silas/imdd_silas
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Strengthen WDM and IM/DD optical tests

Browse Source
This commit is contained in:
Silas Oettinghaus
2026-03-25 08:07:31 +01:00
parent 0e6be4a584
commit 76be57515d
26 changed files with 1606 additions and 566 deletions
Download Patch File Download Diff File Expand all files Collapse all files

96
Tests/02_optical/Optical_Demultiplex_test.m
View File

@@ -1,10 +1,96 @@
classdef Optical_Demultiplex_test < IMDDTestCase
% Auto-generated placeholder for Optical_Demultiplex.
% Target: C:/Users/Silas/Documents/MATLAB/imdd_simulation/Classes/02_optical/Optical_Demultiplex.m
methods (Test, TestTags = {'unit', 'fast', 'optical', 'demux'})
function processReturnsOneCellPerChannelAndPreservesMetadata(testCase)
fs = 32e9;
lambdaCenterNm = 1310;
lambdaA = 1309e-9;
lambdaB = 1311e-9;
methods (Test, TestTags = {'placeholder', 'todo'})
function testNotImplemented(testCase)
testCase.assumeFail("Tests for Optical_Demultiplex are not implemented yet.");
sigA = makeOpticalSignal( ...
[1 2; 1 2; 1 2; 1 2], ...
fs, ...
lambdaA, ...
0.10);
sigB = makeOpticalSignal( ...
[3 4; 3 4; 3 4; 3 4], ...
fs, ...
lambdaB, ...
0.90);
mux = Optical_Multiplex( ...
"fs_in", fs, ...
"fs_out", fs, ...
"lambda_center", lambdaCenterNm, ...
"delta_f", 0, ...
"random_key", 0, ...
"attenuation", 0, ...
"filtype", 3, ...
"B", 200e9);
muxOut = mux.process({sigA, sigB});
demux = Optical_Demultiplex( ...
"fs_in", muxOut.fs, ...
"fs_out", muxOut.fs, ...
"lambda_center", lambdaCenterNm, ...
"attenuation", 0, ...
"filtype", 3, ...
"B", 200e9);
out = demux.process(muxOut);
testCase.verifyClass(out, 'cell');
testCase.verifyNumElements(out, 2);
testCase.verifyClass(out{1}, 'Opticalsignal');
testCase.verifyClass(out{2}, 'Opticalsignal');
testCase.verifyEqual(size(out{1}.signal), size(muxOut.signal));
testCase.verifyEqual(size(out{2}.signal), size(muxOut.signal));
testCase.verifyEqual(out{1}.fs, fs);
testCase.verifyEqual(out{2}.fs, fs);
testCase.verifyEqual(out{1}.lambda, muxOut.lambda(1), 'AbsTol', 1e-12);
testCase.verifyEqual(out{2}.lambda, muxOut.lambda(2), 'AbsTol', 1e-12);
end
function roundTripThroughMuxAndDemuxPreservesChannelMagnitudes(testCase)
fs = 16e9;
lambdaCenterNm = 1310;
sigA = makeOpticalSignal(ones(8, 2), fs, 1309.5e-9, 0.0);
mux = Optical_Multiplex( ...
"fs_in", fs, ...
"fs_out", fs, ...
"lambda_center", lambdaCenterNm, ...
"delta_f", 0, ...
"random_key", 0, ...
"attenuation", 0, ...
"filtype", 3, ...
"B", 200e9);
muxOut = mux.process({sigA});
demux = Optical_Demultiplex( ...
"fs_in", muxOut.fs, ...
"fs_out", muxOut.fs, ...
"lambda_center", lambdaCenterNm, ...
"attenuation", 0, ...
"filtype", 3, ...
"B", 200e9);
out = demux.process(muxOut);
testCase.verifyNumElements(out, 1);
testCase.verifyEqual(size(out{1}.signal), size(sigA.signal));
testCase.verifyEqual(out{1}.fs, fs);
testCase.verifyEqual(out{1}.lambda, muxOut.lambda(1), 'AbsTol', 1e-12);
testCase.verifyEqual(mean(abs(out{1}.signal), 'all'), mean(abs(sigA.signal), 'all'), 'AbsTol', 1e-6);
end
end
end
function sig = makeOpticalSignal(signal, fs, lambda, polrot)
base = Signal(signal, "fs", fs);
sig = Opticalsignal( ...
signal, ...
"fs", fs, ...
"logbook", base.logbook, ...
"lambda", lambda, ...
"nase", 0, ...
"polrot", polrot);
end