length after pulse shaping');
end
end
function yout = applyBandwidthLimitation(xin)
data_out=ifft(repmat(state.H,1,size(data_in,1)).*fft(data_in.')).';
end
end